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C-0001	Communication abnormality between printer control board (PRCB) and PF drive board (PFDB) or LU drive board (LUDB).	Main body stops immediately and main relay (RY1) is turned OFF. Printer control board (PRCB) PF drive board (PFDB) LU drive board (LUDB)
C-0002	Communication abnormality between printer control board (PRCB) and conveyance drive board (CDB).	Printer control board (PRCB) Conveyance drive board (CDB)
C-0003	Communication abnormality between printer control board (PRCB) and conveyance drive board (CDB).	Printer control board (PRCB) Conveyance drive board (CDB)
C-0101	M41 abnormality detection signal was continuously detected for the specified time when the paper feed motor (M41) was ON.	Printer control board (PRCB) Paper feed motor (M41)
C-0102	M101 abnormality detection signal was continuously detected for the specified time when the paper feed motor (M1) was ON.	LU drive board (LUDB) Paper feed motor (M1)
C-0103	M101 abnormality detection signal was continuously detected for the specified time when the paper feed motor (M1) was ON.	PF drive board (PFDB) Paper feed motor (M1)
C-0201	After paper lift motor/1 (M38) turns ON, upper limit sensor/1 (PS30) is not turned ON within specified time.	Main body stops immediately and main relay (RY1) is turned OFF. Printer control board (PRCB) Paper lift motor/1 (M38) Upper limit sensor/1 (PS30)
C-0202	After paper lift motor/2 (M39) turns ON, upper limit sensor/2 (PS36) is not turned ON within specified time.	Printer control board (PRCB) Paper lift motor/2 (M39) Upper limit sensor/2 (PS36)
C-0203	After paper lift motor/3 (M40) turns ON, upper limit sensor/3 (PS42) is not turned ON within specified time.	Printer control board (PRCB) Paper lift motor/3 (M40) Upper limit sensor/3 (PS42)
C-0204	M100 lock signal detected when the paper lift motor (M100) was ON.	LU drive board (LUDB) Paper lift motor (M100)
C-0205	When the upper limit sensor (PS109) or lower limit sensor (PS101) is ON, PS101 or PS109 is not turned ON within the specified time after the paper lift motor (M100) is turned ON.	LU drive board (LUDB) Paper lift motor (M100) Upper limit sensor (PS109) Lower limit sensor (PS101)
C-0208	After paper lift motor/1 (M2) turns ON, upper limit sensor/1 (PS1) is not turned ON within specified time.	PF drive board (PFDB) Paper lift motor/1 (M2) Upper limit sensor/1 (PS1)
C-0209	Power line fuse for paper lift motor/1 (M2) out.	PF drive board (PFDB)
C-0211	After paper lift motor/2 (M3) turns ON, upper limit sensor/2 (PS9) is not turned ON within specified time.	PF drive board (PFDB) Paper lift motor/2 (M3) Upper limit sensor/2 (PS9)
C-0212	Power line fuse for paper lift motor/2 (M3) out.	PF drive board (PFDB)
C-0213	After the paper exit pressure sensor (PS10) turns OFF, it is not turned ON within the specified time.	AC drive board (ACDB) Printer control board (PRCB) Paper exit motor (M54) Paper exit pressure sensor (PS10)
C-0301	M47 abnormality detection signal was continuously detected for the specified time when the main body fan (M47) was ON.	Printer control board (PRCB) main body fan (M47)
C-0302	Any one of the M26, M27, M28 abnormality detection signal was continuously detected for the specified time when the tucking fan/1 (M26), /2(M27) or /3 (M28) was ON.	Main body stops immediately and main relay (RY1) is turned OFF. Printer control board (PRCB) Tucking fan/1 (M26) Tucking fan/2 (M27) Tucking fan/3 (M28)
C-0303	Either one of the M66 abnormality detection signal was continuously detected for the specified time when the ADU fan/1 (M66) was ON.	Conveyance drive board (CDB) ADU fan/1 (M66)
C-0304	While the paper exit fans/1, /2 and /3 (M61, M62 and M63) are turned ON, an error detection signal of either M61, M62 or M63 is detected for the specified period of time in succession.	Printer control board (PRCB) Paper exit fan/1 (M61) Paper exit fan/2 (M62) Paper exit fan/3 (M63)
C-0305	M36 abnormality detection signal was continuously detected for the specified time when the deodorization fan (M36) was ON.	Printer control board (PRCB) Deodorization fan (M36)
C-0306	When the paper feed assist fan/ Rr (M137) was ON, M137 abnormality detection signal was continuously detected for the specified time.	LU drive board (LUDB) Paper feed assist fan/Rr (M137)
C-0307	When the paper feed assist fan/ Fr (FM1) was ON, FM1 abnormality detection signal was continuously detected for the specified time.	LU drive board (LUDB) Paper feed assist fan/Fr (FM1)
C-0308	When the paper feed assist fan/ Fr11 (M136) was ON, FM1 abnormality detection signal was continuously detected for the specified time.	PF drive board (PFDB) Paper feed assist fan/Fr11 (M136)
C-0309	When the paper feed assist fan/ Fr12 (FM3) was ON, FM3 abnormality detection signal was continuously detected for the specified time.	PF drive board (PFDB) Paper feed assist fan/Fr12 (FM3)
C-0310	When the paper feed assist fan/ Rr11 (FM2) was ON, FM2 abnormality detection signal was continuously detected for the specified time.	Main body stops immediately and main relay (RY1) is turned OFF. PF drive board (PFDB) Paper feed assist fan/Rr11 (FM2)
C-0311	When the paper feed assist fan/ Rr12 (FM4) was ON, FM4 abnormality detection signal was continuously detected for the specified time.	PF drive board (PFDB) Paper feed assist fan/Rr12 (FM4)
C-0312	When the paper feed assist fan/ Fr21 (FM5) was ON, FM1 abnormality detection signal was continuously detected for the specified time.	PF drive board (PFDB) Paper feed assist fan/Fr21 (FM5)
C-0313	When the paper feed assist fan/ Fr22 (FM7) was ON, FM7 abnormality detection signal was continuously detected for the specified time.	PF drive board (PFDB) Paper feed assist fan/Fr22 (FM7)
C-0314	When the paper feed assist fan/ Rr21 (FM6) was ON, FM6 abnormality detection signal was continuously detected for the specified time.	PF drive board (PFDB) Paper feed assist fan/Rr21 (FM6)
C-0315	When the paper feed assist fan/ Rr22 (FM8) was ON, FM8 abnormality detection signal was continuously detected for the specified time.	PF drive board (PFDB) Paper feed assist fan/Rr22 (FM8)
C-0316	Either one of the FM11 or FM12 abnormality detection signal was continuously detected for the specified time when the dehumidifier fan/1 (FM11), /2 (FM12) was ON.	PF drive board (PFDB) Dehumidifier fan/1 (FM11) Dehumidifier fan/2 (FM12)
C-0317	Either one of the FM13 or FM14 abnormality detection signal was continuously detected for the specified time when the dehumidifier fan/3 (FM13), /4 (FM14) was ON.	PF drive board (PFDB) Dehumidifier fan/3 (FM13) Dehumidifier fan/4 (FM14)
C-0318	Either one of the FM10 or FM9 abnormality detection signal was continuously detected for the specified time when the ventilation fan/1 (FM10), /2 (FM9) was ON.	Main body stops immediately and main relay (RY1) is turned OFF. PF drive board (PFDB) Ventilation fan/1 (FM10) Ventilation fan/2 (FM9)
C-0320	FM3 abnormality detection signal was continuously detected for the specified time when the dehumidifier fan/1 (FM3) was ON.	LU drive board (LUDB) Dehumidifier fan/1 (FM3)
C-0321	FM4 abnormality detection signal was continuously detected for the specified time when the dehumidifier fan/2 (FM4) was ON.	LU drive board (LUDB) Dehumidifier fan/2 (FM4)
C-0322	M67 abnormality detection signal was continuously detected for the specified time when the ADU fan /2 (M67) was ON.	Conveyance drive board (CDB) ADU fan /2 (M67)
C-0401	24VDC is not supplied to LU.	LU drive board (LUDB) DC power unit/1 (DCPS/1) DC power unit/2 (DCPS/2)
C-0402	12VDC is not supplied to LU.	LU drive board (LUDB) DC power unit/1 (DCPS/1)
C-0403	24VDC is not supplied to PF.	PF drive board (PFDB) DC power unit/1 (DCPS/1)
C-0404	24VDC is not supplied to PF.	PF drive board (PFDB) DC power unit/2 (DCPS/2)
C-0405	12VDC is not supplied to PF.	PF drive board (PFDB) DC power unit/1 (DCPS/1)
C-0406	24VDC is not supplied to PF.	PF drive board (PFDB) AC drive board in PF (ACDB)
C-0407	Temperature sensor/3 (TEMS/3) detected abnormality signal continuously for the specified time.	PF drive board (PFDB) Temperature sensor/3 (TEMS/3)
C-0408	Temperature sensor/4 (TEMS/4) detected abnormality signal continuously for the specified time.	PF drive board (PFDB) Temperature sensor/4 (TEMS/4)
C-0409	Fan heater/Up (HTR3) overheat abnormality. Temperature sensor/3 (TEMS/3) detected temperature abnormality signal continuously for the specified time.	PF drive board (PFDB) AC drive board in PF (ACDB) Fan heater/Up (HTR3) Temperature sensor/3 (TEMS/3)
C-0410	Fan heater/Lw (HTR4) overheat abnormality. Temperature sensor/4 (TEMS/4) detected temperature abnormality signal continuously for the specified time.	Main body stops immediately and main relay (RY1) is turned OFF. PF drive board (PFDB) AC drive board in PF (ACDB) Fan heater /Lw (HTR4) Temperature sensor/4 (TEMS/4)
C-0411	Fan heater/Up (HTR3) low-temperature abnormality. Temperature sensor/3 (TEMS/3) detected temperature abnormality signal continuously for the specified time.	PF drive board (PFDB) AC drive board in PF (ACDB) Fan heater /Up (HTR3) Temperature sensor/3 (TEMS/3)
C-0412	Fan heater/Lw (HTR4) Low-temperature abnormality. Temperature sensor/4 (TEMS/4) detected temperature abnormality signal continuously for the specified time.	PF drive board (PFDB) AC drive board in PF (ACDB) Fan heater/Lw (HTR4) Temperature sensor /4 (TEMS/4)
C-0413	Fan heater/Up (HTR3) rising temperature abnormality. Temperature sensor/3 (TEMS/3) detected temperature does not reach the specified temperature within the specified time.	PF drive board (PFDB) AC drive board in PF (ACDB) Fan heater /Up (HTR3) Temperature sensor/3 (TEMS/3)
C-0414	Fan heater/Lw (HTR4) rising temperature abnormality. Temperature sensor/4 (TEMS/4) detected temperature does not reach the specified temperature within the specified time.	PF drive board (PFDB) AC drive board in PF (ACDB) Fan heater/Lw (HTR4) Temperature sensor/4 (TEMS/4)
C-0415	Temperature sensor (TEMS) detected abnormality signal continuously for the specified time.	LU drive board (LUDB) Temperature sensor (TEMS)
C-0416	Dehumidifier heater/3 (HTR2) overheat abnormality. Temperature sensor (TEMS) detected temperature abnormality signal continuously for the specified time.	LU drive board (LUDB) LUAC drive board (ACDB) Dehumidifier heater /3 (HTR2) Temperature sensor (TEMS)
C-0417	Dehumidifier heater /3 (HTR2) low-temperature abnormality. Temperature sensor (TEMS) detected temperature abnormality signal continuously for the specified time.	Main body stops immediately and main relay (RY1) is turned OFF. LU drive board (LUDB) LUAC drive board (ACDB) Dehumidifier heater /3 (HTR2) Temperature sensor (TEMS)
C-0418	Dehumidifier heater /3 (HTR2) rising temperature abnormality. Temperature sensor (TEMS) detected temperature does not reach the specified temperature within the specified time.
C-1005	Communication abnormality.	Main body and FS stop immediately and main relay (RY1) is turned OFF. Printer control board (PRCB) FNS control board (FNSCB)
C-1006	Communication abnormality.	Main body and FD stop immediately and main relay (RY1) is turned OFF. Printer control board (PRCB) FD control board (FDCB)
C-1007	Communication abnormality.	Main body and SD stop immediately and main relay (RY1) is turned OFF. Printer control board (PRCB) SD control board (SDCB)
C-1008	Communication abnormality.	Main body and RU stop immediately and main relay (RY1) is turned OFF. Printer control board (PRCB) RU control board (RUCB)
C-1009	Communication abnormality between Main CPU in the PB control board (PBCB) and Sub CPU1.	Main body and PB stop immediately and main relay (RY1) is turned OFF. PB control board (PBCB) Control program
C-1010	Communication abnormality between Main CPU in the PB control board (PBCB) and Sub CPU2.	PB control board (PBCB) Control program
C-1011	Paper feed abnormality between the main body and the PB.	PB control board (PBCB) Control program
C-1101	Shift unit does not reach the shift position or the home position within the specified time.	Main body and FS stop immediately and main relay (RY1) is turned OFF. FNS control board (FNSCB) Shift roller Motor (M2) Shift roller home sensor (PS18)
C-1102	The tray up down motor (M3) does not turn OFF after the specified time has passed. Or, the motor was rotating at a speed out of the specified range for over the permitted operating time. After the main tray up down motor (M3) operation is started, the main tray upper limit sensor (PS2) is not turned ON within the specified time.	FNS control board (FNSCB) FNS drive board (FNSDB) Tray up down motor (M3) Tray upper limit sensor (PS2) Tray lower limit sensor (PS3) FNS control board (FNSCB) Main tray up down motor (M3) Main tray upper limit sensor (PS2)
C-1103	After the alignment motors/Rr (M5), /Fr (M22) home position search operation started, the alignment home sensors/Rr (PS8) and /Fr (PS31) are not turned ON within the specified time. After the alignment motor /Up (M5) operation is started, the alignment home sensor /Up (PS8) is not turned ON/OFF within the specified time.	FNS control board (FNSCB) FNS drive board (FNSDB) Alignment motor /Rr (M5) Alignment motor /Fr (M22) Alignment Home Sensor /Rr (PS8) Alignment Home Sensor /Fr (PS31) FNS control board (FNSCB) Alignment motor /Up (M5) Alignment home Sensor /Up (PS8)
C-1104	Main tray exit motor (M7) was rotating at a speed out of the specified range for over the permitted operating time. After the paper exit roller motor (M7) operation is started, the motor speed does not reach the prescribed speed within the specified time.	FNS control board (FNSCB) FNS drive board (FNSDB) Main tray exit motor (M7) FNS control board (FNSCB) Paper exit roller motor (M7)
C-1105	After the paper exit opening motor (M8) operation is started, the paper exit opening unit does not reach the specified opening position within the specified time. After the paper exit opening motor (M8) operation is started, the paper exit home sensor (PS12) is not turned ON/OFF within the specified time.	FNS control board (FNSCB) FNS drive board (FNSDB) Paper exit opening motor (M8) Paper exit opening sensor (PS12) Main body and FS stop immediately and main relay (RY1) is turned OFF. FNS control board (FNSCB) Paper exit opening motor (M8) Paper exit home sensor (PS12)
C-1106	After stapler movement motor (M11) home position search operation started, the stapler movement home sensor (PS11) are not turned ON within the specified time After the stapler movement motor (M11) operation is started, the Stapler movement home sensor (PS11) is not turned ON/ OFF within the specified time.	FNS control board (FNSCB) FNS drive board (FNSDB) Stapler movement motor (M11) Stapler movement home sensor (PS11) FNS control board (FNSCB) Stapler movement motor (M11) Stapler movement home sensor (PS11)
C-1107	After the stapler rotation motor (M4) home position search operation started, the stapler rotation home sensor (PS14) are not turned ON within the specified time. After the clincher rotation motor (M4) operation is started, the clincher rotation home sensor (PS14) is not turned ON/OFF within the specified time.	FNS control board (FNSCB) FNS drive board (FNSDB) Stapler rotation motor (M4) Stapler rotation home sensor (PS14) FNS control board (FNSCB) Clincher rotation motor (M4) Clincher rotation home sensor (PS14)
C-1108	After the stapler rotation motor (M4) home position search operation started, the stapler rotation home sensor (PS14) are not turned ON within the specified time. After stapler rotation motor (M6) operation is started, the stapler rotation home sensor (PS13) are not turned ON/OFF within the specified time.	FNS control board (FNSCB) FNS drive board (FNSDB) Stapler rotation motor (M4) Stapler rotation home sensor (PS14) FNS control board (FNSCB) Stapler rotation motor (M6) Stapler rotation home sensor (PS13)
C-1109	After the stapler motor /Fr (M31) operation is started, the stapler home sensor/Fr (PS41) is not turned ON within the specified time. After the stapler motor /Fr (M14) operation is started, the stapler motor home sensor /Fr (PS31) is not turned ON within the specified time.	FNS control board (FNSCB) FNS drive board (FNSDB) Stapler board (STB) Stapler motor/Fr (M31) Stapler home sensor /Fr (PS41) Main body and FS stop immediately and main relay (RY1) is turned OFF. FNS control board (FNSCB) Stapler motor /Fr (M14) Stapler motor home sensor / Fr (PS31)
C-1110	After the stapler motor/Rr (M30) operation is started, the operation is not completed within the specified time and the stapler home sensor/Rr (PS40) is not turned ON After the stapler motor /Rr (M9) operation is started, the stapler motor home sensor /Rr (PS30) is not turned ON within the specified time.	FNS control board (FNSCB) FNS drive board (FNSDB) Stapler board (STB) Stapler motor /Rr (M30) Stapler home sensor /Rr (PS40) FNS control board (FNSCB) Stapler motor /Rr (M9) Stapler motor home sensor / Rr (PS30)
C-1111	After the clincher motor /Fr (M15) operation is started, the clincher motor home sensor /Fr (PS33) is not turned ON within the specified time.	FNS control board (FNSCB) Clincher motor /Fr (M15) Clincher motor home sensor /Fr (PS33)
C-1112	After the clincher motor /Rr (M10) operation is started, the clincher motor home sensor /Rr (PS32) is not turned ON within the specified time.	FNS control board (FNSCB) Clincher motor /Rr (M10) Clincher motor home sensor /Rr (PS32)
C-1113	After the rear stopper motor (M26) home position search operation started, the rear stopper home sensor (PS35) are not turned ON within the specified time. After the saddle stitching stopper motor (M18) operation is started, the saddle stitching stopper home sensor (PS23) is not turned ON within the specified time.	FNS control board (FNSCB) FNS drive board (FNSDB) Rear stopper motor (M26) Rear stopper home sensor (PS35) FNS control board (FNSCB) Saddle stitching stopper motor (M18) Saddle stitching stopper home sensor (PS23)
C-1114	After the alignment motor /Lw (M16) operation is started, the alignment home sensor /Lw (PS24) is not turned ON within the specified time.	FNS control board (FNSCB) Alignment motor /Lw (M16) Alignment home sensor /Lw (PS24)
C-1115	After the folding knife motor (M19) operation is started, the Folding knife home sensor (PS22) is not turned ON within the specified time.	FNS control board (FNSCB) Folding knife motor (M19) Folding knife home sensor (PS22)
C-1116	After the folding transfer motor (M20) operation is started, the motor speed does not reach the prescribed speed within the specified time.	Main body and FS stop immediately and main relay (RY1) is turned OFF. FNS control board (FNSCB) Folding transfer motor (M20)
C-1124	After the tray lift motor /Lw (M202) operation is started, the tray upper limit sensor /Lw (PS209) or tray lower limit sensor /Lw (PS210) is not turned ON within the specified time.	FNS control board (FNSCB) PI drive board (PIDB) Tray lift motor /Lw (M202) Tray upper limit sensor /Lw (PS209) Tray lower limit sensor /Lw (PS210)
C-1125	After tray lift motor /Up (M201) operation is started, the tray upper limit sensor /Up (PS204) or tray lower limit sensor /Up (PS205) is not turned ON within the specified time.	FNS control board (FNSCB) PI drive board (PIDB) Tray lift motor /Up (M201) Tray upper limit sensor /Up (PS204) Tray lower limit sensor /Up (PS205)
C-1126	After the PI conveyance motor (M203) operation is started, the motor speed does not reach the prescribed speed within the specified time.	FNS control board (FNSCB) PI drive board (PIDB) PI conveyance motor (M203)
C-1127	After punch shift motor (M302) operation is started, the punch shift home sensor (PS303) is not turned ON within the specified time.	FNS control board (FNSCB) Punch drive board (PDB) Punch shift motor (M302) Punch shift home sensor (PS303)
C-1132	After punch motor (M301) operation is started, the punch home sensor (PS301) is not turned ON within the specified time.	FNS control board (FNSCB) Punch drive boar (PDB) Punch motor (M301) Punch home sensor (PS301)
C-1137	After gate motor (M12) operation is started, the Gate home sensor (PS16) is not turned ON within the specified time.	Main body and FS stop immediately and main relay (RY1) is turned OFF. FNS control board (FNSCB) Gate motor (M12) Gate home sensor (PS16)
C-1138	After the paper exit roller motor (M7) operation is started, the operation is not completed within the specified time and the paper exit belt home sensor (PS9) is not turned ON . Or the motor was rotating at a speed out of specified range for over the permitted operating time.	FNS control board (FNSCB) Paper exit roller motor (M7) Paper exit belt home sensor (PS9)
C-1140	After the Paper exit arm motor (M23) operation is started, the operation is not completed within the specified time and the paper exit arm home sensor (PS9) is not turned ON . Or the motor was rotating at a speed out of specified range for over the permitted operating time.	FNS control board (FNSCB) FNS drive board (FNSDB) Paper exit arm motor (M23) Paper exit arm home sensor (PS9)
C-1141	After the stacker entrance sensor (PS5) operation is started, paddle motor (M2) is not turned ON within the specified time. Or the stapler motor /Fr (M31), / Rr (M30) operation is started, M2 is not turned OFF within the specified time.	FNS control board (FNSCB) FNS drive board (FNSDB) Paddle motor (M2)
C-1142	The Intermediate roller release solenoid (SD7) operation is not started after pressing start button. After the alignment motors / Fr (M22), /Rr (M5) are turned OFF, SD7 is not turned OFF within the specified time. Or after SD7 is turned OFF, it is not s not turned ON within the specified time.	FNS control board (FNSCB) FNS drive board (FNSDB) Intermediate roller release solenoid (SD7)
C-1143	The FNS conveyance motor (M1) operation is not started after pressing start button. Or the FNS conveyance motor (M1) does not shift the speed for each processing.	Main body and FS stop immediately and main relay (RY1) is turned OFF. FNS control board (FNSCB) FNS conveyance motor (M1) Main body paper exit sensor (PS37) FNS entrance sensor (PS4)
C-1201	After stacker tray up down motor (M1) turns ON, stacker tray encoder sensor (PS2) is not turned ON within the specified time. Otherwise the initial operation or the stacker tray up/down operation is not complete within the specified time.	Main body and LS stop immediately and main relay (RY1) is turned OFF. Stacker tray up down motor (M1) LS control board (LSCB)
C-1202	After shift unit motor (M5) turns ON, shift unit home sensor (PS11) is not turned OFF within the specified time. Otherwise PS11 is not turned ON within the specified time.	Shift unit motor (M5) LS control board (LSCB)
C-1203	After alignment motor (M7) turns ON, alignment plate home sensor (PS12) is not turned OFF within the specified time. Otherwise PS12 is not turned ON within the specified time.	Alignment motor (M7) LS control board (LSCB)
C-1204	After the grip conveyance motor (M4) turns ON, grip conveyance sensor (PS5) is not turned ON within the specified time.	Grip conveyance motor (M4)
C-1205	When the stacker tray up down motor (M1) up is ON, stacker tray upper limit switch (MS2) is ON.	Stacker tray up down motor (M1) Stacker tray upper limit switch (MS2)
C-1206	When the stacker tray up down motor (M1) down is ON, stacker tray lower limit switch (MS3) is ON.	Stacker tray up down motor (M1) Stacker tray lower limit switch (MS3)
C-1211	After stacker tray up down motor (M1) turns ON, stacker tray encoder sensor (PS2) is not turned ON within the specified time. Otherwise the initial operation or the stacker tray up/down operation is not complete within the specified time.	Stacker tray up down motor (M1) LS control board (LSCB)
C-1212	After shift unit motor (M5) turns ON, shift unit home sensor (PS11) is not turned OFF within the specified time. Otherwise PS11 is not turned ON within the specified time.	Main body and LS stop immediately and main relay (RY1) is turned OFF. Shift unit motor (M5) LS control board (LSCB)
C-1213	After alignment motor (M7) turns ON, alignment plate home sensor (PS12) is not turned OFF within the specified time. Otherwise PS12 is not turned ON within the specified time.	Alignment motor (M7) LS control board (LSCB)
C-1214	After the grip conveyance motor (M4) turns ON, grip conveyance sensor (PS5) is not turned ON within the specified time.	Grip conveyance motor (M4)
C-1215	When the stacker tray up down motor (M1) up is ON, stacker tray upper limit switch (MS2) is ON.	Stacker tray up down motor (M1) Stacker tray upper limit switch (MS2)
C-1216	When the stacker tray up down motor (M1) down is ON, stacker tray lower limit switch (MS3) is ON.	Stacker tray up down motor (M1) Stacker tray lower limit switch (MS3)
C-1221	After the 1st folding release motor (M14) turns ON, 1st folding cam home sensor (PS55) is not turned ON within the specified time.	Main body and FD stop immediately and main relay (RY1) is turned OFF. 1st folding release motor (M14) Fold drive board (FDB) 1st folding cam home sensor (PS55)
C-1222	After the 2nd folding release motor (M15) turns ON, 2nd folding cam home sensor (PS56) is not turned ON within the specified time.	2nd folding release motor (M15) Fold drive board (FDB) 2nd folding cam home sensor (PS56)
C-1223	After the 3rd folding releasie motor (M16) turns ON, 3rd folding cam home sensor (PS57) is not turned ON within the specified time.	3rd folding release motor (M16) Folding drive board (FDB) 3rd folding cam home sensor (PS57)
C-1224	After two holes punch home position recovery operation started, 2 holes punch home sensor (PS8) is not turned OFF within the specified time. Otherwise, after punch motor (M10) turns ON, 2 holes punch home sensor (PS8) is not turned OFF.	Main body and FD stop immediately and main relay (RY1) is turned OFF. Punch motor (M10) Punch drive board (PDB) 2 holes punch home sensor (PS8)
C-1225	After 3 holes/4 holes punch home position recovery operation started, 3 holes/4 holes punch home sensor (PS9) is not turned OFF within the specified time. Otherwise, after punch motor (M10) turns ON, 3 holes/4 holes punch home sensor (PS9) is not turned OFF.	Punch motor (M10) Punch drive board (PDB) 3 holes/4 holes punch home sensor (PS9)
C-1226	After the alignment home position recovery operation started, alignment plate home sensor (PS10) is not turned ON within the specified time. Otherwise, after alignment motor (M12) turns ON, alignment plate home sensor (PS10) is not turned OFF.	Alignment motor (M12) Punch drive board (PDB) Alignment plate home sensor (PS10)
C-1227	After the punch registration tab home position recovery operation started, punch registration home sensor (PS11) is not turned ON within the specified time. Otherwise, after punch registration motor (M13) turns ON, punch registration home sensor (PS11) is not turned OFF.	Punch registration motor (M13) Punch drive board (PDB) Punch registration home sensor (PS11)
C-1228	After main tray home position search started, main tray upper limit sensor (PS20) is not turned ON within the specified time. Otherwise, after tray up down motor (M11) turns ON, main tray upper limit sensor (PS20) is not turned OFF.	Tray up down motor (M11) Main tray upper limit sensor (PS20) Punch drive board (PDB)
C-1229	After the tray up down motor (M11) was turned ON, main tray lower limit sensor (PS22) is not turned ON within the specified time.	Tray up down motor (M11) Punch drive board (PDB) Main tray lower limit sensor (PS22)
C-1230	After lowering FD paper lift motor/Up (M8) turns ON, PI lift plate home sensor/Up (PS34) is not turned ON within the specified time. Otherwise, after rising paper lift motor/Up (M8) turns ON, PI tray upper limit sensor/ Up (PS32) is not turned ON within the specified time.	Main body and FD stop immediately and main relay (RY1) is turned OFF. Paper lift motor/Up (M8) PI drive board (PIDB) PI lift plate home sensor/Up (PS34) PI tray upper limit sensor/Up (PS32)
C-1231	After lowering FD paper lift motor/Lw (M9) turns ON, PI lift plate home sensor/Lw (PS40) is not turned ON within the specified time. Otherwise, after rising paper lift motor/Lw (M9) turns ON, PI tray upper limit sensor/ Lw (PS38) is not turned ON within the specified time.	Paper lift motor/Lw (M9) PI drive board (PIDB) PI lift plate home sensor/Lw (PS40) PI tray upper limit sensor/Lw (PS3
C-1232	M1 abnormality detection signal was continuously detected for the specified time when the entrance conveyance motor (M1) was ON.	Entrance conveyance motor (M1) Punch drive board (PDB)
C-1233	M3 abnormality detection signal was continuously detected for the specified time when the intermediate conveyance motor (M3) was ON.	Intermediate conveyance motor (M3) Punch drive board (PDB)
C-1234	M7 abnormality detection signal was continuously detected for the specified time when the PI conveyance motor (M7) was ON.	PI Conveyance motor (M7) PI drive board (PIDB)
C-1235	M17 abnormality detection signal was continuously detected for the specified time when the main tray paper exit motor (M17) was ON.	Main tray paper exit motor (M17) Punch drive board (PDB)
C-1241	After budle exit drive motor (M5) home position search operation started, scraps press home sensor (PS48) is not turned ON after specified time passed.	Main body and SD stops immediately and main relay (RY1) is turned OFF. Bundle exit motor (M5) Scraps press home sensor (PS48) SD control board (SDCB) SD drive board (SDDB)
C-1242	After folding main scan alignment motor/Fr (M7) home position search operation started, folding main scan alignment home sensor/Fr1 (PS18) is not turned ON within the specified time. Otherwise, operation not complete after M7 operation started and specified time has passed.	Main body and SD stops immediately and main relay (RY1) is turned OFF. Folding main scan alignment motor/Fr (M7) Folding main scan alignment home sensor /Fr1 (PS18) SD control board (SDCB) SD drive board (SDDB)
C-1243	After folding sub scan alignment motor (M8) home position search operation started, folding exit home sensor (PS24) is not turned ON after the specified time has passed. Otherwise, operation not complete after M8 speed down operation started and specified time has passed.	Folding sub scan alignment exit motor (M8) Folding exit home sensor (PS24) SD control board (SDCB) SD drive board (SDDB)
C-1244	After saddle stitching alignment motor/Rt (M9) home position search operation started, saddle stitching alignment home sensor/Rt (PS28) is not turned ON after specified time has passed. Otherwise, operation not complete after M9 operation started and specified time has passed.	Saddle stitching alignment motor/Rt (M9) Saddle stitching alignment home sensor/Rt (PS28) SD control board (SDCB) SD drive board (SDDB)
C-1245	After bundle arm motor (M10) home position search operation started, bundle arm home sensor (PS32) is not turned ON after the specified time has passed. Otherwise, operation not complete after M10 operation started and specified time has passed.	Bundle arm motor (M10) Bundle arm home sensor (PS32) SD control board (SDCB) SD drive board (SDDB)
C-1246	After bundle clip motor (M11) home position search operation started, bundle clip upper limit sensor (PS33) is not turned ON after the specified time has passed. Otherwise, operation not complete after M11 operation started and specified time has passed.	Bundle clip motor (M11) Bundle clip upper limit sensor (PS33) Bundle clip lower limit sensor (PS30) SD control board (SDCB) SD drive board (SDDB)
C-1247	After bundle registration motor (M12) home position search operation started, bundle registration home sensor (PS34) is not turned ON after the specified time has passed. Otherwise, operation not complete after M12 operation started and specified time has passed.	Main body and SD stop immediately and main relay (RY1) is turned OFF. Bundle registration motor (M12) Bundle registration home sensor (PS34) SD control board (SDCB) SD drive board (SDDB)
C-1248	After overlap motor (M13) home position search operation started, overlap home sensor (PS17) is not turned ON after the specified time has passed. Otherwise, operation not complete after M13 operation started and specified time has passed.	Overlap motor (M13) Overlap home sensor (PS17) SD control board (SDCB) SD drive board (SDDB)
C-1249	After folding main scan alignment motor/Rr (M14) home position search operation started, folding main scan alignment home sensor/Rr (PS19) is not turned ON after the specified time has passed. Otherwise, operation not complete after M14 operation started and specified time has passed.	Folding main scan alignment motor/Rr (M14) Folding main scan alignment home sensor/Rr (PS19) SD control board (SDCB) SD drive board (SDDB)
C-1250	After the stapler movement motor (M15) home position search operation started, the stapler movement home sensor (PS25) is not turned ON after the specified time has passed. Otherwise, operation not complete after M15 operation started and specified time has passed.	Stapler movement motor (M15) Stapler movement home sensor (PS25) SD control board (SDCB) SD drive board (SDDB)
C-1251	After saddle stitching alignment motor/Lt (M16) home position search operation started, saddle stitching alignment home sensor/Lt (PS29) is not turned ON after specified time has passed. Otherwise, operation not complete after M16 operation started and specified time has passed.	Saddle stitching alignment motor/Lt (M16) Saddle stitching alignment home sensor/Lt (PS29) SD control board (SDCB) SD drive board (SDDB)
C-1252	After the bundle press movement motor (M17) home position search operation started, the bundle press movement home sensor (PS36) is not turned ON after the specified time has passed. Otherwise, operation not complete after M17 operation started and specified time has passed.	Main body and SD stop immediately and main relay (RY1) is turned OFF. Bundle press movement motor (M17) Bundle press movement home sensor (PS36) SD control board (SDCB) SD drive board (SDDB)
C-1253	After 1st folding blade motor (M18) home position search operation started, 1st folding blade home sensor/2 (PS21) is not turned ON after the specified time has passed. Otherwise, operation not complete after M18 operation started and specified time has passed. PS20 is not turned ON.	1st folding blade motor (M18) 1st folding blade home sensor/ 1 (PS20), /2 (PS21) SD control board (SDCB) SD drive board (SDDB)
C-1254	After 2nd folding blade motor (M19) home position search operation started, 2nd folding blade home sensor/2 (PS23) is not turned ON after the specified time has passed. Otherwise, operation not complete after M19 operation started and specified time has passed. PS22 is not turned ON.	2nd folding blade motor (M19) 2nd folding blade home sensor/ 2 (PS22), /2 (PS23) SD control board (SDCB) SD drive board (SDDB)
C-1255	After the clincher up down motor (M20) home position search operation started, the clincher up down home sensor (PS26) is not turned ON after the specified time has passed. Otherwise, operation not complete after M20 operation started and specified time has passed.	Clincher up down motor (M20) Clincher up down home sensor (PS26) SD control board (SDCB) SD drive board (SDDB)
C-1256	After saddle stitching press motor (M21) home position search operation started, saddle stitching press home sensor (PS27) is not turned ON after specified time has passed. Otherwise, operation not complete after M21 operation started and specified time has passed.	Main body and SD stop immediately and main relay (RY1) is turned OFF. Saddle stitching press motor (M21) Saddle stitching press home sensor (PS27) SD control board (SDCB) SD drive board (SDDB)
C-1257	After the bundle arm rotation motor (M22) home position search operation started, the bundle arm rotation home sensor (PS31) is not turned ON after the specified time has passed. Otherwise, operation not complete after M22 operation started and specified time has passed.	Bundle arm rotation motor (M22) Bundle arm rotation home sensor (PS31) SD control board (SDCB) SD drive board (SDDB)
C-1258	After bundle press motor (M23) home position search operation started, bundle press home sensor (PS37) is not turned ON after the specified time has passed. Otherwise, operation not complete after M23 operation started and specified time has passed.	Bundle press motor (M23) Bundle press home sensor (PS37) Bundle press lower limit sensor (PS47) SD control board (SDCB) SD drive board (SDDB)
C-1259	After the bundle press stage up down motor (M24) home position search operation started, the bundle stage up down home sensor (PS35) is not turned ON after the specified time has passed. Otherwise, after M24 operation started, PS35 or bundle press stage up down upper limit sensor (PS45) is not turned ON after the specified time has passed.	Bundle press stage up down motor (M24) Bundle press stage up down home sensor (PS35) Bundle press stage up down upper limit sensor (PS45) SD control board (SDCB) SD drive board (SDDB)
C-1260	After the guide shaft motor (M25) home position search operation started, the guide shaft home sensor (PS46) is not turned ON after the specified time has passed. Otherwise, operation not complete after M25 operation started and specified time has passed.	Guide shaft motor (M25) Guide shaft home sensor (PS46) SD control board (SDCB) SD drive board (SDDB)
C-1261	After stapler motor/Rt (M29) operation started, stapler home sensor/Rt (HS1) or clincher start sensor/Rt (HS2) is not turned ON after specified time has passed.	Main body and SD stop immediately and main relay (RY1) is turned OFF. Stapler section/Rt SD control board (SDCB) SD drive board (SDDB)
C-1262	After stapler motor/Lt (M30) operation started, stapler home sensor/Lt (HS3) or clincher start sensor/Lt (HS4) is not turned ON after specified time has passed.	Stapler section/Lt SD control board (SDCB) SD drive board (SDDB)
C-1263	Operation not complete after trimmer blade motor (M31) operation started and specified time has passed. An error detection signal is detected for a specified period of time in succession while the trimmer paddle motor (M33) is ON.	Trimmer blade motor (M31) Trimmer paddle motor (M33) Trimmer blade home sensor (PS50) Trimmer blade upper limit sensor (PS51) SD control board (SDCB) SD drive board (SDDB)
C-1264	Operation not complete after trimmer press motor (M32) operation started and specified time has passed.	Trimmer press motor (M32) Trimmer press home sensor (PS53) Trimmer press upper limit sensor (PS52) SD control board (SDCB) SD drive board (SDDB)
C-1265	Operation not complete after bundle arm assist motor (M26) operation started and specified time has passed.	Bundle arm assist motor (M26) Bundle arm assist home sensor (PS38) Bundle arm assist upper limit sensor (PS39) SD control board (SDCB) SD drive board (SDDB)
C-1266	Rotation abnormality detected continuously for the specified time during entrance conveyance motor (M1) operation.	Entrance conveyance motor (M1) SD control board (SDCB) SD drive board (SDDB)
C-1267	Rotation abnormality detected continuously for the specified time during horizontal conveyance motor (M2) operation.	Horizontal conveyance motor (M2) SD control board (SDCB) SD drive board (SDDB)
C-1268	Rotation abnormality detected continuously for the specified time during folding entrance motor (M3) operation.	Main body and SD stop immediately and main relay (RY1) is turned OFF. Folding entrance motor (M3) SD control board (SDCB) SD drive board (SDDB)
C-1269	Rotation abnormality detected continuously for the specified time during folding conveyance motor (M4) operation.	Folding conveyance motor (M4) SD control board (SDCB) SD drive board (SDDB)
C-1270	Rotation abnormality detected continuously for the specified time during bundle exit motor (M5) operation.	Bundle exit motor (M5) SD control board (SDCB) SD drive board (SDDB)
C-1271	Rotation abnormality detected continuously for the specified time during folding sub scan alignment exit motor (M8) operation.	Folding sub scan alignment exit motor (M8) SD control board (SDCB) SD drive board (SDDB)
C-1301	FM1 abnormality detection signal was continuously detected for the specified time when the paper cooling fan motor/Fr (FM1) was ON.	Main body and LS stop immediately and main relay (RY1) is turned OFF. Paper cooling fan motor/Fr (FM1) LS control board (LSCB)
C-1302	FM2 abnormality detection signal was continuously detected for the specified time when the paper cooling fan motor/1 (FM2) was ON.	Paper cooling fan motor/1 (FM2) LS control board (LSCB)
C-1303	FM3 abnormality detection signal was continuously detected for the specified time when the paper cooling fan motor/Mi (FM3) was ON.	Paper cooling fan motor/Mi (FM3) LS control board (LSCB)
C-1304	FM4 abnormality detection signal was continuously detected for the specified time when the motor cooling fan motor (FM4) was ON.	Motor cooling fan motor (FM4) LS control board (LSCB)
C-1305	FM5 abnormality detection signal was continuously detected for the specified time when the paper cooling fan motor/Rr (FM5) was ON.	Paper cooling fan motor/Rr (FM5) LS control board (LSCB)
C-1306	FM1 abnormality detection signal was continuously detected for the specified time when the paper cooling fan motor/Fr (FM1) was ON.	Main body and LS stop immediately and main relay (RY1) is turned OFF Paper cooling fan motor/Fr (FM1) LS control board (LSCB)
C-1307	FM2 abnormality detection signal was continuously detected for the specified time when the paper cooling fan motor/1 (FM2) was ON.	Paper cooling fan motor/1 (FM2) LS control board (LSCB)
C-1308	FM3 abnormality detection signal was continuously detected for the specified time when the paper cooling fan motor/Mi (FM3) was ON.	Paper cooling fan motor/Mi (FM3) LS control board (LSCB)
C-1309	FM4 abnormality detection signal was continuously detected for the specified time when the motor cooling fan motor (FM4) was ON.	Motor cooling fan motor (FM4) LS control board (LSCB)
C-1310	FM5 abnormality detection signal was continuously detected for the specified time when the paper cooling fan motor/Rr (FM5) was ON.	Paper cooling fan motor/Rr (FM5) LS control board (LSCB)
C-1311	Rotation abnormality detected continuously for the specified time during starting operation of scrap removal fan motor (FM1), even after restarting (retry) it will not detect correctly (starting it number of times specified will still not detect correctly). Otherwise, rotation abnormality detected during start up, even after restarting (retry) it will not detect correctly (starting it number of times after the abnormality detected will still not detect correctly).	Rotation abnormality detected continuously for the specified time during starting operation of scrap removal fan motor (FM1), even after restarting (retry) it will not detect correctly (starting it number of times specified will still not detect correctly). Otherwise, rotation abnormality detected during start up, even after restarting (retry) it will not detect correctly (starting it number of times after the abnormality detected will still not detect correctly). Scrap removal fan motor (FM1) SD control board (SDCB) SD drive board (SDDB)
C-1321	M2 abnormality detection signal was continuously detected for the specified time when the paper fan/1 (M2) was ON.	Main body and RU stop immediately and main relay (RY1) is turned OFF. RU control board (RUCB) Paper fan /1 (M2)
C-1322	M3 abnormality detection signal was continuously detected for the specified time when the paper fan/2 (M3) was ON.	Main body and RU stop immediately and main relay (RY1) is turned OFF. RU control board (RUCB) Paper fan /2 (M3)
C-1323	M4 abnormality detection signal was continuously detected for the specified time when the paper fan/3 (M4) was ON.	RU control board (RUCB) Paper fan /3 (M4)
C-1324	M6 abnormality detection signal was continuously detected for the specified time when the ventilation assist fan/1 (M6) was ON.	RU control board (RUCB) Ventilation assist fan /1 (M6)
C-1325	M7 abnormality detection signal was continuously detected for the specified time when the ventilation assist fan/2 (M7) was ON.	RU control board (RUCB) Ventilation assist fan /2 (M7)
C-1330	An error detection signal is detected continuously for specified time period while the cover paper tray fan/1 (M71) is started or driving.	Main body and PB stop immediately and main relay (RY1) is turned OFF. PB control board (PBCB) PB drive board (PBDB) Cover paper tray fan /1 (M71)
C-1331	An error detection signal is detected continuously for specified time period while the cover paper tray fan/2 (M72) is started or driving.	PB control board (PBCB) PB drive board (PBDB) Cover paper tray fan /2 (M72)
C-1332	An error detection signal is detected continuously for specified time period while the ventilation fan/1 (M80), /2 (M81) is started of driving.	PB control board (PBCB) PB drive board (PBDB) Exhaust fan /1 (M80) Exhaust fan /2 (M81)
C-1333	Abnormal rotation of the exhaust fan/2 (M81) on start-up does not recover by reboot. Abnormal rotation of the exhaust fan/2 (M81) during M81 is on does not recover by reboot.	AC drive board (ACDB) PB control board (PBCB) PB drive board (PBDB) Exhaust fan /2 (M81)
C-1334	Abnormal rotation of the pellet cooler fan (M4) on start-up does not recover by reboot. Abnormal rotation of the pellet cooler fan (M4) during M4 is on does not recover by reboot.	AC drive board (ACDB) PB control board (PBCB) PB drive board (PBDB) Pellet supply cooling fan motor (M4)
C-1402	Non-volatile memory error.	Main body and FS stop immediately and main relay (RY1) is turned OFF. FNS control board (FNSCB) FNS control board (FNSCB)
C-1403	Non-volatile memory error.	Main body and FD stop immediately and main relay (RY1) is turned OFF. FD control board (FDCB)
C-1404	Non-volatile memory error.	Main body and SD stop immediately and main relay (RY1) is turned OFF. SD control board (SDCB)
C-1405	Non-volatile memory error.	Main body and RU stop immediately and main relay (RY1) is turned OFF. RU control board (RUCB)
C-1411	SD drive board (SDDB) 5V error.	Main body and SD stop immediately and main relay (RY1) is turned OFF. SD drive board (SDDB)
C-1431	FS received operation start from the main body when unready.	Main body and FS stop immediately and main relay (RY1) is turned OFF. Software bug.
C-1432	FD received operation start from the main body when unready.	Main body and FD stop immediately and main relay (RY1) is turned OFF. Software bug.
C-1433	SD received operation start from the main body when unready.	Main body and SD stop immediately and main relay (RY1) is turned OFF. Software bug.
C-1434	RU received operation start from the main body when unready.	Main body and RU stop immediately and main relay (RY1) is turned OFF. Software bug.
C-1406	Non-volatile memory error in the PB control board (PBCB).	Main body and PB stop immediately to turn OFF the main relay (RL1). PB control board (PBCB) Control program
C-1435	Message queue full or the control abnormality of Sub CPU1 in the PB control board (PBCB).	PB control board (PBCB) Control program
C-1436	Message queue full or the control abnormality of Sub CPU2 in the PB control board (PBCB).	PB control board (PBCB) Control program
C-1437	Message queue of the communication among tasks in the PB is full.	Control program
C-1454	PB operation prohibition abnormality. PB received operation start signal from the main body when the PB is unready.	Control program
C-1451	Communication abnormality in the FD.	Main body and FD stop immediately and main relay (RY1) is turned OFF. Software bug.
C-1452	Communication abnormality in the SD.	Main body and SD stop immediately and main relay (RY1) is turned OFF. Software bug.
C-1453	Communication abnormality in the RU.	Main body and RU stop immediately and main relay (RY1) is turned OFF. Software bug.
C-1501	After the main CPU in the PB control board (PBCB) sends an entrance conveyance start signal to the sub CPU, a signal to notify the completion of the procvess is not returned to the main CPU within a specified time period.	Main body and PB stop immediately and main relay (RY1) is turned OFF. PB control board (PBCB) PB drive board (PBDB) Entrance conveyance motor (M1)
C-1502	An error detection signal is detected continuously for a specified time period while the intermediate conveyance motor (M2) is	PB control board (PBCB) PB drive board (PBDB) Intermediate conveyance motor (M2)
C-1504	After the main CPU on the PB control board (PBCB) sends a SC entrance conveyance start signal to the sub CPU, a signal to notify the completion of the process is not returned to the main CPU within a specified time period.	PB control board (PBCB) PB drive board (PBDB) SC entrance conveyance motor (M11)
C-1505	After the main CPU on the PB control board (PBCB) sends a SC switchback conveyance start signal to the sub CPU, a signal to notify the completion of the process is not returned to the main CPU within a specified time period.	PB control board (PBCB) PB drive board (PBDB) SC switchback conveyance motor (M12)
C-1506	The switchback roller release operation has not completed within a specified time period after the SC switchback release motor (M13) turns ON.	PB control board (PBCB) PB drive board (PBDB) SC switchback release motor (M13)
C-1507	After the main CPU on the PB control board (PBCB) sends an SC alignment start signal to the sub CPU, a signal to notify the completion of the process is not returned to the main CPU within a specified time period.	PB control board (PBCB) PB drive board (PBDB) SC alignment motor (M15)
C-1508	After the main CPU on the PB control board (PBCB) sends an SC pages conveyance start signal to the sub CPU, a signal to notify the completion of the process is not returned to the main CPU within a specified time period.	Main body and PB stop immediately and main relay (RY1) is turned OFF. PB control board (PBCB) PB drive board (PBDB) SC bundle conveynace motor (M17)
C-1509	The SC roller release operation has not completed within a specified time period after the SC roller release motor (M18) turns ON.	PB control board (PBCB) PB drive board (PBDB) SC roller release motor (M18)
C-1510	The movement of the SC entrance has not completed within a specified time period after the clamp entrance movement motor (M19) turns ON.	PB control board (PBCB) PB drive board (PBDB) Clamp entranse movement motor (M19)
C-1511	The SC entrance roller release operation has not completed within a specified time period after the clamp entrance roller release motor (M20) turns ON	PB control board (PBCB) PB drive board (PBDB) Clamp entranse roller release motor (M20)
C-1512	After clamp alignment motor (M21) turns on, the alignment operation is not complete within the specified time.	PB control board (PBCB) PB drive board (PBDB) Clamp alignment motor (M21)
C-1513	After clamp motor (M22) turns on, the open/close process of the clamp section is not complete within the specified time.	PB control board (PBCB) PB drive board (PBDB) Clamp motor (M22)
C-1514	The rotation of the clamp section has not completed within a specified time period after the clamp rotation motor (M23) turns ON.	PB control board (PBCB) PB drive board (PBDB) Clamp rotation motor (M23)
C-1515	The movement of the glue tank has not completed within a specified time period after the glue tank movement motor (M31) turns ON.	PB control board (PBCB) PB drive board (PBDB) Glue tank movement motor (M31)
C-1516	An error detection signal is detected continuously for a specified time period while the glue apply roller motor (M32) is driving.	PB control board (PBCB) PB drive board (PBDB) Glue apply roller motor (M32)
C-1517	The count of a specified number of pellets, which is counted by the pellet count sensor (PS37), has not been reached after the pellet supply motor (M33) turns ON. The status was detected by a specified number of times in succession.	Main body and PB stop immediately and main relay (RY1) is turned OFF. PB control board (PBCB) PB drive board (PBDB) Pellet supply motor (M33)
C-1518	The movement of the pellet supply arm has not completed within a specified time period after the pellet supply arm motor (M34) turns ON.	PB control board (PBCB) PB drive board (PBDB) pellet supply arm motor (M34)
C-1519	After the main CPU on the PB control board (PBCB) sends a SC alignment start signal to the sub CPU, a signal to notify the completion of the process is not returned to the main CPU within a specified time period.	PB control board (PBCB) PB drive board (PBDB) Cover paper alignment motor (M41)
C-1520	After the main CPU on the PB control board (PBCB) sends a book ejection start signal to the sub CPU, a signal to notify the completion of the process is not returned to the main CPU within a specified time period.	PB control board (PBCB) PB drive board (PBDB) Book exit motor (M42)
C-1521	After the main CPU on the PB control board (PBCB) sends a driven arm/Rt shaking operation start signal to the sub CPU, a signal to notify the completion of the process is not returned to the main CPU within a specified time period.	PB control board (PBCB) PB drive board (PBDB) Cover paper conveyance arm motor /Rt (M43)
C-1522	After the main CPU in the PB control board (PBCB) sends a driven arm/Lt shaking operation start signal to the sub CPU, a signal to notify the completion of the process is not returned to the main CPU within a specified time period.	PB control board (PBCB) PB drive board (PBDB) Cover paper conveyance arm motor /Lt (M44)
C-1523	After the main CPU on the PB control board (PBCB) sends a cover paper conveyance start signal to the sub CPU, a signal to notify the completion of the process is not returned to the main CPU within a specified time period.	Main body and PB stop immediately and main relay (RY1) is turned OFF. PB control board (PBCB) PB drive board (PBDB) Cover paper conveyance motor (M45)
C-1524	The cover paper table up or down movement has not completed within a specified time period after the cover paper table up down motor/Fr (M46) turns ON.	PB control board (PBCB) PB drive board (PBDB) Cover paper table up down motor /Fr (M46)
C-1525	The cover paper table up or down movement has not completed within a specified time period after the cover paper table up down motor/Rr (M47) turns ON.	PB control board (PBCB) PB drive board (PBDB) Cover paper table up down motor /Rr (M47)
C-1526	The movement of the cover paper folding plate/Rt has not completed within a specified time period after the cover paper folding motor/Rt (M48) turns ON.	PB control board (PBCB) PB drive board (PBDB) Cover paper folding motor / Rt (M48)
C-1527	The movement of the cover paper folding plate/Lt has not completed within a specified time period after the cover paper folding motor/Lt (M49) turns ON.	PB control board (PBCB) PB drive board (PBDB) Cover paper folding motor / Lt (M49)
C-1528	The trimming of the cover paper has not completed within a specified time period after the cutter motor (M50) turns ON.	PB control board (PBCB) PB drive board (PBDB) Cutter motor (M50)
C-1530	After the main CPU in the PB control board (PBCB) sends a carriage belt driving operation start signal to the sub CPU, a signal to notify the completion of the process is not returned to the main CPU within a specified time period.	PB control board (PBCB) PB drive board (PBDB) Book conveyance belt motor (M61)
C-1531	The carriage section movement according to paper size has not completed after the book conveyance belt movement motor (M62) turns ON.	Main body and PB stop immediately and main relay (RY1) is turned OFF. PB control board (PBCB) PB drive board (PBDB) Book conveyance belt movement motor (M62)
C-1532	The up/down process of the carriage section has not completed within a specified time period after the cover paper conveyance belt up/down motor (M63) turns ON.	PB control board (PBCB) PB drive board (PBDB) Book conveyance belt up down motor (M63)
C-1534	The pressing of the back edge of the book process has not completed within a specified time period after the book stopper motor (M65) turns ON.	PB control board (PBCB) PB drive board (PBDB) Book stopper motor (M65)
C-1537	The tray up movement has not completed within a specified time period after the cover paper tray lift motor (M73) turns ON.	PB control board (PBCB) PB drive board (PBDB) Cover paper tray lift motor (M73
C-1538	An error detection signal is detected continuously for a specified time period while the cover paper feed motor (M74) is driving.	PB control board (PBCB) PB drive board (PBDB) Cover paper feed motor (M74)
C-1540	After the warm-up is started, temperature detected by the glue tank temperature sensor / Md (TH3) has not risen to a prescribed level within a specified time period.	AC drive board (ACDB) Glue tank heater (H1) Glue apply roller heater (H2) PB control board (PBCB) PB drive board (PBDB) Glue apply roller motor (M32) Glue tank temperature sensor /Md (TH3)
C-1541	After the warm-up is started, temperature detected by the glue tank temperature sensor / Lw (TH4) has not risen to a prescribed level within a specified time period.	AC drive board (ACDB) Glue tank heater (H1) Glue apply roller heater (H2) PB control board (PBCB) PB drive board (PBDB) Glue apply roller motor (M32) Glue tank temperature sensor /Lw (TH4)
C-1542	After the warm-up is started, temperature detected by the glue apply roller temperature sensor (TH1) has not risen to a prescribed level within a specified time period.	Main body and PB stop immediately and main relay (RY1) is turned OFF. AC drive board (ACDB) Glue tank heater (H1) Glue apply roller heater (H2) PB control board (PBCB) PB drive board (PBDB) Glue apply roller motor (M32) Glue apply roller temperature sensor (TH1)
C-1543	After the pellet supply, temperature detected by the glue tank temperature sensor/Up (TH2) has not risen to a prescribed level within a specified time period.	AC drive board (ACDB) Glue tank heater (H1) Glue apply roller heater (H2) PB control board (PBCB) PB drive board (PBDB) Glue apply roller motor (M32) Glue tank temperature sensor /Up (TH2)
C-1544	During standby, after the glue tank heater (H1) is turned ON, temperature detected by the glue tank temperature sensor / Md (TH3) has not risen to a prescribed level within a specified time period.	AC drive board (ACDB) Glue tank heater (H1) Glue apply roller heater (H2) PB control board (PBCB) PB drive board (PBDB) Glue apply roller motor (M32) Glue tank temperature sensor /Md (TH3)
C-1545	When control temperature is reached, after the glue tank heater (H1) is turned ON, temperature detected by the glue tank temperature sensor/Lw (TH4) has not risen to a prescribed level within a specified time period.	AC drive board (ACDB) Glue tank heater (H1) Glue apply roller heater (H2) PB control board (PBCB) PB drive board (PBDB) Glue apply roller motor (M32) Glue tank temperature sensor /Lw (TH4)
C-1546	When control temperature is reached, after the glue tank heater (H1) is turned ON, temperature detected by the glue apply roller temperature sensor (TH1) has not risen to a prescribed level within a specified time period.	AC drive board (ACDB) Glue tank heater (H1) Glue apply roller heater (H2) PB control board (PBCB) PB drive board (PBDB) Glue apply roller motor (M32) Glue apply roller temperature sensor (TH1)
C-1547	An abnormal high temperature is detected by the glue apply roller temperature sensor (TH1).	Main body and PB stop immediately and main relay (RY1) is turned OFF. AC drive board (ACDB) Glue tank heater (H1) Glue apply roller heater (H2) PB control board (PBCB) PB drive board (PBDB) Glue apply roller motor (M32) Glue apply roller temperature sensor (TH1)
C-1548	An abnormal high temperature is detected by the glue tank temperature sensor /Up (TH2).	AC drive board (ACDB) Glue tank heater (H1) Glue apply roller heater (H2) PB control board (PBCB) PB drive board (PBDB) Glue apply roller motor (M32) Glue tank temperature sensor /Up (TH2)
C-1549	An abnormal high temperature is detected by the glue tank temperature sensor /Md (TH3).	AC drive board (ACDB) Glue tank heater (H1) Glue apply roller heater (H2) PB control board (PBCB) PB drive board (PBDB) Glue apply roller motor (M32) Glue tank temperature sensor /Md (TH3)
C-1550	An abnormal high temperature is detected by the glue tank temperature sensor /Lw (TH4).	AC drive board (ACDB) Glue tank heater (H1) Glue apply roller heater (H2) PB control board (PBCB) PB drive board (PBDB) Glue apply roller motor (M32) Glue tank temperature sensor /Lw (TH4)
C-1551	The glue apply roller temperature sensor (TH1) high temperature hardware detection. An abnormal high temperature is detected by the glue apply roller temperature sensor (TH1).	AC drive board (ACDB) Glue tank heater (H1) Glue apply roller heater (H2) PB control board (PBCB) PB drive board (PBDB) Glue apply roller motor (M32) Glue apply roller temperature sensor (TH1)
C-1552	The glue tank temperature sensor /Up (TH2) high temperature hardware detection. An abnormal high temperature is detected by the glue tank temperature sensor /Up (TH2).	Main body and PB stop immediately and main relay (RY1) is turned OFF. AC drive board (ACDB) Glue tank heater (H1) Glue apply roller heater (H2) PB control board (PBCB) PB drive board (PBDB) Glue apply roller motor (M32) Glue tank temperature sensor /Up (TH2)
C-1553	The glue tank temperature sensor /Md (TH3) high temperature hardware detection. An abnormal high temperature is detected by the glue tank temperature sensor /Md (TH3).	AC drive board (ACDB) Glue tank heater (H1) Glue apply roller heater (H2) PB control board (PBCB) PB drive board (PBDB) Glue apply roller motor (M32) Glue tank temperature sensor /Md (TH3)
C-1554	The glue tank temperature sensor /Lw (TH4) high temperature hardware detection. An abnormal high temperature is detected by the glue tank temperature sensor /Lw (TH4).	AC drive board (ACDB) Glue tank heater (H1) Glue apply roller heater (H2) PB control board (PBCB) PB drive board (PBDB) Glue apply roller motor (M32) Glue tank temperature sensor /Lw (TH4)
C-1555	An abnormal low temperature is detected by the glue apply roller temperature sensor (TH1), after completion of warm-up.	AC drive board (ACDB) Glue tank heater (H1) Glue apply roller heater (H2) PB control board (PBCB) PB drive board (PBDB) Glue apply roller motor (M32) Glue apply roller temperature sensor (TH1)
C-1556	An abnormal low temperature is detected by the glue tank temperature sensor /Up (TH2), after reaching glue supply control temperature.	AC drive board (ACDB) Glue tank heater (H1) Glue apply roller heater (H2) PB control board (PBCB) PB drive board (PBDB) Glue apply roller motor (M32) Glue tank temperature sensor /Up (TH2)
C-1557	An abnormal low temperature is detected by the glue tank temperature sensor /Md (TH3), after the warming-up is completed.	Main body and PB stop immediately and main relay (RY1) is turned OFF. AC drive board (ACDB) Glue tank heater (H1) Glue apply roller heater (H2) PB control board (PBCB) PB drive board (PBDB) Glue apply roller motor (M32) Glue tank temperature sensor /Md (TH3)
C-1558	An abnormal low temperature is detected by the glue tank temperature sensor /Lw (TH4), after the warming-up is completed.	AC drive board (ACDB) Glue tank heater (H1) Glue apply roller heater (H2) PB control board (PBCB) PB drive board (PBDB) Glue apply roller motor (M32) Glue tank temperature sensor /Lw (TH4)
C-1559	Glue apply roller temperature sensor (TH1) low temperature abnormality hardware detection. TH1 detected low temperature abnormality of the glue apply roller abnormality detection signal after the warming-up is completed.	AC drive board (ACDB) Glue tank heater (H1) Glue apply roller heater (H2) PB control board (PBCB) PB drive board (PBDB) Glue apply roller motor (M32) Glue apply roller temperature sensor (TH1)
C-1560	Glue tank temperature sensor/ Up (TH2) low temperature abnormality hardware detection. TH2 detected low temperature abnormality of the glue tank abnormality detection signal after reaching the glue supply control temperature.	AC drive board (ACDB) Glue tank heater (H1) Glue apply roller heater (H2) PB control board (PBCB) PB drive board (PBDB) Glue apply roller motor (M32) Glue tank temperature sensor /Up (TH2)
C-1561	Glue tank temperature sensor/ Md (TH3) low temperature abnormality hardware detection. TH3 detected low temperature abnormality of the glue tank abnormality detection signal after the warming-up is completed.	AC drive board (ACDB) Glue tank heater (H1) Glue apply roller heater (H2) PB control board (PBCB) PB drive board (PBDB) Glue apply roller motor (M32) Glue tank temperature sensor /Md (TH3)
C-1562	Glue tank temperature sensor / Lw (TH4) low temperature abnormality hardware detection. TH4 detected low temperature abnormality of the glue tank abnormality detection signal after the warming-up is completed.	Main body and PB stop immediately and main relay (RY1) is turned OFF. AC drive board (ACDB) Glue tank heater (H1) Glue apply roller heater (H2) PB control board (PBCB) PB drive board (PBDB) Glue apply roller motor (M32) Glue tank temperature sensor /Lw (TH4)
C-2001	Communication abnormality between printer control board (PRCB) and the drum motor/Y (M14) or /M (M15).	Main body stops immediately and main relay (RY1) is turned OFF. Printer control board (PRCB) Drum motor /Y (M14) Drum motor /M (M15)
C-2002	Communication abnormality between printer control board (PRCB) and the drum motor/C (M16) or /K (M17).	Printer control board (PRCB) Drum motor /C (M16) Drum motor /K (M17)
C-2003	Communication abnormality between printer control board (PRCB) and transfer belt motor (M18).	Printer control board (PRCB) Transfer belt motor (M18)
C-2004	Communication abnormality between printer control board (PRCB) and the drum motor/Y (M14) or /M (M15).	Printer control board (PRCB) Drum motor /Y (M14) Drum motor /M (M15)
C-2005	Communication abnormality between printer control board (PRCB) and the drum motor/C (M16) or /K (M17).	Printer control board (PRCB) Drum motor /C (M16) Drum motor /K (M17)
C-2006	Communication abnormality between printer control board (PRCB) and transfer belt motor (M18).	Printer control board (PRCB) Transfer belt motor (M18)
C-2201	When the developing motor/Y (M20) was ON, M20 abnormality detection signal was continuously detected for the specified time.	Printer control board (PRCB) Developing motor /Y (M20)
C-2202	When the developing motor/M (M21) was ON, M201 abnormality detection signal was continuously detected for the specified time.	Printer control board (PRCB) Developing motor /M (M21)
C-2203	When developing motor/C (M22) was ON, M22 abnormality detection signal was continuously detected for the specified time.	Main body stops immediately and main relay (RY1) is turned OFF. Printer control board (PRCB) Developing motor /C (M22)
C-2204	When the developing motor/K (M23) was ON, M23 abnormality detection signal was continuously detected for the specified time.	Printer control board (PRCB) Developing motor /K (M23)
C-2211	When the drum motor/Y (M14) was ON, M14 abnormality detection signal was continuously detected for the specified time.	Main body stops immediately and main relay (RY1) is turned OFF. Printer control board (PRCB) Drum motor /Y (M14)
C-2212	When the drum motor/M (M15) was ON, M15 abnormality detection signal was continuously detected for the specified time.	Printer control board (PRCB) Drum motor /M (M15)
C-2213	When the drum motor/C (M16) was ON, M16 abnormality detection signal was continuously detected for the specified time.	Printer control board (PRCB) Drum motor /C (M16)
C-2214	When drum motor /K (M17) was ON, M17 abnormality detection signal was continuously detected for the specified time.	Printer control board (PRCB) Drum motor /K (M17)
C-2220	When the transfer belt motor (M18) was ON, M18 abnormality detection signal was continuously detected for the specified time.	Printer control board (PRCB) Transfer belt motor (M18)
C-2221	When the 1st transfer HP sensor (PS15) is ON, PS15 is not turned OFF within the specified time after the 1st transfer pressing/ releasing motor (M19) is turned ON. When PS15 is OFF, PS15 is not turned ON within the specified time after M19 is turned ON.	Printer control board (PRCB) 1st transfer pressing/releasing motor (M19) 1st transfer HP sensor (PS15)
C-2222	When either of the toner supply motor/Y, /M, /C, /K (M49, M50, M51, or M52), toner bottle motor (M53), or toner bottle clutch /Y, / M, /C, /K (MC14, MC15, MC16, or MC17) was ON, either abnormality detection signal was continuously detected for the specified time.	Main body stops immediately and main relay (RY1) is turned OFF. Printer control board (PRCB) Toner supply drive board (TSDB) Toner supply motor/Y (M49) Toner supply motor/M (M50) Toner supply motor/C (M51) Toner supply motor/K (M52) Toner bottle motor (M53) Toner bottle clutch/Y (MC14) Toner bottle clutch/M (MC15) Toner bottle clutch/C (MC16) Toner bottle clutch/K (MC17)
C-2301	When charge intake fan (M48) was ON, M48 abnormality detection signal was continuously detected for the specified time.	Printer control board (PRCB) Toner supply drive board (TSDB) Charge intake fan (M48)
C-2302	Either one of the M12 or M13 abnormality detection signal was continuously detected for the specified time when the drum fan/1 (M12), /2 (M13) was ON.	Printer control board (PRCB) Drum fan/1 (M12) Drum fan/2 (M13)
C-2303	When the transfer belt fan (M11) was ON, M11 abnormality detection signal was continuously detected for the specified time.	Printer control board (PRCB) Transfer belt fan (M11)
C-2304	While the developing fans/1, /2 and /3 (M45, M46 and M64) are turned ON, an error detection signal of either M45, M46 or M64 is detected for the specified period of time in succession.	Printer control board (PRCB) Developing fan/1 (M45) Developing fan/2 (M46) Developing fan/3 (M64)
C-2401	Erase lamp/Y (EL/Y) set cannot be detected.	Printer control board (PRCB) Erase lamp/Y (EL/Y)
C-2402	Erase lamp/M (EL/M) set cannot be detected.	Printer control board (PRCB) Erase lamp/M (EL/M)
C-2403	Erase lamp/C (EL/C) set cannot be detected.	Printer control board (PRCB) Erase lamp/C (EL/C)
C-2404	Erase lamp/K (EL/K) set cannot be detected.	Printer control board (PRCB) Erase lamp/K (EL/K)
C-2411	TCR sensor/Y (TCRS/Y) output cannot be controlled.	Main body stops immediately and main relay (RY1) is turned OFF. Printer control board (PRCB) TCR sensor/Y (TCRS/Y)
C-2412	TCR sensor/M (TCRS/M) output cannot be controlled.	Printer control board (PRCB) TCR sensor/M (TCRS/M)
C-2413	TCR sensor/C (TCRS/C) output cannot be controlled.	Printer control board (PRCB) TCR sensor/C (TCRS/C)
C-2414	TCR sensor/K (TCRS/K) output cannot be controlled.	Printer control board (PRCB) TCR sensor/K (TCRS/K)
C-2421	After the developing motor/Y (M20) is ON, or TCR sensor/Y (TCRS/Y) initial adjustment started, TCRS/Y detected lower than the specified value after the specified time passed.	Printer control board (PRCB) Developing motor/Y (M20) TCR sensor/Y (TCRS/Y)
C-2422	After the developing motor/M (M21) is ON, or TCR sensor/M (TCRS/M) initial adjustment started, TCRS/Y detected lower than the specified value after the specified time passed.	Printer control board (PRCB) Developing motor/M (M21) TCR sensor/M (TCRS/M)
C-2423	After the developing motor/C (M22) is ON, or TCR sensor/C (TCRS/C) initial adjustment started, TCRS/C detected lower than the specified value after the specified time passed.	Printer control board (PRCB) Developing motor/C (M22) TCR sensor/C (TCRS/C)
C-2424	After the developing motor/K (M23) is ON, or TCR sensor/K (TCRS/K) initial adjustment started, TCRS/K detected lower than the specified value after the specified time passed.	Printer control board (PRCB) Developing motor/K (M23) TCR sensor/K (TCRS/K)
C-2431	On initial adjustment of the TCR sensor/Y, when the control voltage was minimal, TCRS/Y detected over specified value.	Main body stops immediately and main relay (RY1) is turned OFF. Printer control board (PRCB) Developing motor/Y (M20) TCR sensor/Y (TCRS/Y)
C-2432	On initial adjustment of the TCR sensor/M, when the control voltage was minimal, TCRS/M detected over specified value.	Printer control board (PRCB) Developing motor/M (M21) TCR sensor/M (TCRS/M)
C-2433	On initial adjustment of the TCR sensor/C, when the control voltage was minimal, TCRS/C detected over specified value.	Printer control board (PRCB) Developing motor/C (M22) TCR sensor/C (TCRS/C)
C-2434	On initial adjustment of the TCR sensor/K, when the control voltage was minimal, TCRS/K detected over specified value.	Printer control board (PRCB) Developing motor/K (M23) TCR sensor/K (TCRS/K)
C-2441	On initial adjustment of the TCR sensor/Y, when the control voltage was maximum, TCRS/Y detected under the specified value.	Printer control board (PRCB) Developing motor/Y (M20) TCR sensor/Y (TCRS/Y)
C-2442	On initial adjustment of the TCR sensor/M, when the control voltage was maximum, TCRS/M detected over specified value.	Printer control board (PRCB) Developing motor/M (M21) TCR sensor/M (TCRS/M)
C-2443	On initial adjustment of the TCR sensor/C, when the control voltage was maximum, TCRS/C detected over specified value.	Printer control board (PRCB) Developing motor/C (M22) TCR sensor/C (TCRS/C)
C-2444	On initial adjustment of the TCR sensor/K, when the control voltage was maximum, TCRS/K detected over specified value.	Printer control board (PRCB) Developing motor/K (M23) TCR sensor/K (TCRS/K)
C-2451	When the developing motor/Y (M20) is ON, the maximum detection value of TCR sensor/Y (TCRS/Y) is the specified value and the difference between the maximum detection value and the minimum detection value is over the specified value.	Printer control board (PRCB) Developing motor/Y (M20) TCR sensor/Y (TCRS/Y)
C-2452	When the developing motor/M (M21) is ON, the maximum detection value of TCR sensor/ M (TCRS/M) is the specified value and the difference between the maximum detection value and the minimum detection value is over the specified value.	Main body stops immediately and main relay (RY1) is turned OFF. Printer control board (PRCB) Developing motor/M (M21) TCR sensor/M (TCRS/M)
C-2453	When the developing motor/C (M22) is ON, the maximum detection value of TCR sensor/C (TCRS/C) is the specified value and the difference between the maximum detection value and the minimum detection value is over the specified value.	Printer control board (PRCB) Developing motor/C (M22) TCR sensor/C (TCRS/C)
C-2454	When the developing motor/K (M23) is ON, the maximum detection value of TCR sensor/K (TCRS/K) is the specified value and the difference between the maximum detection value and the minimum detection value is over the specified value.	Printer control board (PRCB) Developing motor/K (M23) TCR sensor/K (TCRS/K)
C-2461	Charging coronas is not connected. Otherwise, drum potential sensor/Y (DPRS/Y) detection value does not reach the specified value.	Printer control board (PRCB) High voltage unit/1 (HV/1) Drum potential sensor board/Y (DRPSB/Y) Drum potential sensor/Y (DRPS/Y)
C-2462	Charging coronas/M is not connected. Otherwise, drum potential sensor/M (DPRS/M) detection value does not reach the specified value.	Printer control board (PRCB) High voltage unit/1 (HV/1) Drum potential sensor board/M (DRPSB/M) Drum potential sensor/M (DRPS/M)
C-2463	Charging coronas/C is not connected. Otherwise, drum potential sensor/C (DPRS/C) detection value does not reach the specified value.	Main body stops immediately and main relay (RY1) is turned OFF. Printer control board (PRCB) High voltage unit/1 (HV/1) Drum potential sensor board/C (DRPSB/C) Drum potential sensor/C (DRPS/C)
C-2464	Charging coronas/K is not connected. Otherwise, drum potential sensor/K (DPRS/K) detection value does not reach the specified value.	Printer control board (PRCB) High voltage unit/1 (HV/1) Drum potential sensor board/K (DRPSB/K) Drum potential sensor/K (DRPS/K)
C-2470	Process unit is not connected.	Printer control board (PRCB) Process unit
C-2701	When the charging coronas/Y was ON, charging coronas/Y abnormality detection signal was continuously detected for the specified time.	High voltage unit/1 (HV/1) Charging coronas/Y
C-2702	When the charging coronas/M was ON, charging coronas/M abnormality detection signal was continuously detected for the specified time.	High voltage unit/1 (HV/1) Charging coronas/M
C-2703	When the charging coronas/C was ON, charging coronas/C abnormality detection signal was continuously detected for the specified time.	High voltage unit/1 (HV/1) Charging coronas/C
C-2704	When the charging coronas/K was ON, charging coronas/K abnormality detection signal was continuously detected for the specified time.	High voltage unit/1 (HV/1) Charging coronas/K
C-2711	When the primary transfer/Y was ON, primary transfer/Y abnormality detection signal was continuously detected for the specified time.	High voltage unit/2 (HV/2) First transfer roller/Y
C-2712	When the primary transfer/M was ON, primary transfer/M abnormality detection signal was continuously detected for the specified time.	Main body stops immediately and main relay (RY1) is turned OFF. High voltage unit/2 (HV/2) First transfer roller /M
C-2713	When the primary transfer/C was ON, primary transfer/C abnormality detection signal was continuously detected for the specified time.	High voltage unit/2 (HV/2) First transfer roller /C
C-2714	When the primary transfer/K was ON, primary transfer/K abnormality detection signal was continuously detected for the specified time.	High voltage unit/2 (HV/2) First transfer roller/K
C-2720	When the second transfer was ON, second transfer abnormality detection signal was continuously detected for the specified time.	High voltage unit/2 (HV/2) Second transfer roller
C-2721	When the separation pole was ON, separation abnormality detection signal was continuously detected for the specified time.	High voltage unit /2 (HV/2) Separation pole
C-2801	Gamma correction /Y aborted. Patch output voltage is low. (Error 1)	Printer control board (PRCB) Developing unit /Y PGC sensor (PS11)
C-2802	Gamma correction /M aborted. Patch output voltage is low. (Error 1)	Printer control board (PRCB) Developing unit /M PGC sensor (PS11)
C-2803	Gamma correction /C aborted. Patch output voltage is low. (Error 1)	Printer control board (PRCB) Developing unit /C PGC sensor (PS11)
C-2804	Gamma correction /K aborted.	Printer control board (PRCB) Developing unit /K PGC sensor (PS11)
C-2811	In charging potential control, drum surface potential /Y was out of specification.	Printer control board (PRCB) Drum potential sensor board /Y (DRPSB/Y) Drum potential sensor /Y (DRPS/Y)
C-2812	In charging potential control, drum surface potential/M was out of specification.	Main body stops immediately and main relay (RY1) is turned OFF. Printer control board (PRCB) Drum potential sensor board /M (DRPSB/M) Drum potential sensor /M (DRPS/M)
C-2813	In charging potential control, drum surface potential/C was out of specification.	Printer control board (PRCB) Drum potential sensor board /C (DRPSB/C) Drum potential sensor /C (DRPS/C)
C-2814	In charging potential control, drum surface potential/K was out of specification.	Printer control board (PRCB) Drum potential sensor board /K (DRPSB/K) Drum potential sensor /K (DRPS/K)
C-2821	Charging potential correction Vh/Y aborted.	Printer control board (PRCB) Drum potential sensor board /Y (DRPSB/Y) Drum potential sensor /Y (DRPS/Y)
C-2822	Charging potential correction Vh/M aborted.	Printer control board (PRCB) Drum potential sensor board /M (DRPSB/M) Drum potential sensor /M (DRPS/M)
C-2823	Charging potential correction Vh/C aborted.	Printer control board (PRCB) Drum potential sensor board /C (DRPSB/C) Drum potential sensor /C (DRPS/C)
C-2824	Charging potential correction Vh/K aborted.	Printer control board (PRCB) Drum potential sensor board /K (DRPSB/K) Drum potential sensor /K (DRPS/K)
C-2831	Charging potential correction Vm/Y aborted.	Printer control board (PRCB) Drum potential sensor board/Y (DRPSB/Y) Drum potential sensor/Y (DRPS/Y)
C-2832	Charging potential correction Vm/M aborted.	Main body stops immediately and main relay (RY1) is turned OFF. Printer control board (PRCB) Drum potential sensor board/M (DRPSB/M) Drum potential sensor/M (DRPS/M)
C-2833	Charging potential correction Vm/C aborted.	Printer control board (PRCB) Drum potential sensor board/C (DRPSB/C) Drum potential sensor/C (DRPS/C)
C-2834	Charging potential correction Vm/K aborted.	Printer control board (PRCB) Drum potential sensor board/K (DRPSB/K) Drum potential sensor/K (DRPS/K)
C-2840	PGC sensor correction failure during Maximum density control.	Printer control board (PRCB) PGC sensor (PS11)
C-2841	PGC sensor correction failure during Gamma control.	Printer control board (PRCB) PGC sensor (PS11)
C-2851	Gamma correction/Y aborted. Patch output voltage is high. (Error 2)	Printer control board (PRCB) Developing unit/Y PGC sensor (PS11)
C-2852	Gamma correction/M aborted. Patch output voltage is high. (Error 2)	Printer control board (PRCB) Developing unit/M PGC sensor (PS11)
C-2853	Gamma correction/C aborted. Patch output voltage is high. (Error 2)	Printer control board (PRCB) Developing unit/C PGC sensor (PS11)
C-2861	Gamma correction/Y aborted. Patch output voltage is high. (Error 3)	Printer control board (PRCB) Developing unit/Y PGC sensor (PS11)
C-2862	Gamma correction/M aborted. Patch output voltage is high. (Error 3)	Printer control board (PRCB) Developing unit/M PGC sensor (PS11)
C-2863	Gamma correction/C aborted. Patch output voltage is high. (Error 3)	Printer control board (PRCB) Developing unit/C PGC sensor (PS11)
C-2871	Gamma correction/Y aborted. Patch output voltage is high. (Error 4)	Printer control board (PRCB) Developing unit/Y PGC sensor (PS11)
C-2872	Gamma correction/M aborted. Patch output voltage is high. (Error 4)	Printer control board (PRCB) Developing unit/M PGC sensor (PS11)
C-2873	Gamma correction/C aborted. Patch output voltage is high. (Error 4)	Printer control board (PRCB) Developing unit/C PGC sensor (PS11)
C-3101	When the fusing motor (M29) was ON, M29 abnormality detection signal was continuously detected for the specified time.	Main body stops immediately and main relay (RY1) is turned OFF. Conveyance drive board (CDB) Fusing motor (M29)
C-3102	When the fusing release home sensor (PS16) is ON, PS16 is not turned OFF within the specified time after the fusing motor (M29) is turned ON. When PS16 is OFF, PS16 is not turned ON within the specified time after M29 is turned ON.	Conveyance drive board (CDB) Fusing motor (M29) Fusing release home sensor (PS16)
C-3103	After the 2nd transfer pressure/ release motor (M34) is turned ON, it is not turned OFF within the specified time.	Conveyance drive board (CDB) 2nd transfer pressure/ release motor (M34)
C-3301	M37 abnormality detection signal was continuously detected for the specified time when the fusing ventilation fan (M37) was ON.	Printer control board (PRCB) Fusing ventilation fan (M37)
C-3302	When the fusing belt ventilation fan (M10) was ON, M10 abnormality detection signal was continuously detected for the specified time.	Printer control board (PRCB) Fusing belt ventilation fan (M10)
C-3303	When the fusing fan/Lw (M65) was ON, M65 abnormality detection signal was continuously detected for the specified time.	Conveyance drive board (CDB) Fusing fan/Lw (M65)
C-3501	Fusing high temperature abnormality. Temperature sensor/1 (TEMS/1) was continuously detected at over 250 °C for the specified time.	Main body stops immediately and main relay (RY1) is turned OFF. Printer control board (PRCB) AC drive board (ACDB) Fusing heater lamp1/ (L2) Fusing heater lamp2/ (L3) Fusing heater lamp3/ (L4) Fusing heater lamp4/ (L5) Temperature sensor/1 (TEMS/1) Temperature sensor/2 (TEMS/2) Temperature sensor/3 (TEMS/3) Temperature sensor/4 (TEMS/4) • When C35, C38 or C39** (Fusing temperature related abnormality) occurs, be sure to repair a defective part before setting the service mode software DipSW3-1 to 0. • If the software DipSW 3-1 is set to 0 without repairing a defective part, this may cause a fire.
C-3502	Fusing high temperature abnormality. Temperature sensor/3 (TEMS/3) was continuously detected at over 250 °C for the specified time.
C-3503	Fusing high temperature abnormality. Temperature sensor/2 (TEMS/2) was continuously detected at over 250 °C for the specified time.
C-3504	Fusing high temperature abnormality. Temperature sensor/4 (TEMS/4) was continuously detected at over 250 °C for the specified time.
C-3505	Fusing high temperature abnormality. Temperature sensor/1 (TEMS/1) was continuously detected at over 150 °C for the specified time.
C-3506	Fusing high temperature abnormality. Temperature sensor/2 (TEMS/2) was continuously detected at over 150 °C for the specified time.
C-3507	Fusing roller paper winding abnormality. Temperature sensor/3 (TEMS/3) detected temperature was more than 25 °C higher than the detected temperature of temperature sensor/1 (TEMS/1).
C-3508	Fusing roller paper winding abnormality. J31-02 occurred four continuous times.	Main body stops immediately and main relay (RY1) is turned OFF. Printer control board (PRCB) AC drive board (ACDB) Fusing heater lamp1/ (L2) Fusing heater lamp2/ (L3) Fusing heater lamp3/ (L4) Fusing heater lamp4/ (L5) Temperature sensor/1 (TEMS/1) Temperature sensor/2 (TEMS/2) Temperature sensor/3 (TEMS/3) Temperature sensor/4 (TEMS/4) • When C35, C38 or C39** (Fusing temperature related abnormality) occurs, be sure to repair a defective part before setting the service mode software DipSW3-1 to 0. • If the software DipSW 3-1 is set to 0 without repairing a defective part, this may cause a fire.
C-3801	Fusing low temperature abnormality. Temperature sensor/1 (TEMS/1) was continuously detected at under 150 °C for the specified time.
C-3802	Fusing low temperature abnormality. Temperature sensor/3 (TEMS/3) was continuously detected at under 150 °C for the specified time.
C-3803	Fusing low temperature abnormality. Temperature sensor/2 (TEMS/2) was continuously detected at under 150 °C for the specified time.
C-3804	Fusing low temperature abnormality. Temperature sensor/4 (TEMS/4) was continuously detected at under 150 °C for the specified time.
C-3805	Fusing low temperature abnormality. Temperature sensor/1 (TEMS/1) was continuously detected at under 20 °C for the specified time.
C-3806	Fusing high temperature abnormality. Temperature sensor/2 (TEMS/2) was continuously detected at under 20 °C for the specified time.
C-3901	Fusing high temperature hardware detection abnormality Temperature sensor/3 (TEMS/3) detected abnormality signal continuously for the specified time.	Main body stops immediately and main relay (RY1) is turned OFF. Printer control board (PRCB) AC drive board (ACDB) Fusing heater lamp1/ (L2) Fusing heater lamp2/ (L3) Fusing heater lamp3/ (L4) Fusing heater lamp4/ (L5) Temperature sensor/1 (TEMS/1) Temperature sensor/2 (TEMS/2) Temperature sensor/3 (TEMS/3) Temperature sensor/4 (TEMS/4) • When C35, C38 or C39** (Fusing temperature related abnormality) occurs, be sure to repair a defective part before setting the service mode software DipSW3-1 to 0. • If the software DipSW 3-1 is set to 0 without repairing a defective part, this may cause a fire.
C-3902	Fusing high temperature hardware detection abnormality. Temperature sensor/4 (TEMS/4) detected abnormality signal continuously for the specified time.
C-3903	Fusing high temperature hardware detection abnormality. Temperature sensor/1 (TEMS/1) detected abnormality signal continuously for the specified time.
C-3904	Fusing high temperature hardware detection abnormality. Temperature sensor/3 (TEMS/3) detected abnormality signal continuously for the specified time.
C-3905	Fusing low temperature hardware detection abnormality. Temperature sensor/2 (TEMS/2) detected abnormality signal continuously for the specified time.
C-3906	Fusing low temperature hardware detection abnormality. Temperature sensor/4 (TEMS/4) detected abnormality signal continuously for the specified time.
C-3907	Fusing high temperature hardware detection abnormality. Temperature sensor/1 (TEMS/1) detected abnormality signal continuously for the specified time.
C-3908	Fusing low temperature hardware detection abnormality. Temperature sensor/1 (TEMS/1) detected abnormality signal continuously for the specified time.
C-3909	Fusing high temperature hardware detection abnormality. Temperature sensor/2 (TEMS/2) detected abnormality signal continuously for the specified time.	Main body stops immediately and main relay (RY1) is turned OFF. Printer control board (PRCB) AC drive board (ACDB) Fusing heater lamp1/ (L2) Fusing heater lamp2/ (L3) Fusing heater lamp3/ (L4) Fusing heater lamp4/ (L5) Temperature sensor/1 (TEMS/1) Temperature sensor/2 (TEMS/2) Temperature sensor/3 (TEMS/3) Temperature sensor/4 (TEMS/4) • When C35, C38 or C39** (Fusing temperature related abnormality) occurs, be sure to repair a defective part before setting the service mode software DipSW3-1 to 0. • If the software DipSW 3-1 is set to 0 without repairing a defective part, this may cause a fire.
C-3910	Fusing low temperature hardware detection abnormality. Temperature sensor/2 (TEMS/2) detected abnormality signal continuously for the specified time.
C-3911	After the sub power switch (SW2) is turned ON, temperature sensor/1 (TEMS/1) detection temperature does not reach 100 °C within the specified time.
C-3912	After the sub power switch (SW2) is turned ON, temperature sensor/3 (TH3) detection temperatures does not reach 100 °C within the specified time.
C-3913	Fusing unit has not been set.
C-3914	Fusing high temperature hardware detection abnormality. Temperature sensor/1 (TEMS/1) detected abnormality signal continuously for the specified time.
C-3915	Fusing high temperature hardware detection abnormality. Temperature sensor/2 (TEMS/2) detected abnormality signal continuously for the specified time.
C-3916	After the sub power switch (SW2) is turned ON, temperature sensor/4 (TEMS/4) detection temperatures does not reach 100 °C within the specified time.
C-4101	When the polygon motor/Y (M3) is started or when the speed is switched, M3 lock signal is not detected within the specified time.
C-4102	When the polygon motor/M (M4) is started or when the speed is switched, M4 lock signal is not detected within the specified time.
C-4103	When the polygon motor/C (M5) is started or when the speed is switched, M5 lock signal is not detected within the specified time.	Main body stops immediately and main relay (RY1) is turned OFF. Printer control board (PRCB) Polygon motor/C (M5)
C-4104	When the polygon motor/K (M6) is started or when the speed is switched, M6 lock signal is not detected within the specified time.	Printer control board (PRCB) Polygon motor/K (M6)
C-4111	Abnormal temperature of polygon motor/Y (M3) was detected.	Printer control board (PRCB) Polygon motor/Y (M3)
C-4112	Abnormal temperature of polygon motor/M (M4) was detected.	Printer control board (PRCB) Polygon motor/M (M4)
C-4113	Abnormal temperature of polygon motor/C (M5) was detected.	Printer control board (PRCB) Polygon motor/C (M5)
C-4114	Abnormal temperature of polygon motor/K (M6) was detected.	Printer control board (PRCB) Polygon motor/K (M6)
C-4120	Temperature sensor board (TEMSB) detected temperature abnormality inside the writing unit/K.	Printer control board (PRCB) Temperature sensor board (TEMSB)
C-4301	While the writing intake fans/1, / 2, (M43, M44), developing fans/ 1, /2 and /3 (M45, M46 and M64) are turned ON, an error detection signal of either M43, M44, M45, M46 or M64 is detected for the specified period of time in succession.	Printer control board (PRCB) Writing intake fan/1 (M43) Writing intake fan/2 (M44) Developing fan/1 (M45) Developing fan/2 (M46) Developing fan/3 (M64)
C-4501	When laser correction motor/Y (M7) was ON, laser correction sensor/Y (PS5) was turned OFF.	Printer control board (PRCB) Laser correction motor/Y (M7) Laser correction sensor/Y (PS5)
C-4502	When laser correction motor/M (M8) was ON, laser correction sensor/M (PS6) was turned OFF.	Printer control board (PRCB) Laser correction motor/M (M8) Laser correction sensor/M (PS6)
C-4503	When laser correction motor/C (M9) was ON, laser correction sensor/C (PS7) was turned OFF.	Printer control board (PRCB) Laser correction motor/C (M9) Laser correction sensor/C (PS7)
C-4504	When laser correction motor/K (M58) was ON, laser correction sensor/K (PS59) was turned OFF.	Main body stops immediately and main relay (RY1) is turned OFF. Printer control board (PRCB) Laser correction motor/K (M58) Laser correction sensor/K (PS59)
C-4511	After the laser correction motor/ Y (M7) is turned ON, it is not turned OFF within the specified time. Or, laser correction sensor/ Y (PS5) installing position is abnormal.	Printer control board (PRCB) Laser correction motor/Y (M7) Laser correction sensor/Y (PS5)
C-4512	Laser correction motor/M (M8) is not turned OFF within the specified time after it is turned ON. Or, laser correction sensor/M (PS6) installing position is abnormal.	Printer control board (PRCB) Laser correction motor/M (M8) Laser correction sensor/M (PS6)
C-4513	Laser correction motor/C (M9) is not turned OFF within the specified time after it is turned ON. Or, laser correction sensor/C (PS7) installing position is abnormal.	Printer control board (PRCB) Laser correction motor/C (M9) Laser correction sensor/C (PS7)
C-4514	After the laser correction motor/ K (M58) is turned ON, it is not turned OFF within the specified time. Or, laser correction sensor/ K (PS59) installing position is abnormal.	Printer control board (PRCB) Laser correction motor/K (M58) Laser correction sensor/K (PS59)
C-4520	Color registration correction aborted.	Printer control board (PRCB) Color registration sensor/Fr (PS8) Color registration sensor/Rr (PS9)
C-4521	Color registration base line correction/ Fr aborted.	Printer control board (PRCB) Color registration sensor/Fr (PS8)
C-4522	Color registration base line correction/ Rr aborted.	Printer control board (PRCB) Color registration sensor/Rr (PS9)
C-4701	Address abnormality of FIFO for printer. Expansion of scanned image data is not correctly completed.	Printer control board (PRCB) Image processing board (IPB) I/F board (IFB) Image memory control board (IMCB)
C-4702	FIFO interrupt error of compression/ expansion chip occurred.	Main body stops immediately and main relay (RY1) is turned OFF. Image processing board (IPB) I/F board (IFB) Image memory control board (IMCB)
C-4703	Image data expansion abnormality	Image processing board (IPB) I/F board (IFB) Image memory control board (IMCB)
C-4705	When scanning an image, expansion process from memory to printer is not completed within the specified time. Output from page memory to printer is not completed within the specified time. PVV is not detected within the specified time.	Printer control board (PRCB) Image processing board (IPB) I/F board (IFB) Image memory control board (IMCB) Write unit/Y Write unit/M Write unit/C Write unit/K
C-4706	When scanning an image, access to expansion device or some other improper process took place even though there was no resource.	Image processing board (IPB) I/F board (IFB) Image memory control board (IMCB) Program of overall control board (OACB)
C-4708	When accessing the memory device, software fault was detected.
C-4709	Expansion process from memory to page memory is not completed within the specified time. Compression process from page memory to memory is not completed within the specified time. Evolution from memory to page memory is not completed within the specified time. Compressed data transfer from memory to memory is not completed within the specified time.	Image processing board (IPB) I/F board (IFB) Image memory control board (IMCB) Program of overall control board (OACB)
C-4711	Software failure. CCD board was replaced but IROM version is not compliant. CCD board (CCDB) bunch or connector is damaged.	Main body stops immediately and main relay (RY1) is turned OFF. Image processing board (IPB) IROM program CCD board (CCDB) Connection cable between IPB and CCDB
C-4713	Page memory cannot be secured for printing.	Image processing board (IPB) I/F board (IFB) Image memory control board (IMCB) Overall control board (OACB) NVRAM board (NRB)
C-4714 C-4715 C-4716 C-4717	Index sensor output does not change by the execution of APC. Index sensor cannot detect the laser because the polygon mirror does not rotate, or because of the index sensor out of position or defective index sensor.	Printer control board (PRCB) Image processing board (IPB) I/F board (IFB) Image memory control board (IMCB) Write unit/Y Write unit/M Write unit/C Write unit/K
C-4718 C-4719 C-4720 C-4721	APC failure. Laser does not light up because 12VDC power to drive the beam is not supplied, MPC is not correct, or because of fault laser.	Image processing board (IPB) Write unit/Y Write unit/M Write unit/C Write unit/K
C-4722 C-4723 C-4724 C-4725	Connection abnormality between index board/Y, /M, /C, / K (INDEXB/Y, /M, /C, /K) or the laser drive board/Y, /M, /C, /K (LASDB/Y, /M, /C, /K) and the image process board (IPB).	Image processing board (IPB) Write unit/Y Write unit/M Write unit/C Write unit/K
C-4840	Engine continued operation without preparing image or process patch for the specified time.	Printer control program
C-4850	Overall control software accessed an invalid address.	Overall control board (OACB)
C-5001	12VDC abnormality. Abnormality signal was continuously detected for the specified time.	DC power unit/1 (DCPS/1)
C-5002	24VDC abnormality. Abnormality signal was continuously detected for the specified time after the specified time from REN/2 ON.	Main body stops immediately and main relay (RY1) is turned OFF. DC power unit/2 (DCPS/2)
C-5003	Conveyance drive board (CDB) 24VDC abnormality. Abnormality signal of 24VDC for CVD was detected.	DC power unit/2 (DCPS/2) Conveyance drive board (CDB)
C-5004	Laser correction motor 5VDC abnormality. Abnormal 5VDC for laser correction motor/Y, /M, /C, /K (M7, M8, M9 and M58) was detected.	DC power unit/1 (DCPS/1)
C-5005	Conveyance drive board (CDB) 12VDC abnormality.	DC power unit/1 (DCPS/1) Conveyance drive board (CDB)
C-5010	Line status error and check sum error was detected between the overall control board (OACB) and image processing board (IPB) and demand for re-transmission was sent but recovery could not be attained. Re-transmission was demanded and answered but recovery could not be attained. Space is not obtained in the transmission ring buffer within the specified time.	Image processing board (IPB) I/F board (IFB) Image memory control board (IMCB) Overall control board (OACB)
C-5011	Communication with the coin vendor cannot be performed.	Overall control board (OACB) Coin vendor/1
C-5301	M42 abnormality detection signal was continuously detected for the specified time when the DCPS fan (M42) was ON.	Printer control board (PRCB) DCPS fan (M42)
C-5302	When the IPB fan/1 (M24) was ON, M24 abnormality detection signal was continuously detected for the specified time.	Printer control board (PRCB) IPB fan/1 (M24)
C-5303	When the IPB fan/2 (M25) was ON, M25 abnormality detection signal was continuously detected for the specified time.	Printer control board (PRCB) IPB fan/2 (M25)
C-6101	At the home position search, scanner HP sensor (PS1) is not turned ON within the specified time after the scanner motor (M1) is turned ON.	Main body stops immediately and main relay (RY1) is turned OFF. Scanner drive board (SCDB) Scanner motor (M1) Scanner HP sensor (PS1)
C-6102	When the optical scanning returns, scanner HP sensor (PS1) is not turned ON within the specified time after the scanner motor (M1) is turned ON.	Scanner drive board (SCDB) Scanner motor (M1) Scanner HP sensor (PS1)
C-6301	M42 abnormality detection signal was continuously detected for the specified time when the scanner fan (M2) was ON.	Scanner drive board (SCDB) Scanner fan (M2)
C-6701	When processing the image, filter coefficient cannot be properly prepared.	Image processing board (IPB) I/F board (IFB) Image memory control board (IMCB)
C-6702	Address abnormality of FIFO for scanner. When scanning an image, compression of scanned image data is not correctly completed.	Image processing board (IPB) I/F board (IFB) Image memory control board (IMCB)
C-6703	After negation of SVV, compression of scanned image and evolution to page memory are not completed.	Image processing board (IPB) I/F board (IFB) Image memory control board (IMCB) Overall control board (OACB)
C-6704	When scanning an image, compression process from scanner to memory is not completed within the specified time. Evolution from scanner to page memory is not completed within the specified time. SVV is not detected within the specified time.	Image processing board (IPB) I/F board (IFB) Image memory control board (IMCB) Overall control board (OACB)
C-6705	When scanning an image, access to compression device or some other improper process took place even though there was no resource.	Image processing board (IPB) I/F board (IFB) Image memory control board (IMCB)
C-6706	When scanning an image, scanning the next page cannot be started due to SVV not turning OFF within the specified time.	Main body stops immediately and main relay (RY1) is turned OFF. Image processing board (IPB) I/F board (IFB) Image memory control board (IMCB) Overall control board (OACB)
C-6707	Shading correction abnormality (GA abnormality)	Image processing board (IPB) I/F board (IFB)
C-6708	AOC/AGC adjustment abnormality • Blocking cover and lens cover of scanner section are out of place. • CCD board (CCDB) connector is disconnected. • CCDB power cable is disconnected. • CCDB IC protector is broken. • Quantity of light of exposure lamp (L1) is excess. • L1 does not light up.	Image processing board (IPB) I/F board (IFB) Image memory control board (IMCB) Overall control board (OACB) Scanner drive board (SCDB) Printer control board (PRCB) Inverter board/1 (INVB1)
C-6709	There is no correction data which has been reserved by resolution.	Image processing board (IPB) I/F board (IFB) Image memory control board (IMCB) Program of overall control board (OACB)
C-6710	Density gamma curve can not be prepared properly.	Image processing board (IPB) I/F board (IFB) Image memory control board (IMCB) Program of overall control board (OACB)
C-6711	Starting error of calibration of the pulse-length modulation IC.	mage processing board (IPB) I/F board (IFB) Image memory control board (IMCB) Overall control board (OACB)
C-6712	End error of calibration of the pulse-length modulation IC.
C-6713	Even though MPC was not finished, execution of APC initial sampling was attempted.	Image processing board (IPB)
C-6714	Execution of MPC was attempted during execution of APC.	Main body stops immediately and main relay (RY1) is turned OFF. Image processing board (IPB)
C-6715	Execution of sub scan beam correction was attempted before completion of APC or MPC.
C-6716	Execution of sub scan beam pitch correction was attempted, when clock for writing was in abnormal state due to incomplete AD9561 initialization.
C-6717	Continuous page imaging range abnormality. Image cannot be evolved on memory due to abnormal image range on memory.
C-6718	Within the specified numbers of adjustments, the sub scan beam pitch does not fit the specified value.
C-6719	The scan operation was started before the tilt adjustment was complete.
C-6720	The scan operation was started before the centering adjustment was complete.	Printer control board (PRCB) Image processing board (IPB) I/F board (IFB) Scanner drive board (SCDB)
C-6721	Since the quantity of light of exposure lamp (L1) decreased, AGC was retried. Though no error occurred.	CCD board (CCDB) Image processing board (IPB) I/F board (IFB) Image memory control board (IMCB) Overall control board (OACB)
C-6722	PWM gamma curve was not properly prepared.	Printer control board (PRCB) Image processing board (IPB) TCR sensor/Y (TCRS/Y) TCR sensor/M (TCRS/M) TCR sensor/C (TCRS/C) TCR sensor/K (TCRS/K)
C-6723	Connection abnormality between CCD board (CCDB) and image processing board (IPB).	Main body stops immediately and main relay (RY1) is turned OFF. Image processing board (IPB) CCD board (CCDB) CCD wiring harness
C-6724	Failed to check the connection of scanning boards, when turned ON the sub power switch (SW2).	Image processing board (IPB) I/F board (IFB) Image memory control board (IMCB) Overall control board (OACB) Scanner drive board (SCDB) Printer control board (PRCB)
C-6725	Parameter settings could not be attained during scan preparation.	Image processing board (IPB) I/F board (IFB) Image memory control board (IMCB) Overall control board (OACB)
C-6801	After the sub power switch (SW2) is turned ON, communication between the printer control board (PRCB), overall control board (OACB), and operation board/1 (OB/1) is not started.	Printer control board (PRCB) Overall control board (OACB) Operation board/1 (OB/1)
C-7001	Communication error.	Main body and RU stop immediately and main relay (RY1) is turned OFF. Printer control board (PRCB) RU control board (RUCB)
C-8001	Communication error.	Main body stops immediately and main relay (RY1) is turned OFF. Printer control board (PRCB) DF control board (DFCB)
C-8101	Paper feed motor (M301) error.	DF control board (DFCB) Paper feed motor (M301)
C-8102	Conveyance motor (M302) error.	DF control board (DFCB) Conveyance motor (M302)
C-8103	Reverse/paper exit motor (M303) error.	DF control board (DFCB) Reverse/paper exit motor (M303)
C-8401	Registration sensor (PS301) error.	DF control board (DFCB) Registration sensor (PS301)
C-8402	Timing sensor (PS302) error.	DF control board (DFCB) Timing sensor (PS302)
C-8403	Reverse sensor (PS305) error.	DF control board (DFCB) Reverse sensor (PS305)
C-8404	Paper exit sensor (PS306) error.	Main body stops immediately and main relay (RY1) is turned OFF. DF control board (DFCB) Paper exit sensor (PS306)
C-8405	Size VR (VR301) error.	DF control board (DFCB) Size VR (VR301)
C-8406	Non-volatile memory error.	DF control board (DFCB)
C-8407	When the sub power switch (SW2) was ON, unwritten control program of DF control board (DFCB) was detected.	DF control board (DFCB)
C-C101	When the sub power switch (SW2) is ON, no response is received from the printer control board (PRCB) within the specified time.	Printer control board (PRCB) I/F board (IFB) Image memory control board (IMCB) Overall control board (OACB)
C-C102	Printer control board (PRCB) communication abnormality.	Printer control board (PRCB)
C-C103	Operation panel communication abnormality.	Operation board/1 (OB/1)
C-C104	When the sub power switch (SW2) was ON, unwritten range of ISW was detected in the printer control program or the VIF control program.	Printer control program VIF control program
C-C106	In the data transfer by ISW, regular header information cannot be received within the specified time.	Printer cable UBS cable PC parallel port PC USB port
C-C107	In the data transfer by ISW, check sum error or header error was detected in the downloaded data.	Printer cable UBS cable Program file abnormality
C-C108	When transferring data by ISW, data cannot be correctly written to flash ROM.	Printer cable UBS cable Program transferred board
C-C109	When turning the sub power switch (SW2) ON, ISW unwritten area in the FS program was detected.	FS control firmware
C-C111	When turning the sub power switch (SW2) ON, ISW unwritten area in the LS program was detected.	LS control firmware
C-C112	When turning the sub power switch (SW2) ON, ISW unwritten area in the LS program was detected.	LS control firmware
C-C113	When turning the sub power switch (SW2) ON, ISW unwritten area in the FD program was detected.	Main body stops immediately and main relay (RY1) is turned OFF. FD control firmware
C-C114	When turning the sub power switch (SW2) ON, ISW unwritten area in the SD program was detected.	SD control firmware
SD control firmware	When turning the sub power switch (SW2) ON, ISW unwritten area in the RU program was detected.	RU control firmware
C-C120	Firmware abnormality of the printer control board (PRCB)	Printer control firmware
C-D0E0	Hard disk initialization abnormality. Hard disk failure or improper connector connection.	Overall control board (OACB) Image memory control board (IMCB) Hard disk/C (HDD/C) Hard disk/M (HDD/M) Hard disk/Y (HDD/Y) Hard disk/K (HDD/K)
C-D0E1	Hard disk initialization abnormality. Hard disk failure or improper connector connection.	Hard disk/K (HDD/K)
C-D0E2	Hard disk/C (HDD/C) disconnected. Otherwise, either broken or during initialization.	Hard disk/C (HDD/C)
C-D0E3	Hard disk/K (HDD/K), /C (HDD/ C) disconnected. Otherwise, either broken or during initialization.	Hard disk/K (HDD/K) Hard disk/C (HDD/C)
C-D0E4	Hard disk/M (HDD/M) disconnected. Otherwise, either broken or during initialization.	Hard disk/M (HDD/M)
C-D0E5	Hard disk/K (HDD/K), /M (HDD/ M) disconnected. Otherwise, either broken or during initialization.	Hard disk/K (HDD/K) Hard disk/M (HDD/M)
C-D0E6	Hard disk/C (HDD/C), /M (HDD/ M) disconnected. Otherwise, either broken or during initialization.	Hard disk/C (HDD/C) Hard disk/M (HDD/M)
C-D0E7	Hard disk/K (HDD/K), /C (HDD/ C), /M (HDD/M) disconnected. Otherwise, either broken or during initialization.	Main body stops immediately and main relay (RY1) is turned OFF. Hard disk/K (HDD/K) Hard disk/C (HDD/C) Hard disk/M (HDD/M)
C-D0E8	Hard disk/Y (HDD/Y) disconnected. Otherwise, either broken or during initialization.	Hard disk/Y (HDD/Y)
C-D0E9	Hard disk/K (HDD/K), /Y (HDD/ Y) disconnected. Otherwise, either broken or during initialization.	Hard disk/K (HDD/K) Hard disk/Y (HDD/Y)
C-D0EA	Hard disk/C (HDD/C), /Y (HDD/ Y) disconnected. Otherwise, either broken or during initialization.	Hard disk/C (HDD/C) Hard disk/Y (HDD/Y)
C-D0EB	Hard disk/K (HDD/K), /C (HDD/ C), /Y (HDD/Y) disconnected. Otherwise, either broken or during initialization.	Hard disk/K (HDD/K) Hard disk/C (HDD/C) Hard disk/Y (HDD/Y)
C-D0EC	Hard disk/Y (HDD/Y), /M (HDD/ M) disconnected. Otherwise, either broken or during initialization.	Hard disk/Y (HDD/Y) Hard disk/M (HDD/M)
C-D0ED	Hard disk/K (HDD/K), /M (HDD/ M), /Y (HDD/Y) disconnected. Otherwise, either broken or during initialization.	Hard disk/K (HDD/K) Hard disk/M (HDD/M) Hard disk/Y (HDD/Y)
C-D0EE	Hard disk/C (HDD/C), /M (HDD/ M), /Y (HDD/Y) disconnected. Otherwise, either broken or during initialization.	Hard disk/C (HDD/C) Hard disk/M (HDD/M) Hard disk/Y (HDD/Y)
C-D0EF	Hard disk/K (HDD/K), /C (HDD/ C), /M (HDD/M), /Y (HDD/Y) disconnected. Otherwise, either broken or during initialization.	Hard disk/C (HDD/C) Hard disk/M (HDD/M) Hard disk/Y (HDD/Y) Hard disk/K (HDD/K)
C-D0F0	HDD password abnormality in security reinforcement mode. Password incorrect, password unset, or the security is OFF.
C-DC##	Trouble related to Security	Contact the responsible person of the KONICA MINOLTA before taking some countermeasure.
C-E001	Message cue was not enough or destructed.	Main body stops immediately and main relay (RY1) is turned OFF. Image processing board (IPB) I/F board (IFB) Image memory control board (IMCB) Program of overall control board (OACB)
C-E002	Parameter value exceeds allowable range.
C-E003	Message cue sender task has an undefined ID.
C-E004	Message receiving event is undefined.
C-E005	Abnormal access to memory.	Image processing board (IPB) I/F board (IFB) Image memory control board (IMCB) Overall control board (OACB)
C-E006	Header address scanning abnormality.
C-E007	Image memory (DRAM) initialization abnormality.
C-0102	Paper feed motor (M1) abnormality	Paper feed in LU cannot be used.
C-0103	Paper feed motor (M1) abnormality	Paper feed in PF cannot be used. Paper feed in tray 1 cannot be used.
C-0201	Paper lift motor /1 (M38) abnormality	Paper feed in tray 1 i cannot be used.
C-0202	Paper lift motor /2 (M39) abnormality	Paper feed in tray 2 cannot be used.
C-0203	Paper lift motor /3 (M40) abnormality	Paper feed in tray 3 cannot be used.
C-0204	Paper lift motor (M100) abnormality	Paper feed in LU cannot be used.
C-0208	Paper lift motor /1 (M2) abnormality	Paper feed in PF upper tray cannot be used.
C-0209	Power supply line fuse for the paper lift motor/1 (M2) blow out.
C-0211	Paper lift motor /2 (M3) abnormality	Paper feed in PF lower tray cannot be used.
C-0212	Power supply line fuse for the paper lift motor/2 (M3) blow out.
C-1102	Tray up down motor (M3) abnormality Main tray up down motor (M3) abnormality	The FS main tray, staple cannot be used.
C-1103	Alignment motor /Rr (M5), /Fr (M22) abnormality Alignment motor /Up (M5), /Lw (M16) abnormality
C-1104	Main tray paper exit motor (M7) abnormality Paper exit roller motor (M7) abnormality	The FS main tray, staple cannot be used.(the staple key and FS main tray options on the touch panel are grayed out.)
C-1105	Paper exit opening motor (M8) abnormality
C-1106	Stapler movement motor (M11) abnormality	Staple cannot be used.
C-1107	Stapler rotation motor (M4) abnormality Clincher rotation motor (M4) abnormality
C-1108	Stapler rotation motor (M4) abnormality Stapler rotation motor (M6) abnormality
C-1109	Stapler motor /Fr (M31) abnormality Stapler motor /Fr (M14) abnormality
C-1110	Stapler motor /Rr (M30) abnormality Stapler motor /Rr (M9) abnormality
C-1113	Rear stopper motor (M26) abnormality (FS-503) Saddle stitching stopper motor (M18) abnormality (FS-607)	The FS main tray, staple cannot be used.(the staple key and FS main tray options on the touch panel are grayed out.)
C-1114	Alignment motor /Lw (M16) abnormality (FS-607)	the saddle stitching, multi center folding, multi letter folding cannot be used.
C-1115	Folding knife motor (M19) abnormality (FS-607)	the saddle stitching, multi center folding, multi letter folding cannot be used. (FS is not connected)
C-1116	Folding transfer motor (M20) abnormality (FS-607)
C-1124	Tray lift motor /Lw (M202) abnormality	PI cannot be used. (PI is not connected)
C-1125	Tray lift motor /Up (M201) abnormality
C-1126	PI conveyance motor (M203) abnormality
C-1127	Punch shift motor (M302) abnormality	PK cannot be used. (PK is not connected)
C-1132	Punch motor (M301) abnormality
C-1140	Paper exit arm motor (M23) abnormality	The FS main tray, sstaple cannot be used.(the staple key and FS main tray options on the touch panel are grayed out.)
C-1141	Paddle motor (M2) abnormality
C-1142	Intermediate roller release solenoid (SD7) abnormality
C-1143	FNS conveyance motor (M1) abnormality	FS cannot be used. (FS is not connected)
C-1201 to 1206	LS abnormality (first coupling)	The first coupled LS cannot be used.
C-1211 to 1216	LS abnormality (second coupling)	The 2nd coupled LS cannot be used.
C-1221	1st folding abnormality	Folding/punching section cannot be used.
C-1222	2nd folding abnormality
C-1223	3rd folding abnormality
C-1224	2 holes punch drive abnormality
C-1225	3 holes/4 holesdrive abnormality
C-1226	Alignment motor (M12) abnormality
C-1227	Punch registration motor (M13) abnormality
C-1228	Tray up down motor (M11) abnormality	The main tray cannot be used.
C-1229	Tray up down motor (M11) abnormality
C-1230	Paper lift motor /Up (M8) abnormality	PI section cannot be used.
C-1231	Paper lift motor /Lw (M9) abnormality
C-1234	PI conveyance motor (M7) abnormality
C-1241	Bundle exit drive motor (M5) abnormality	The saddle stitching, multi center folding and trimmer cannot be used.
C-1242	Folding main scan alignment motor /Fr (M7) abnormality.	The saddle stitching, multi center folding, multi letter folding and trimmer cannot be used.
C-1243	Folding sub scan alignment exit motor (M8) abnormality.
C-1244	Saddle stitching alignment motor /Rt (M9) abnormality.	The saddle stitching, multi center folding and trimmer cannot be used.
C-1245	Bundle arm motor (M10) abnormality.
C-1246	Bundle clip motor (M11) abnormality.
C-1247	Bundle registration motor (M12) abnormality.
C-1248	Overlap motor (M13) abnormality.	The saddle stitching, multi center folding, multi letter folding and trimmer cannot be used.
C-1249	Folding main scan alignment motor /Rr (M14) abnormality.
C-1250	Stapler movement motor (M15) abnormality.	The saddle stitching, multi center folding and trimmer cannot be used.
C-1251	Saddle stitching alignment motor /Lt M16) abnormality.
C-1252	Bundle press movement motor (M17) abnormality.
C-1253	1st folding blade motor (M18) abnormality.	The saddle stitching, multi center folding, multi letter folding and trimmer cannot be used.
C-1254	2nd folding blade motor (M19) abnormality.	The multi letter folding cannot be used.
C-1255	Clincher up down motor (M20) abnormality.	The saddle stitching, multi center folding and trimmer cannot be used.
C-1256	Saddle stitching press motor (M21) abnormality
C-1257	Bundle arm rotation motor (M22) abnormality.
C-1258	Bundle press motor (M23) abnormality.
C-1259	Bundle press stage up down motor (M24) abnormality.
C-1260	Guide shaft motor (M25) abnormality.
C-1261	Stapler motor /Rt (M29) abnormality.
C-1262	Stapler motor /Lt (M30) abnormality.	The Saddle stitching and trimmer cannot be used.
C-1263	Trimmer blade motor (M31) abnormality.	The trimmer cannot be used.
C-1264	Trimmer press motor (M32) abnormality.	The saddle stitching, multi center folding and trimmer cannot be used.
C-1265	Bundle arm assist motor (M26) abnor-mality
C-1267	Horizontal conveyance motor (M2) abnormality.	Sub tray, rear paper exit and FS cannot be used.
C-1268	Folding entrance motor (M3) abnormality.	The saddle stitching, multi center folding, multi letter folding and trimmer cannot be used.
C-1269	Folding conveyance motor (M4) abnormality.
C-1270	Bundle exit motor (M5) abnormality.	The saddle stitching, multi center folding and trimmer cannot be used.
C-1271	Folding sub scan alignment exit motor (M8) abnormality.	the saddle stitching, multi center folding, multi letter folding and trimmer cannot be used.
C-1301 to 302	LS abnormality (first coupling)	The first coupled LS cannot be used.
C-1306 to 307	LS abnormality (second coupling)	The 2nd coupled LS cannot be used.
C-1311	Scraps removal fan motor (FM1) abnormality.	The trimmer cannot be used.
C-1330	Cover paper tray fan /1 drive abnormality	Paper feed from the PB is unavailable.
C-1331	Cover paper tray fan /2 drive abnormality
C-1332	Exhaust fan drive abnormality	Ejecting onto the sub tray is possible.
C-1333	Exhaust fan /2 drive abnormality
C-1334	Pellet supply cooling fan motor drive abnormality
C-1501	Entrance conveyance drive abnormality	The use of the PB is unavailable
C-1502	Intermediate conveyance drive abnormality	Ejecting onto the sub tray is possible.
C-1504	SC entrance conveyance drive abnormality
C-1505	SC switchback conveyance drive abnormality
C-1506	SC switchback roller release drive abnormality
C-1507	SC alignment drive abnomality
C-1508	SC paper detection conveyance drive abnormality
C-1509	SC roller release drive abnormality
C-1510	SC clamp entrance movement drive abnomality
C-1511	SC clamp entrance roller release drive abnormality
C-1512	Clamp alignment drive abnormality
C-1513	Clamp open/close drive abnormality
C-1514	Clamp rotation drive abnormality
C-1515	Glue tank movement drive abnormality
C-1516	Glue apply roller rotation drive abnormality
C-1518	Pellet supply arm drive abnormality
C-1519	Up/down cover paper alignment drive abnormality
C-1520	Up/down cover paper book paper exit drive abnormality
C-1521	Driven arm /Rt drive abnormality
C-1522	Driven arm /Lt drive abnormality
C-1523	Up/down cover paper conveyance drive abnormality
C-1524	Up/down cover paper/Fr up/down drive abnormality
C-1525	Up/down cover paper/Rr up/down drive abnormality
C-1526	Cover paper folding board /Rt drive abnormality
C-1527	Cover paper folding board /Lt drive abnormality	Ejecting onto the sub tray is possible.
C-1528	Cover paper trimming cutter drive abnormality
C-1530	Carriage belt drive abnormality
C-1531	Carriage size movement drive abnormality
C-1532	Carriage up/down drive abnormality
C-1533	Book movement drive abnormality
C-1534	Book stopper drive abnormality
C-1537	Cover paper tray up/down drive abnomality	Paper feed from the PB is unavailable.
C-1538	Cover page conveyance drive abnormality
C-1540	Warming-up abnormality Glue tank middle temperature abnormality	The use of the PB is unavailable
C-1541	Warming-up abnormality Glue tank low temperature abnormality
C-1542	Warming-up abnormality Glue apply roller temperature abnormality
C-1543	Glue supply abnormality Glue tank high temperature abnormallity
C-1544	Heater continuous energization abnormality Glue tank middle temperature abnormality
C-1545	Heater continuous energization abnormality Glue tank low temperature abnormality
C-1546	Heater continuous energization abnormality Glue apply roller temperature abnormality
C-1547	High temperature abnormality Glue apply roller temperature abnormality
C-1548	High temperature abnormality Glue tank high temperature abnormallity
C-1549	High temperature abnormality Glue tank middle temperature abnormality
C-1550	High temperature abnormality Glue tank low temperature abnormality	The use of the PB is unavailable
C-1551	High temperature abnormality Glue apply roller temperature abnormality
C-1552	High temperature abnormality Glue tank high temperature abnormallity
C-1553	High temperature abnormality Glue tank middle temperature abnormality
C-1554	High temperature abnormality Glue tank low temperature abnormality
C-1555	High temperature abnormality Glue apply roller temperature abnormality
C-1556	Low temperature abnormality Glue tank high temperature abnormallity
C-1557	Low temperature abnormality Glue tank middle temperature abnormality
C-1558	Low temperature abnormality Glue tank low temperature abnormality
C-1559	Low temperature abnormality Glue apply roller temperature abnormality
C-1560	Low temperature abnormality Glue tank high temperature abnormallity
C-1561	Low temperature abnormality Glue tank middle temperature abnormality
C-1562	Low temperature abnormality Glue tank low temperature abnormality
C-D0E0	Hard disk initialization abnormality.	HDD cannot be used. (HDD is not connected)

Phân Loại	Mã lỗi	Nguyên nhân	Điều Hướng (kythuatmayin.vn)
Main body: Communication error	C-0001	Communication error between the printer control board (PRCB) and the PF drive board (PFDB) or LU drive board (LUDB).	• Printer control board (PRCB) • PF drive board (PFDB) • LU drive board (LUDB)
	C-0002	Communication error between the printer control board (PRCB) and the conveyance drive board (CDB).	• Printer control board (PRCB) • Conveyance drive board (CDB) (kythuatmayin.vn)
(kythuatmayin.vn)	C-0003	Communication error between the printer control board (PRCB) and the conveyance drive board (CDB).	• Printer control board (PRCB) • Conveyance drive board (CDB)
Main body: Paper feed motor abnormality	C-0101	An error detection signal of M41 is detected continuously for a specified period of time while the paper feed motor (M41) is ON.	• Printer control board (PRCB) • Paper feed motor (M41)
LU: LU paper feed motor abnormality	C-0102	An error detection signal of M1 is detected continuously for a specified period of time while the paper feed motor (M1) is ON.	• LU drive board (LUDB) • Paper feed motor (M1) • Interlock switch /1 (MS1), /2 (MS2) • Upper door sensor (PS100), front door sensor (PS115)
PF: PF paper feed motor abnormality	C-0103	An error detection signal of M1 is detected continuously for a specified period of time while the paper feed motor (M1) is ON.	PF drive board (PFDB) • Paper feed motor (M1) • Front door open/close switch (SW1) • Front door open/close sensor (PS23)
Main body: Paper feed tray abnormality	C-0201	The upper limit sensor /1 (PS30) does not turn ON within a specified period of time after the paper lift motor /1 (M38) turns ON.	• Printer control board (PRCB) • Paper lift motor /1 (M38) • Upper limit sensor /1 (PS30) • Pick-up solenoid /1 (SD7)
Main body: Paper feed tray abnormality	C-0202	The upper limit sensor /2 (PS36) does not turn ON within a specified period of time after the paper lift motor /2 (M39) turns ON.	• Printer control board (PRCB) • Paper lift motor /2 (M39) • Upper limit sensor /2 (PS36) • Pick-up solenoid /2 (SD8) (kythuatmayin.vn)
Main body: Paper feed tray abnormality	C-0203	The upper limit sensor /3 (PS42) does not turn ON within a specified period of time after the paper lift motor /3 (M40) turns ON.	• Printer control board (PRCB) • Paper lift motor /3 (M40) • Upper limit sensor /3 (PS42) • Pick-up solenoid /3 (SD9)
LU: LU lift motor abnormality	C-0204	A lock signal of M100 is detected while the paper lift motor (M100) is ON.	• LU drive board (LUDB) • Upper limit sensor (PS109) • Paper lift motor (M100)
LU: LU lift motor abnormality	C-0205	A lock signal of M100 is detected while the paper lift motor (M100) is ON.	• LU drive board (LUDB) • Paper lift motor (M100) • Upper limit sensor (PS109)
PF: Paper lift motor abnormality	C-0208	The upper limit sensor /1 (PS1) does not turn ON within a specified period of time after the paper lift motor /1 (M2) turns ON.	• PF drive board (PFDB) • Paper lift motor /1 (M2) • Upper limit sensor /1 (PS1)
PF: Paper lift motor abnormality	C-0209	Power supply line fuse for the paper lift motor /1 (M2) blows out.	• PF drive board (PFDB) • Paper lift motor /1 (M2)
PF: Paper lift motor abnormality	C-0211	The upper limit sensor /2 (PS9) does not turn ON within a specified period of time after the paper lift motor /2 (M3) turns ON.	• PF drive board (PFDB) • Paper lift motor /2 (M3) • Upper limit sensor /2 (PS9)
PF: Paper lift motor abnormality	C-0212	Power supply line fuse for the paper lift motor /2 (M3) blows out.	• PF drive board (PFDB) • Paper lift motor /2 (M3)
Main body: Paper exit abnormality	C-0213	The paper exit pressure home sensor (PS10) does not turn ON within a specified period of time after it turns OFF.	• AC drive board (ACDB) • Printer control board (PRCB) • Paper exit motor (M54) • Paper exit pressure sensor (PS10)
Main body: Fan abnormality	C-0301*	An error detection signal of FM47 is detected continuously for a specified period of time while the main body fan (FM47) is ON.	• Printer control board (PRCB) • Main body fan (FM47)
Main body: Fan abnormality	C-0302*	An error detection signal of any of FM26 or FM28 is detected continuously for a specified period of time while the tucking fan /1 (FM26) and /3 (FM28) are ON.	• Printer control board (PRCB) • Tucking fan /1 (FM26) • Tucking fan /3 (FM28)
	C-0303	An error detection signal of FM66 is detected continuously for a specified period of time while ADU cooling fan /1 (FM66) is ON.	Conveyance drive board (CDB) • ADU cooling fan /1 (FM66)
(kythuatmayin.vn)	C-0304*	An error detection signal of any of FM61, FM62 or FM63 is detected continuously for a specified period of time while the paper exit cooling fans /1 (FM61), /2 (FM62) and /3 (FM63) are ON.	• Printer control board (PRCB) • Paper exit fan /1 (FM61) • Paper exit fan /2 (FM62) • Paper exit fan /3 (FM63)
	C-0305*	An error detection signal of FM36 is detected continuously for a specified period of time while the deodorization fan (FM36) is ON.	• Printer control board (PRCB) • Deodorization fan (FM36)
LU: LU fan abnormality	C-0306	An error detection signal of FM1 is detected continuously for a specified period of time while the paper feed assist fan /Fr (FM1) is ON.	• LU drive board (LUDB) • Paper feed assist fan /Fr (FM1)
LU: LU fan abnormality	C-0307	An error detection signal of FM2 is detected continuously for a specified period of time while the paper feed assist fan /Rr (FM2) is ON.	• LU drive board (LUDB) • Paper feed assist fan /Rr (FM2)
PF: PF fan abnormality	C-0308	An error detection signal of FM1 is detected continuously for a specified period of time while the paper feed assist fan /Fr11 (FM1) is ON.	• PF drive board (PFDB) • Paper feed assist fan / Fr11 (FM1)
PF: PF fan abnormality	C-0309	An error detection signal of FM3 is detected continuously for a specified period of time while the paper feed assist fan /Fr12 (FM3) is ON.	• PF drive board (PFDB) • Paper feed assist fan / Fr12 (FM3)
	C-0310	An error detection signal of FM2 is detected continuously for a specified period of time while the paper feed assist fan /Rr11 (FM2) is ON.	• PF drive board (PFDB) • Paper feed assist fan / Rr11 (FM2)
	C-0311	An error detection signal of FM4 is detected continuously for a specified period of time while the paper feed assist fan /Rr12 (FM4) is ON.	• PF drive board (PFDB) • Paper feed assist fan / Rr12 (FM4)
	C-0312	An error detection signal of FM5 is detected continuously for a specified period of time while the paper feed assist fan /Fr21 (FM5) is ON.	• PF drive board (PFDB) • Paper feed assist fan / Fr21 (FM5)
	C-0313	An error detection signal of FM7 is detected continuously for a specified period of time while the paper feed assist fan /Fr22 (FM7) is ON.	• PF drive board (PFDB) • Paper feed assist fan / Fr22 (FM7)
	C-0314	An error detection signal of FM6 is detected continuously for a specified period of time while the paper feed assist fan /Rr21 (FM6) is ON.	• PF drive board (PFDB) • Paper feed assist fan / Rr21 (FM6)
	C-0315	An error detection signal of FM8 is detected continuously for a specified period of time while the paper feed assist fan /Rr22 (FM8) is ON.	• PF drive board (PFDB) • Paper feed assist fan / Rr22 (FM8)
(kythuatmayin.vn)	C-0316	An error detection signal of any of FM11 or FM12 is detected continuously for a specified period of time while the dehumidifier fans /1 (FM11) and /2 (FM12) are ON.	PF drive board (PFDB) • Dehumidifier fan /1 (FM11) • Dehumidifier fan /2 (FM12)
	C-0317	An error detection signal of any of FM13 or FM14 is detected continuously for a specified period of time while the dehumidifier fans /3 (FM13) and /4 (FM14) are ON.	• PF drive board (PFDB) • Dehumidifier fan /3 (FM13) • Dehumidifier fan /4 (FM14)
	C-0318	An error detection signal of any of FM10 or FM9 is detected continuously for a specified period of time while the ventilation fan /1 (FM10) and /2 (FM9) are ON.	• PF drive board (PFDB) • Ventilation fan /1 (FM10) • Ventilation fan /2 (FM9)
LU: LU fan abnormality	C-0320	An error detection signal of FM3 is detected continuously for a specified period of time while the dehumidifier fan / 1 (FM3) is ON.	• LU drive board (LUDB) • Dehumidifier fan /1 (FM3)
LU: LU fan abnormality	C-0321	An error detection signal of FM4 is detected continuously for a specified period of time while the dehumidifier fan / 2 (FM4) is ON.	• LU drive board (LUDB) • Dehumidifier fan /2 (FM4)
Main body: Fan abnormality	C-0322	An error detection signal of FM67 is detected continuously for a specified period of time while ADU cooling fan /2 (FM67) is ON.	• Conveyance drive board (CDB) • ADU cooling fan /2 (FM67)
Main body: Fan abnormality	C-0322	An error detection signal of FM67 is detected continuously for a specified period of time while ADU cooling fan /2 (FM67) is ON.	• Conveyance drive board (CDB) • ADU cooling fan /2 (FM67)
Main body: Fan abnormality	C-0323*	An error detection signal of FM62 is detected continuously for a specified period of time while the paper exit fan /2 (FM62) is ON.	• Paper exit fan /2 (FM62) • Printer control board (PRCB)
Main body: Fan abnormality	C-0324*	An error detection signal of FM63 is detected continuously for a specified period of time while the paper exit fan /3 (FM63) is ON.	• Paper exit fan /3 (FM63) • Printer control board (PRCB)
LU: LU power source abnormality	C-0401	24VDC is not supplied to LU.	• LU drive board (LUDB) • DC power supply /2 (DCPS/2)
LU: LU power source abnormality	C-0402	12VDC is not supplied to LU.	• LU drive board (LUDB) • DC power supply /1 (DCPS1)
PF: PF power source abnormality	C-0403	24VDC is not supplied to PF.	• PF drive board (PFDB) • DC power supply /2 (DCPS2)
PF: PF power source abnormality	C-0404	24VDC is not supplied to PF.	• PF drive board (PFDB) • DC power supply /2 (DCPS2)
PF: PF power source abnormality	C-0405	12VDC is not supplied to PF.	• PF drive board (PFDB) • DC power supply /1 (DCPS1)
PF: PF power source abnormality	C-0406	24VDC is not supplied to PF.	• PF drive board (PFDB) • DC power supply /2 (DCPS2)
PF: PF Tray 1 Heater high temperature hardware detection abnormality	C-0407	24V power source abnormal signal is detected	• PF drive board (PFDB) • Temperature sensor /3 (TEMS/3) • AC drive board (ACDB) in PF
PF: PF Tray 2 Heater high temperature hardware detection abnormality	C-0408	24V power source abnormal signal is detected.	• PF drive board (PFDB) • Temperature sensor /4 (TEMS/4) • AC drive board (ACDB) in PF
PF: PF fan heater abnormality	C-0409	Fan heater /Up (DH3) high temperature abnormality The temperature sensor /3 (TEMS/3) detects the prescribed or higher value continuously for a specified period of time.	• PF drive board (PFDB) • AC drive board in PF (ACDB) • Fan heater /Up (DH3) • Temperature sensor /3 (TEMS/3) • Dehumidifier fans /1 (FM11) and /2 (FM12)
PF: PF fan heater abnormality	C-0410	Fan heater /Lw (DH4) high temperature abnormality The temperature sensor /4 (TEMS/4) detects the prescribed or higher value continuously for a specified period of time.	PF drive board (PFDB) • AC drive board in PF (ACDB) • Fan heater /Lw (DH4) • Temperature sensor /4 (TEMS/4) • Dehumidifier fans /3 (FM13) and /4 (FM14)
PF: PF fan heater abnormality	C-0411	Fan heater /Up (DH3) low temperature abnormality The temperature sensor /3 (TEMS/3) detects the prescribed or lower value continuously for a specified period of time.	• PF drive board (PFDB) • AC drive board in PF (ACDB) • Fan heater /Up (DH3) • Temperature sensor /3 (TEMS/3)
PF: PF fan heater abnormality (kythuatmayin.vn)	C-0412	Fan heater /Lw (DH4) low temperature abnormality The temperature sensor /4 (TEMS/4) detects the prescribed or lower value continuously for a specified period of time.	• PF drive board (PFDB) • AC drive board in PF (ACDB) • Fan heater /Lw (DH4) • Temperature sensor /4 (TEMS/4) (kythuatmayin.vn)
PF: PF fan heater abnormality	C-0413	Fan heater /Up (DH3) temperature rise abnormality The temperature detected by the temperature sensor /3 (TEMS/3) has not risen to a prescribed level within a specified period of time.	• PF drive board (PFDB) • AC drive board in PF (ACDB) • Fan heater /Up (DH3) • Temperature sensor /3 (TEMS/3)
PF: PF fan heater abnormality	C-0414	Fan heater /Lw (DH4) temperature rise abnormality The temperature detected by the temperature sensor /4 (TEMS/4) has not risen to a prescribed level within a specified period of time.	• PF drive board (PFDB) • AC drive board in PF (ACDB) • Fan heater /Lw (DH4) • Temperature sensor /4 (TEMS/4)
LU: LU temperature sensor abnormality	C-0415	The temperature sensor /2 (TEMS2) detects an error detection signal continuously for a specified period of time. (Hardware detection)	• LU drive board (LUDB) • Dehumidification heater /3 (DH2) • Temperature sensor /2 (TEMS2) • AC Drive Assy • Main body AC drive board (ACDB)
LU: LU dehumidifier heater abnormality	C-0416	Dehumidifier heater /3 (DH2) high temperature abnormality The temperature sensor /2 (TEMS2) detects the prescribed or higher value continuously for a specified period of time. (Software detection)	• LU drive board (LUDB) • Dehumidification heater /3 (DH2) • Temperature sensor /2 (TEMS2) • AC drive assy • Main body AC drive board (ACDB)
LU: LU dehumidifier heater abnormality	C-0417	Dehumidifier heater /3 (DH2) low temperature abnormality The temperature sensor (TEMS) detects the prescribed or lower value continuously for a specified period of time.	• LU drive board (LUDB) • AC Drive Assy • Main body AC drive board (ACDB) • Dehumidification heater /3 (DH2) • Temperature sensor /2 (TEMS2)
LU: LU dehumidifier heater abnormality	C-0418	Dehumidifier heater /3 (DH2) temperature rise abnormality The temperature detected by the temperature sensor (TEMS) has not risen to a prescribed level within a specified period of time.	• LU drive board (LUDB) • Main body AC drive board (ACDB) • Dehumidification heater /3 (DH2) • Temperature sensor /2 (TEMS2) • AC drive assy
FS: FS abnormality	C-1005	Communication error.	• Printer control board (PRCB) • FNS control board (FNSCB)
FD: FD abnormality	C-1006	Communication error.	• Printer control board (PRCB) • FD control board (FDCB)
SD: SD-506 abnormality	C-1007	Communication error.	• Printer control board (PRCB) • SD control board (SDCB)
PB: PB abnormality	C-1009	Communication error between Main CPU in the PB control board (PBCB) and Sub CPU1.	• PB control board (PBCB) • Control program
PB: PB abnormality	C-1010	Communication error between Main CPU in the PB control board (PBCB) and Sub CPU2.	• PB control board (PBCB) • Control program
PB control board (PBCB)	C-1011	Paper feed error between the main body and PB.	• PB control board (PBCB) • Control program
GP : GP-501 abnormality	C-1012	Communication abnormality	• Printer control board (PRCB) • Punch Controller PCB
RU: RU-509 abnormality	C-1013	Communication error.	• Printer control board (PRCB) • RU control board (RUCB
RU : RU-506 abnormality	C-1014	Communication abnormality	• Printer control board (PRCB) • RU control board (RUCB)
FS: FS-531/612 abnormality	C-1101 (FS-531/612	The shift unit does not get to the shift position or the home position within a specified period of time.	• FNS control board (FNSCB) • Shift roller motor (M2) • Shift roller home sensor (PS18)
FS: FS-521 abnormality	C-1102 (FS-521)	The tray up down motor (M3) does not turn OFF even when a specified period of time elapses after it starts operations. Or, it operates for more than the allowed time at a speed out of the specified one.	• FNS control board (FNSCB) • FNS drive board (FNSDB) • Main tray up down motor (M3) • Main tray upper limit sensor (PS2) • Main tray lower limit sensor (PS3)
FS: FS-531/612 abnormality	C-1102 (FS-531/612	The main tray upper limit sensor (PS2) does not turn ON within a specified period of time after the main tray up down motor (M3) turns ON.	• FNS control board (FNSCB) • Main tray up down motor (M3) • Main tray upper limit sensor (PS2)
FS: FS-521 abnormality	C-1103 (FS-521)	The alignment home sensors /Rr (PS8) and /Fr (PS31) do not turn ON within a specified period of time after the home position search operation of the alignment motors / Rr (M5) and /Fr (M22) starts.	• FNS control board (FNSCB) • FNS drive board (FNSDB) • Alignment motor /Rr (M5) • Alignment motor /Fr (M22) • Alignment home sensor /Rr (PS8) • Alignment home sensor /Fr (PS31)
FS: FS-531/612 abnormality	C-1103 (FS-531/612	The alignment home sensor /Up (PS8) does not turn ON or OFF within a specified period of time after the alignment motor (M5) turns ON.	• Relay board (RB) • Alignment motor /Up (M5) • Alignment home sensor /Up (PS8)
FS: FS-521 abnormality	C-1104 (FS-521)	The main tray paper exit motor (M7) operates for more than the allowed time at a speed out of the specified one.	• FNS control board (FNSCB) • FNS drive board (FNSDB) • Main tray exit motor (M7)
FS: FS-531/612 abnormality	C-1104 (FS-531/612	A prescribed speed is not obtained within a specified period of time after the paper exit roller motor (M7) turns ON.	• FNS control board (FNSCB) • Paper exit roller motor (M7)
FS: FS-521 abnormality	C-1105 (FS-521)	The paper exit opening unit does not get to the specified opening position within a specified period of time after the paper exit opening motor (M8) starts operations.	• FNS control board (FNSCB) • Paper exit opening motor (M8) • Paper exit opening home sensor (PS12)
FS: FS-531/612 abnormality	C-1105 (FS-531/612	The paper exit home sensor (PS12) does not turn ON or OFF within a specified period of time after the paper exit opening motor (M8) turns ON.	• FNS control board (FNSCB) • Paper exit opening motor (M8) • Paper exit home sensor (PS12)
FS: FS-521 abnormality	C-1106 (FS-521)	The stapler movement home sensor (PS11) does not turn ON within a specified period of time after the home position search operation of the stapler movement motor (M11) starts	• FNS control board (FNSCB) • FNS drive board (FNSDB) • Stapler movement motor (M11) • Stapler movement home sensor (PS11)
FS: FS-531/612 abnormality	C-1106 (FS-531/612	The Stapler movement home sensor (PS11) does not turn ON within a specified period of time after the stapler movement motor (M11) turns ON.	• Relay board (RB) • Stapler movement motor (M11) • Stapler movement home sensor (PS11)
FS: FS-521 abnormality (skew rotation)	C-1107 (FS-521)	The stapler rotation home sensor (PS14) does not turn ON within a specified period of time after the home position search operation of the stapler rotation motor (M4) starts.	• FNS control board (FNSCB) • FNS drive board (FNSDB) • Stapler rotation motor (M4) • Stapler rotation home sensor (PS14)
FS: FS-612 abnormality	C-1107 (FS-612)	The clincher rotation home sensor (PS14) does not turn ON or OFF within a specified period of time after the clincher rotation motor (M4) turns ON.	• Relay board (RB) • Clincher rotation motor (M4) • Clincher rotation home sensor (PS14)
FS: FS-521 abnormality (vertical rotation)	C-1108 (FS-521)	The stapler rotation home sensor (PS14) does not turn ON within a specified period of time after the home position search operation of the stapler rotation motor (M4) starts.	• FNS control board (FNSCB) • FNS drive board (FNSDB) • Stapler rotation motor (M4) • Stapler rotation home sensor (PS14)
FS: FS-612 abnormality	C-1108 (FS-612)	The stapler rotation home sensor (PS13) does not turn ON within a specified period of time after the stapler rotation motor (M6) turns ON.	• Relay board (RB) • Stapler rotation motor (M6) • Stapler rotation home sensor (PS13)
FS: FS-521 abnormality	C-1109 (FS-521)	After the stapler motor /Fr (M31) starts operations, it does not complete operations within a specified period of time, and the stapler home sensor /Fr (PS41) does not turn ON.	• FNS control board (FNSCB) • FNS drive board (FNSDB) • Stapler board (SB) • Stapler motor /Fr (M31) • Stapler home sensor /Fr (PS41)
FS: FS-531/612 abnormality	C-1109 (FS-531/612	The stapler motor home sensor /Fr (PS31) does not turn ON within a specified period of time after the stapler motor /Fr (M14) turns ON.	• Relay board (RB) • Stapler motor /Fr (M14) • Stapler motor home sensor /Fr (PS31)
FS: FS-521 abnormality	C-1110 (FS-521)	After the stapler motor /Rr (M30) starts operations, it does not complete operations within a specified period of time, and the stapler home sensor /Rr (PS40) does not turn ON.	• FNS control board (FNSCB) • FNS drive board (FNSDB) • Stapler board (SB) • Stapler motor /Rr (M30) • Stapler home sensor /Rr (PS40)
FS: FS-531/612 abnormality	C-1110 (FS-531/612	The stapler motor home sensor /Rr (PS30) does not turn ON within a specified period of time after the stapler motor /Rr (M9) turns ON.	Relay board (RB) • Stapler motor /Rr (M9) • Stapler motor home sensor /Rr (PS30)
FS: FS-612 abnormality	C-1111 (FS-612)	The clincher motor home sensor /Fr (PS33) does not turn ON within a specified period of time after the clincher motor /Fr (M15) turns ON.	• Relay board (RB) • Clincher motor /Fr (M15) • Clincher motor home sensor /Fr (PS33)
FS: FS-612 abnormality	C-1112 (FS-612)	The clincher motor home sensor /Rr (PS32) does not turn ON within a specified period of time after the clincher motor /Rr (M10) turns ON.	• Relay board (RB) • Clincher motor /Rr (M10) • Clincher motor home sensor /Rr (PS32)
FS: FS-521 abnormality	C-1113 (FS-521)	After the home position search operation of the rear stopper motor (M26) starts, the rear stopper home sensor (PS35) does not turn ON within a specified period of time.	• FNS control board (FNSCB) • FNS drive board (FNSDB) • Rear stopper motor (M26) • Rear stopper home sensor (PS35)
FS: FS-612 abnormality	C-1113 (FS-612)	After the home position search operation of saddle stitching stopper motor (M18) starts, the saddle stitching stopper home sensor (PS23) does not turn ON within a specified period of time.	• Relay board (RB) • Saddle stitching stopper motor (M18) • Saddle stitching stopper home sensor (PS23)
FS: FS-612 abnormality	C-1113 (FS-612)	After the home position search operation of saddle stitching stopper motor (M18) starts, the saddle stitching stopper home sensor (PS23) does not turn ON within a specified period of time.	• Relay board (RB) • Saddle stitching stopper motor (M18) • Saddle stitching stopper home sensor (PS23)
FS: FS-612 abnormality	C-1114 (FS-612)	The alignment home sensor /Lw (PS24) does not turn ON within a specified period of time after the alignment motor / Lw (M16) turns ON.	• Relay board (RB) • Alignment motor /Lw (M16) • Alignment home sensor /Lw (PS24)
FS: FS-612 abnormality	C-1115 (FS-612)	The folding knife home sensor (PS22) does not turn ON within a specified period of time after the folding knife motor (M19) turns ON.	• Relay board (RB) • Folding knife motor (M19) • Folding knife home sensor (PS22)
FS: FS-612 abnormality	C-1116 (FS-612)	A prescribed speed is not obtained within a specified period of time after the folding transfer motor (M20) turns ON.	• Relay board (RB) • Folding transfer motor (M20)
PI: PI abnormality	C-1124	The tray upper limit sensor /Lw (PS209) or the tray lower limit sensor /Lw (PS210) does not turn ON within a specified period of time after the Tray lift motor /Lw (M202) turns ON.	• FNS control board (FNSCB) • PI drive board (PIDB) • Tray lift motor /Lw (M202) • Tray upper limit sensor / Lw (PS209) • Tray lower limit sensor / Lw (PS210)
	C-1125	The tray upper limit sensor /Up (PS205) or the tray lower limit sensor /Up (PS204) does not turn ON within a specified period of time after the tray lift motor /Up (M201) turns ON.	• FNS control board (FNSCB) • PI drive board (PIDB) • Tray lift motor /Up (M201) • Tray upper limit sensor / Up (PS205) • Tray lower limit sensor / Up (PS204)
(kythuatmayin.vn)	C-1126	A prescribed speed is not obtained within a specified period of time after the conveyance motor (M203) turns ON.	• FNS control board (FNSCB) • PI drive board (PIDB) • Conveyance motor (M203)
PK: PK abnormality	C-1127	The punch shift home sensor (PS303) does not turn ON within a specified period of time after the punch shift motor (M302) turns ON.	• FNS control board (FNSCB) • Punch drive board (PDB) • Punch shift motor (M302) • Punch shift home sensor (PS303)
PK: PK abnormality	C-1132	The punch home sensor (PS301) does not turn ON within a specified period of time after the punch motor (M301) turns ON.	• FNS control board (FNSCB) • Punch drive board (PDB) • Punch motor (M301) • Punch home sensor (PS301)
FS: FS-531/612 abnormality	C-1137 (FS-531/612	The gate home sensor (PS16) does not turn ON within a specified period of time after the gate motor (M12) turns ON.	• FNS control board (FNSCB) • Gate motor (M12) • Gate home sensor (PS16)
FS: FS-521 abnormality	C-1140 (FS-521)	After the paper exit arm motor /Fr (M23) starts operations, it does not complete operations within a specified period of time, and the paper exit arm home sensor /Fr (PS9) does not turn ON. Or, it operates for more than the allowed time at a speed out of the specified one.	• FNS control board (FNSCB) • FNS drive board (FNSDB) • Paper exit arm motor (M23) • Paper exit arm home sensor (PS9)
FS: FS-521 abnormality	C-1141 (FS-521)	The stack assist home sensor (PS32) does not turn ON within a specified period of time after the home position search operation of the stack assist motor (M24) starts.	• FNS control board (FNSCB) • FNS drive board (FNSDB) • Stack assist guide motor (M24) • Stack assist home sensor (PS32)
FS: FS-521 abnormality	C-1142 (FS-521)	The intermediate roller home sensor (PS33) does not turn ON even after a specified period of time after the intermediate roller open/close motor (M25) starts the home position search operation.	• FNS control board (FNSCB) • FNS drive board (FNSDB) • Alignment motor /Fr (M22) • Alignment motor /Rr (M5) • Intermediate roller release solenoid (SD7)
FS: FS-521 abnormality	C-1143 (FS-521)	The conveyance motor (M1) does not turn ON when the start button is turned ON. Or the conveyance motor (M1) does not shift the speed for each processing.	• FNS control board (FNSCB) • Conveyance motor (M1) • Paper exit sensor (PS37) • FNS entrance sensor (PS4)
	C-1144 (FS-521)	The paper exit alignment plate home sensor /Fr (PS18) does not turn ON within a specified period of time after the paper exit alignment motor /Fr (M15) starts the home position search operation. Or, even after a specified period of time after M15 starts the operation, it does not stop.	• FNS control board (FNSCB) • FNS drive board (FNSDB) • Paper exit alignment motor /Fr (M15) • Paper exit alignment plate home sensor /Fr (PS18)
	C-1145 (FS-521)	The paper exit alignment plate home sensor /Rr (PS19) does not turn ON within a specified period of time after the paper exit alignment motor /Rr (M14) starts the home position search operation. Or, even after a specified period of time after M14 starts the operation, it does not stop.	FNS control board (FNSCB) • FNS drive board (FNSDB) • Paper exit alignment motor /Rr (M14) • Paper exit alignment plate home sensor /Rr (PS19)
(kythuatmayin.vn)	C-1146 (FS-521)	The bypass roller release home sensor (PS13) does not turn ON within a specified period of time after the bypass roller release motor (M12) starts the home position search operation. Or, even after a specified period of time after M12 starts the operation, it does not stop.	• FNS control board (FNSCB) • FNS drive board (FNSDB) • Bypass roller release motor (M12) • Bypass roller release home sensor (PS13)
	C-1147 (FS-521)	The paper exit alignment plate retraction home sensor (PS24) does not turn ON within a specified period of time after the paper exit alignment plate retraction home motor (M18) starts the home position search operation. Or, even after a specified period of time after M18 starts the operation, it does not stop.	• FNS control board (FNSCB) • FNS drive board (FNSDB) • Paper exit alignment plate retraction motor (M18) • Paper exit alignment plate retraction home sensor (PS24)
	C-1148 (FS-521)	The stacker entrance roller release home sensor (PS23) does not turn ON within a specified period of time after the stacker entrance roller release motor (M16) starts the home position search operation. Or, even after a specified period of time after M16 starts the operation, it does not stop.	• FNS control board (FNSCB) • FNS drive board (FNSDB) • Stacker entrance roller release motor (M16) • Stacker entrance roller release home sensor (PS23)
LS (1st tandem): LS abnormality	C-1201	The stacker tray encoder sensor (PS2) does not turn ON within a specified period of time after the stacker tray up down motor (M1) turns ON. Or, the initial operation or the stacker tray down operation is not completed within a specified period of time.	• Stacker tray up down motor (M1) • LS control board (LSCB)
	C-1202	The shift unit home sensor (PS11) does not turn ON within a specified period of time after the shift unit motor (M5) turns ON. Or, PS11 does not turn ON within a specified period of time.	• Shift unit motor (M5) • LS control board (LSCB)
	C-1203	The alignment plate home sensor (PS12) does not turn ON within a specified period of time after the alignment motor (M7) turns ON. Or, PS12 does not turn ON within a specified period of time.	• Alignment motor (M7) • LS control board (LSCB)
	C-1204	The grip conveyance home sensor (PS5) does not turn ON within a specified period of time after the grip conveyance motor (M4) turns ON.	Grip conveyance motor (M4)
	C-1205	The stacker tray upper limit switch (MS2) is ON when the stacker tray up down motor (M1) is in the up operation.	• Stacker tray up down motor (M1) • Stacker tray upper limit switch (MS2)
	C-1206	The stacker tray lower limit switch (MS3) is ON when the stacker tray up down motor (M1) is in the down operation.	• Stacker tray up down motor (M1) • Stacker tray lower limit switch (MS3)
LS (2nd tandem): LS abnormality	C-1211	The stacker tray encoder sensor (PS2) does not turn ON within a specified period of time after the stacker tray up down motor (M1) turns ON. Or, the initial operation or the stacker tray down operation is not completed within a specified period of time.	Stacker tray up down motor (M1) • LS control board (LSCB)
LS (2nd tandem): LS abnormality	C-1212	The shift unit home sensor (PS11) does not turn ON within a specified period of time after the shift unit motor (M5) turns ON. Or, PS11 does not turn ON within a specified period of time.	• Shift unit motor (M5) • LS control board (LSCB)
LS (2nd tandem): LS abnormality	C-1213	The alignment plate home sensor (PS12) does not turn ON within a specified period of time after the alignment motor (M7) turns ON. Or, PS12 does not turn ON within a specified period of time.	• Alignment motor (M7) • LS control board (LSCB)
LS (2nd tandem): LS abnormality	C-1214	The grip conveyance home sensor (PS5) does not turn ON within a specified period of time after the grip conveyance motor (M4) turns ON.	Grip conveyance motor (M4)
LS (2nd tandem): LS abnormality	C-1215	The stacker tray upper limit switch (MS2) is ON when the stacker tray up down motor (M1) is in the up operation.	• Stacker tray up down motor (M1) • Stacker tray upper limit switch (MS2)
	C-1216	The stacker tray lower limit switch (MS3) is ON when the stacker tray up down motor (M1) is in the down operation.	• Stacker tray up down motor (M1) • Stacker tray lower limit switch (MS3)
FD: FD abnormality	C-1221	The 1st folding cam home sensor (PS55) does not turn ON within a specified period of time after the 1st folding release motor (M14) turns ON.	• 1st folding release motor (M14) • Folding drive board (FDB) • 1st folding cam home sensor (PS55)
FD: FD abnormality	C-1222	The 2nd folding cam home sensor (PS56) does not turn ON within a specified period of time after the 2nd folding release motor (M15) turns ON.	• 2nd folding release motor (M15) • Folding drive board (FDB) • 2nd folding cam home sensor (PS56)
FD: FD abnormality	C-1223	The 3rd folding cam home sensor (PS57) does not turn ON within a specified period of time after the 3rd folding release motor (M16) turns ON.	• 3rd folding release motor (M16) • Folding drive board (FDB) • 3rd folding cam home sensor (PS57)
FD: FD abnormality	C-1224	The 2 holes punch home sensor (PS8) does not turn OFF within a specified period of time after the 2- holes punch home position return operation starts. Or, after the punch motor (M10) turns ON, the 2 holes punch home sensor (PS8) does not turn OFF.	• Punch motor (M10) • Punch drive board (PDB) • 2 holes punch home sensor (PS8)
FD: FD abnormality	C-1225	The 3 holes/4 holes punch home sensor (PS9) does not turn OFF within a specified period of time after the 3 holes/4 holes punch home position return operation starts. Or, after the punch motor (M10) turns ON, the 3 holes/4 holes punch home sensor (PS9) does not turn OFF.	• Punch motor (M10) • Punch drive board (PDB) • 3 holes/4 holes home sensor (PS9)
FD: FD abnormality	C-1226	The alignment plate home sensor (PS10) does not turn ON within a specified period of time after the alignment plate home position return operation starts. Or, after the alignment motor (M12) turns ON, the alignment plate home sensor (PS10) does not turn OFF.	• Alignment motor (M12) • Punch drive board (PDB) • Alignment plate home sensor (PS10)
FD: FD abnormality	C-1227	The punch registration home sensor (PS11) does not turn ON within a specified period of time after the punch registration claw home position return operation starts. Or, after the punch registration motor (M13) turns ON, the punch registration home sensor (PS11) does not turn OFF.	• Punch registration motor (M13) • Punch drive board (PDB) • Punch registration home sensor (PS11)
	C-1228	The main tray upper limit sensor (PS20) does not turn ON within a specified period of time after the main tray home position search starts. Or, after the tray up down motor (M11) turns ON, the main tray upper limit sensor (PS20) does not turn OFF.	• Tray up down motor (M11) • Main tray upper limit sensor (PS20) • Punch drive board (PDB)
	C-1229	The main tray lower limit sensor (PS22) does not turn ON within a specified period of time after the tray up down motor (M11) is in the down operation.	• Tray up down motor (M11) • Punch drive board (PDB) • Main tray lower limit sensor (PS22)
	C-1230	After the FD paper lift motor /Up (M8) is in the down operation, the PI lift plate home sensor /Up (PS34) does not turn ON within a specified period of time. Or, after the paper lift motor /Up (M8) is in the up operation, the PI tray upper limit sensor /Up (PS32) does not turn ON.	• Paper lift motor /Up (M8) • PI drive board (PIDB) • PI lift plate home sensor /Up (PS34) • PI upper limit sensor /Up (PS32)
	C-1231	After the FD paper lift motor /Lw (M9) is in the down operation, the PI lift plate home sensor /Lw (PS40) does not turn ON within a specified period of time. Or, after the paper lift motor /Lw (M9) is in the up operation, the PI upper limit sensor /Lw (PS38) does not turn ON.	• Paper lift motor /Lw (M9) • PI drive board (PIDB) • PI lift plate home sensor /Lw (PS40) • PI upper limit sensor /Lw (PS38)
	C-1232	An error detection signal is detected continuously for a specified period of time while the entrance conveyance motor (M1) is ON.	• Paper lift motor /Lw (M9) • PI drive board (PIDB) • PI lift plate home sensor /Lw (PS40) • PI upper limit sensor /Lw (PS38)
(kythuatmayin.vn)	C-1233	An error detection signal of M3 is detected continuously for a specified period of time while the intermediate conveyance motor (M3) is ON.	• Intermediate conveyance motor (M3) • Punch drive board (PDB)
	C-1234	An error detection signal of M7 is detected continuously for a specified period of time while the PI conveyance motor (M7) is ON.	• PI conveyance motor (M7) • PI drive board (PIDB)
	C-1235	An error detection signal of M17 is detected continuously for a specified period of time while the main tray exit motor (M17) is ON.	• Main tray exit motor (M17) • Punch drive board (PDB)
SD: SD-506 abnormality	C-1241	The scraps press home sensor (PS48) does not turn ON within a specified period of time after the bundle exit motor (M5) starts the home position search operation.	• Bundle exit motor (M5) • Scraps press home sensor (PS48) • SD control board (SDCB) • SD drive board (SDDB)
	C-1242	The folding main scan alignment home sensor / Fr1 (PS18) does not turn ON within a specified period of time after the folding main scan alignment motor /Fr (M7) starts the home position search operation. Or, even after a specified period of time after M7 starts the operation, it does not stop.	• Folding main scan alignment motor /Fr (M7) • Folding main scan alignment home sensor / Fr1 (PS18) • SD control board (SDCB) • SD drive board (SDDB)
	C-1243	The folding exit home sensor (PS24) does not turn ON within a specified period of time after the folding sub scan alignment exit motor (M8) starts the home position search operation. Or, even after a specified period of time after M8 starts to decelerate, it does not stop.	• Folding sub scan alignment exit motor (M8) • Folding exit home sensor (PS24) • SD control board (SDCB) • SD drive board (SDDB)
	C-1244	The saddle stitching alignment home sensor /Rt (PS28) does not turn ON within a specified period of time after the saddle stitching alignment motor / Rt (M9) starts the home position search operation. Or, even after a specified period of time after M9 starts the operation, it does not stop.	• Saddle stitching alignment motor /Rt (M9) • Saddle stitching alignment home sensor / Rt (PS28) • SD control board (SDCB) • SD drive board (SDDB)
	C-1245	The bundle arm home sensor (PS32) does not turn ON within a specified period of time after the bundle arm motor (M10) starts the home position search operation. Or, even after a specified period of time after M10 starts the operation, it does not stop.	• Bundle arm motor (M10) • Bundle arm home sensor (PS32) • SD control board (SDCB) • SD drive board (SDDB)
	C-1246	The bundle clip upper limit sensor (PS33) does not turn ON within a specified period of time after the bundle clip motor (M11) starts the home position search operation. Or, even after a specified period of time after M11 starts the operation, it does not stop.	• Bundle clip motor (M11) • Bundle clip upper limit sensor (PS33) • Bundle clip lower limit sensor (PS30) • SD control board (SDCB) • SD drive board (SDDB)
	C-1247	The bundle registration home sensor (PS34) does not turn ON within a specified period of time after the bundle registration motor (M12) starts the home position search operation. Or, even after a specified period of time after M12 starts the operation, it does not stop.	• Bundle registration motor (M12) • Bundle registration home sensor (PS34) • SD control board (SDCB) • SD drive board (SDDB)
	C-1248	The overlap home sensor (PS17) does not turn ON within a specified period of time after the overlap motor (M13) starts the home position search operation. Or, even after a specified period of time after M13 starts the operation, it does not stop.	• Overlap motor (M13) • Overlap home sensor (PS17) • SD control board (SDCB) • SD drive board (SDDB)
	C-1249	The folding main scan alignment home sensor /Rr (PS19) does not turn ON within a specified period of time after the folding main scan alignment motor /Rr (M14) starts the home position search operation. Or, even after a specified period of time after M14 starts the operation, it does not stop.	• Folding main scan alignment motor /Rr (M14) • Folding main scan alignment home sensor / Rr (PS19) • SD control board (SDCB) • SD drive board (SDDB)
	C-1250	The stapler movement home sensor (PS25) does not turn ON within a specified period of time after the home position search operation of the stapler movement motor (M15) starts. Or, even after a specified period of time after M15 starts the operation, it does not stop.	• Stapler movement motor (M15) • Stapler movement home sensor (PS25) • SD control board (SDCB) • SD drive board (SDDB)
	C-1251	The saddle stitching alignment home sensor /Lt (PS29) does not turn ON within a specified period of time after the saddle stitching alignment motor / Lt (M16) starts the home position search operation. Or, even after a specified period of time after M16 starts the operation, it does not stop.	• Saddle stitching alignment motor /Lt (M16) • Saddle stitching alignment home sensor / Lt (PS29) • SD control board (SDCB) • SD drive board (SDDB)
	C-1252	The bundle press movement home sensor (PS36) does not turn ON within a specified period of time after the bundle press movement motor (M17) starts the home position search operation. Or, even after a specified period of time after M17 starts the operation, it does not stop.	• Bundle press movement motor (M17) • Bundle press movement home sensor (PS36) • SD control board (SDCB) • SD drive board (SDDB)
	C-1253	The 1st folding blade home sensor (PS21) does not turn ON within a specified period of time after the 1st folding blade motor (M18) starts the home position search operation. Or 1st folding blade home sensor /1 (PS20) does not turned ON within a specified period of time after M18 starts the operation.	• 1st folding blade motor (M18) • 1st folding blade home sensor /1 (PS20), /2 (PS21) • SD control board (SDCB) • SD drive board (SDDB)
	C-1254	The 2nd folding blade home sensor /2 (PS23) does not turn ON within a specified period of time after the 2nd folding blade motor (M19) starts the home position search operation. Or the 2nd folding blade home sensor /1 (PS22) does not turned ON within a specified period of time after M19 starts the operation.	• 2nd folding blade motor (M19) • 2nd folding blade home sensor /1 (PS22), /2 (PS23) • SD control board (SDCB) • SD drive board (SDDB)
	C-1255	The clincher up down home sensor (PS26) does not turn ON even after a specified period of time after the clincher up down motor (M20) starts the home position search. Or, even after a specified period of time after M20 starts the operation, it does not stop.	• Clincher up down motor (M20) • Clincher up down home sensor (PS26) • SD control board (SDCB) • SD drive board (SDDB)
	C-1256	The saddle stitching press home sensor (PS27) does not turn ON within a specified period of time after the saddle stitching press motor (M21) starts the home position search operation. Or, even after a specified period of time after M21 starts the operation, it does not stop.
	C-1257	The bundle arm rotation home sensor (PS31) does not turn ON within a specified period of time after the bundle arm rotation motor (M22) starts the home position search operation. Or, even after a specified period of time after M22 starts the operation, it does not stop.	• Bundle arm rotation motor (M22) • Bundle arm rotation home sensor (PS31) • SD control board (SDCB) • SD drive board (SDDB)
	C-1258	The bundle press home sensor (PS37) does not turn ON within a specified period of time after the bundle press motor (M23) starts the home position search operation. Or, even after a specified period of time after M23 starts the operation, it does not stop.	• Bundle press motor (M23) • Bundle press home sensor (PS37) • Bundle press lower limit sensor (PS47) • SD control board (SDCB) • SD drive board (SDDB)
	C-1259	The bundle press home sensor (PS35) does not turn ON within a specified period of time after the bundle press stage up down motor (M24) starts the home position search operation. Or PS35 or the bundle press stage up down upper limit sensor (PS45) does not turned ON after a specified period of time M24 starts the operation.	• Bundle press stage up down motor (M24) • Bundle press stage up down home sensor (PS35) • Bundle press stage up down limit sensor (PS45) • SD control board (SDCB) • SD drive board (SDDB)
	C-1260	The guide shaft home sensor (PS46) does not turn ON even after a specified period of time after the guide shaft motor (M25) starts the home position search operation. Or, even after a specified period of time after M25 starts the operation, it does not stop.	• Guide shaft motor (M25) • Guide shaft home sensor (PS46) • SD control board (SDCB) • SD drive board (SDDB)
	C-1261	The stapler home sensor / Rt (HS1) or the clincher start sensor /Rt (HS2) does not turn ON even after a specified period of time after the stapler motor /Rt (M29) starts the operation.	• Stapler assembly /Rt • SD control board (SDCB) • SD drive board (SDDB)
	C-1262	The stapler home sensor / Lt (HS3) or the clincher start sensor /Lt (HS4) does not turn ON even after a specified period of time after the stapler motor /Lt (M30) starts the operation.	• Stapler assembly /Lt • SD control board (SDCB) • SD drive board (SDDB)
	C-1263	It does not stop even after a specified period of time after the trimmer blade motor (M31) starts the operation.	• Trimmer blade motor (M31) • Trimmer blade home sensor (PS50) • Trimmer blade upper limit sensor (PS51) • SD control board (SDCB) • SD drive board (SDDB)
(kythuatmayin.vn)	C-1264	It does not stop even after a specified period of time after the trimmer press motor (M32) starts the operation.	• Trimmer press motor (M32) • Trimmer press home sensor (PS53) • Trimmer press upper limit sensor (PS52) • SD control board (SDCB) • SD drive board (SDDB)
	C-1265	It does not stop even after a specified period of time after the bundle arm assist motor (M26) starts the operation.	• Bundle arm assist motor (M26) • Bundle arm assist home sensor (PS38) • Bundle arm assist upper limit sensor (PS39) • SD control board (SDCB) • SD drive board (SDDB)
	C-1266	Rotation abnormality is detected for a specified period of time in succession while the entrance conveyance motor (M1) is driving.	• Entrance conveyance motor (M1) • SD control board (SDCB) • SD drive board (SDDB)
	C-1267	Rotation abnormality is detected for a specified period of time in succession while the horizontal conveyance motor (M2) is driving.	• Horizontal conveyance motor (M2) • SD control board (SDCB) • SD drive board (SDDB)
	C-1268	Rotation abnormality is detected for a specified period of time in succession while the folding entrance motor (M3) is driving.	• Folding entrance motor (M3) • SD control board (SDCB) • SD drive board (SDDB)
	C-1269	Rotation abnormality is detected for a specified period of time in succession while the folding transfer motor (M4) is driving.	• Folding transfer motor (M4) • SD control board (SDCB) • SD drive board (SDDB)
	C-1270	Rotation abnormality is detected for a specified period of time in succession while the bundle exit motor (M5) is driving.	• Bundle exit motor (M5) • SD control board (SDCB) • SD drive board (SDDB)
	C-1271	Rotation abnormality is detected for a specified period of time in succession while the folding sub scan alignment exit motor (M8) is driving.	• Folding sub scan alignment exit motor (M8) • SD control board (SDCB) • SD drive board (SDDB)
	C-1272	Rotation abnormality is detected for a specified period of time in succession while the trimmer paddle motor (M33) is driving	• Trimmer paddle motor (M33) • SD control board (SDCB) • SD drive board (SDDB)
	C-1273	The trimmer completion sensor (PS62) does not turn ON even after a specified period of time after the trimmer blade motor (M31) is in the up operation.	• Trimmer blade motor (M31) • Trimmer completion sensor (PS62) • SD control board (SDCB) • SD drive board (SDDB)
(kythuatmayin.vn)	C-1275	The wire slack sensor (PS66) detected the slack of the trimmer edge drive wire.	• Wire slack prevention sensor (PS66) • SD control board (SDCB) • SD drive board (SDDB)
RU : RU-506 abnormality	C-1281	FD alignment motor (M3) drive abnormality. The FD alignment home sensor (PS3) does not turn ON even after a specified period of time after M3 starts the home position search operation. Or, even after a specified period of time after M3 starts the operation, it does not stop.	• RU control board (RUCB) • FD alignment motor (M3) • FD alignment home sensor (PS3)
	C-1282	CD alignment motor (M4) drive abnormality. The CD alignment home sensor (PS4) does not turn ON even after a specified period of time after M4 starts the home position search operation. Or, even after a specified period of time after M4 starts the operation, it does not stop.	• RU control board (RUCB) • CD alignment motor (M4) • CD alignment home sensor (PS4)
RU: RU-509 abnormality	C-1290	Rotation abnormality is detected for a specified period of time in succession while the decurler conveyance motor (M3) is driving.	• De-curler conveyance motor (M3) • RU control board (RUCB)
RU: RU-509 abnormality	C-1291	The home position search operation of the de-curler pressure motor /Lw (M5) does not complete within a specified period of time.	• De-curler pressure motor /Lw (M5) • RU control board (RUCB)
RU: RU-509 abnormality	C-1292	The home position search operation of the de-curler pressure motor /Up (M6) does not complete within a specified period of time.	• De-curler pressure motor /Up (M6) • RU control board (RUCB)
RU: RU-509 abnormality	C-1293	Rotation abnormality is detected for a specified period of time in succession while the humidification section conveyance motor (M8) is driving.	Humidification section conveyance motor (M8) • RU control board (RUCB) • RU control board (RUCB)
RU: RU-509 abnormality	C-1294	The home position search operation of the humidification section roller pressure motor /Rt (M9) does not complete within a specified period of time.	• Humidification section roller pressure motor /Rt (M9) • RU control board (RUCB) • RU control board (RUCB)
RU: RU-509 abnormality	C-1295	The home position search operation of the humidification section roller pressure motor /Lt (M10) does not complete within a specified period of time.	• Humidification roller pressure motor /Lt (M10) • RU control board (RUCB) • RU control board (RUCB)
RU: RU-509 abnormality	C-1296	Color density sensor detection preparation adjustment value abnormality	• Color density sensor unit • Color density control board (CDCB) • RU control board (RUCB)
RU: RU-509 abnormality	C-1297	Color density sensor detection start abnormality	• Shutter solenoid (SD5) • Color density sensor unit • Color density control board (CDCB) • RU control board (RUCB)
RU: RU-509 abnormality	C-1298	EPPROM read out abnormality in the color density relay board (CDRLB)	• Color density control board (CDCB) • RU control board (RUCB)
RU: RU-509 abnormality	C-1299	The water tank full sensor (PS13) detects ON continuously for more than a specified period of time.	• Drain path • Water tank full sensor (PS13) • RU control board (RUCB)
LS (1st tandem): LS abnormality	C-1301	An error detection signal is detected continuously for a	• Paper cooling fan motor /Fr (FM1) • LS control board (LSCB)
	C-1302	An error detection signal is detected continuously for a specified period of time while the paper cooling fan motor /1 (FM2) is ON.	• Paper cooling fan motor /1 (FM2) • LS control board (LSCB)
(kythuatmayin.vn)	C-1303	An error detection signal is detected continuously for a specified period of time while the paper cooling fan motor/Mi (FM3) is ON.	• Paper cooling fan motor /Mi (FM3) • LS control board (LSCB)
	C-1304	An error detection signal of FM4 is detected continuously for a specified period of time while the motor cooling fan motor (FM4) is ON.	• Motor cooling fan motor (FM4) • LS control board (LSCB)
	C-1305	An error detection signal of FM5 is detected continuously for a specified period of time while the paper cooling fan motor /Rr (FM5) is ON.	• Paper cooling fan motor /Rr (FM5) • LS control board (LSCB)
LS (2nd tandem): LS abnormality	C-1306	An error detection signal is detected continuously for a specified period of time while the paper cooling fan motor /Fr (FM1) is ON.	• Paper cooling fan motor /Fr (FM1) • LS control board (LSCB)
LS (2nd tandem): LS abnormality	C-1307	An error detection signal is detected continuously for a specified period of time while the paper cooling fan motor/1 (FM2) is ON.	• Paper cooling fan motor /1 (FM2) • LS control board (LSCB)
LS (2nd tandem): LS abnormality	C-1308	An error detection signal is detected continuously for a specified period of time while the paper cooling fan motor /Mi (FM3) is ON.	• Paper cooling fan motor /Mi (FM3) • LS control board (LSCB)
LS (2nd tandem): LS abnormality	C-1309	An error detection signal of FM4 is detected continuously for a specified period of time while the motor cooling fan motor (FM4) is ON.	• Motor cooling fan motor • LS control board (LSCB)
LS (2nd tandem): LS abnormality	C-1310	An error detection signal of FM5 is detected continuously for a specified period of time while the paper cooling fan motor /Rr (FM5) is ON.	• Paper cooling fan motor /Rr (FM5) • LS control board (LSCB)
SD: SD-506 abnormality	C-1311	A rotation error detection signal is detected continuously for specified period of time while the scraps removal fan motor (FM1) is started or driving.	• Scraps removal fan motor (FM1) • SD control board (SDCB) • SD drive board (SDDB)
PB: PB abnormality	C-1330	A rotation error detection signal is detected continuously for specified time period while the cover paper tray fan /1 (FM71) is started or driving.	• PB control board (PBCB) • PB drive board (PBDB) • Cover paper tray fan /1 (FM71)
PB: PB abnormality	C-1331	A rotation error detection signal is detected continuously for specified time period while the cover paper tray fan /2 (FM72) is started or driving.	• PB control board (PBCB) • PB drive board (PBDB) • Cover paper tray fan /2 (FM72)
	C-1332	A rotation error detection signal is detected continuously for a specified time period while the exhaust fan /1 (FM80) is started or driving.	• PB control board (PBCB) • PB drive board (PBDB) • Exhaust fan /1 (FM80)
	C-1333	A rotation error detection signal is detected continuously for a specified time period while the exhaust fan /2 (FM81) is started or driving.	• AC drive board (ACDB) • PB control board (PBCB) • PB drive board (PBDB) • Exhaust fan /2 (FM81)
(kythuatmayin.vn)	C-1334	A rotation error detection signal is detected continuously for specified period of time while the pellet supply cooling fan (FM4) is started or driving.	• AC drive board (ACDB) • PB control board (PBCB) • PB drive board (PBDB) • Pellet supply cooling fan (FM4)
RU : RU-506 abnormality	C-1341	Stack assist fan /Fr (FM1) rotation abnormality. Rotation abnormality detected continuously for the specified time during FM1 operation.	• RU control board (RUCB) • Stack assist fan /Fr (FM1)
RU : RU-506 abnormality	C-1342	Stack assist fan /Rr (FM2) rotation abnormality. Rotation abnormality detected continuously for the specified time during FM2 operation.	• RU control board (RUCB) • Stack assist fan /Rr (FM2)
RU: RU-509 abnormality	C-1351	Error detection signals of FM1, FM2 and FM3 are detected continuously for a specified period of time while the entrance paper fans /1 (FM1), /2 (FM2) and /3 (FM3) are ON.	• Entrance paper fan /1 (FM1) • Entrance paper fan /2 (FM2) • Entrance paper fan /3 (FM3) • RU control board (RUCB)
RU: RU-509 abnormality	C-1352	Error detection signals of FM4 and FM5 are detected continuously for a specified period of time while the ventilation assist fans /1 (FM4) and /2 (FM5) are ON.	• Ventilation assist fan /1 (FM4) • Ventilation assist fan /2 (FM5) • RU control board (RUCB)
RU: RU-509 abnormality	C-1353	Error detection signals of FM15, FM16 and FM17 are detected continuously for a specified period of time while the entrance paper fans /4 (FM15), /5 (FM16) and /6 (FM17) are ON.	• Entrance paper fan /4 (FM15) • Entrance paper fan /5 (FM16) • Entrance paper fan /6 (FM17) • RU control board (RUCB)
RU: RU-9 abnormality	C-1354	Error detection signals of FM18, FM19 and FM20 are detected continuously for a specified period of time while the entrance paper fans /7 (FM18), /8 (FM19) and /9 (FM20) are ON.	• Entrance paper fan /7 (FM18) • Entrance paper fan /8 (FM19) • Entrance paper fan /9 (FM20) • RU control board (RUCB)
RU: RU-509 abnormality	C-1355	Error detection signals of FM21 is detected continuously for a specified period of time while the ventilation assist fan /3 (FM21) is ON.	• Jumper connector CN108 • Ventilation assist fan /3 (FM21) • RU control board (RUCB)
	C-1356	An error detection signal of FM6 is detected continuously for a specified period of time while the humidification section paper fan /1 (FM6) is ON.	• Humidification section paper fan /1 (FM6) • RU control board (RUCB) • RU control board (RUCB)
	C-1357	An error detection signal of FM7 is detected continuously for a specified period of time while the humidification section paper fan /2 (FM7) is ON.	• Humidification section paper fan /2 (FM7) • RU control board (RUCB) • RU control board (RUCB)
	C-1358	An error detection signal of FM8 is detected continuously for a specified period of time while the humidification section paper fan /3 (FM8) is ON.	• Humidification section paper fan /3 (FM8) • RU control board (RUCB) • RU control board (RUCB
	C-1359	An error detection signal of FM9 is detected continuously for a specified period of time while the humidification section paper fan /4 (FM9) is ON.	• Humidification section paper fan /4 (FM9) • RU control board (RUCB) • RU control board (RUCB)
(kythuatmayin.vn)	C-1360	An error detection signal of FM10 is detected continuously for a specified period of time while the humidification section paper fan /5 (FM10) is ON.	• Humidification section paper fan /5 (FM10) • RU control board (RUCB) • RU control board (RUCB)
	C-1361	An error detection signal of FM11 is detected continuously for a specified period of time while the humidification section paper fan /6 (FM11) is ON.	• Humidification section paper fan /6 (FM11) • RU control board (RUCB) • RU control board (RUCB)
	C-1364	An error detection signal of FM14 is detected continuously for a specified period of time while the humidification section paper fan (FM14) is ON.	• Power supply fan (FM14) • DC power supply (DCPS)
FS: FS abnormality	C-1402	Non-volatile memory abnormality.	• FS control board (LSCB) • FNS control board (FNSCB)
FD: FD abnormality	C-1403	Non-volatile memory abnormality.	FD control board (FDCB)
SD: SD-506 abnormality	C-1404	Non-volatile memory abnormality.	SD control board (SDCB)
PB: PB abnormality	C-1406	Non-volatile memory abnormality in the PB control board (PBCB)	• PB control board (PBCB) • Control program
RU: RU-509 abnormality	C-1407	Non-volatile memory abnormality.	RU control board (RUCB)
RU : RU-506 abnormality	C-1408	Non-volatile memory error.	RU control board (RUCB)
SD: SD-506 abnormality	C-1411	5V power abnormality in the SD drive board (SDDB)	SD drive board (SDDB)
FS: FS abnormality	C-1431	Communication error in FS	Software bug
FD: FD abnormality	C-1432	Communication error in FD	Software bug
SD: SD-506 abnormality	C-1433	Communication error in SD	Software bug
PB: PB abnormality	C-1435	Message queue full or the control abnormality of Sub CPU1 in the PB control board (PBCB)	• PB control board (PBCB) • Control program
PB: PB abnormality	C-1436	Message queue full or the control abnormality of Sub CPU2 in the PB control board (PBCB)	• PB control board (PBCB) • Control program
PB: PB abnormality	C-1437	Message queue of the communication among tasks in the PB is full.	Control program
RU: RU-509 abnormality	C-1438	Communication error in RU	Software bug (kythuatmayin.vn)
RU : RU-506 abnormality	C-1439	RU received operation start from the main body when unready.	Software bug
RU: RU-509 abnormality	C-1440	RU SubCPU communication error (Main side)	• RU control board (RUCB) • RU program
RU: RU-509 abnormality	C-1441	RU SubCPU communication error (Sub side	• RU control board (RUCB) • RU program
FD: FD abnormality	C-1451	When the FD is unready, a signal to start operations is received from the main body.	Software bug
SD: SD-506 abnormality	C-1452	When the SD is unready, a signal to start operations is received from the main body.	Software bug
PB: PB abnormality	C-1454	PB operation prohibition abnormality. PB received operation start signal from the main body when the PB is unready.	Control program
RU: RU-509 abnormality	C-1455	When RU is unready, a signal to start operations is received from the main body.	Software bug
RU : RU-506 abnormality	C-1456	RU received operation start signal from the main body when the RU is unready.	Software bug
PB: PB abnormality	C-1501	The entrance conveyance has not been completed within a specified period of time after the entrance conveyance motor (M1) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Entrance conveyance motor (M1)
PB: PB abnormality	C-1502	A rotation error detection signal is detected for a specified period of time in succession while the intermediate conveyance motor (M2) is driving.	• PB control board (PBCB) • PB drive board (PBDB) • Intermediate conveyance motor (M2)
PB: PB abnormality	C-1504	The SC entrance conveyance has not been completed within a specified period of time after the SC entrance conveyance motor (M11) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • SC entrance conveyance motor (M11)
PB: PB abnormality	C-1505	The switchback conveyance has not been completed within a specified period of time after the SC switchback conveyance motor (M12) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • SC switchback conveyance motor (M12)
PB: PB abnormality	C-1506	The switchback roller release operation has not been completed within a specified period of time after the SC switchback release motor (M13) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • SC switchback release motor (M13)
PB: PB abnormality	C-1507	The SC alignment has not been completed within a specified period of time after SC alignment motor (M15) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • SC alignment motor (M15)
PB: PB abnormality	C-1508	The SC paper bundle conveyance has not been completed within a specified period of time after the SC bundle conveyance motor (M17) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • SC bundle conveyance motor (M17)
PB: PB abnormality	C-1509	The SC roller release operation has not been completed within a specified period of time after the SC roller release motor (M18) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • SC roller release motor (M18)
PB: PB abnormality	C-1510	The SC entrance movement operation has not been completed within a specified period of time after the clamp entrance movement motor (M19) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Clamp entrance movement motor (M19)
	C-1511	The clamp entrance roller release operation has not been completed within a specified period of time after the clamp entrance roller release motor (M20) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Clamp entrance roller release motor (M20)
	C-1512	The clamp alignment has not been completed within a specified period of time after clamp alignment motor (M21) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Clamp alignment motor (M21)
	C-1513	The clamp section open/ close operation has not been completed within a specified period of time after the clamp motor (M22) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Clamp motor (M22)
	C-1514	The clamp rotation operation has not been completed within a specified period of time after the clamp rotation motor (M23) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Clamp rotation motor (M23)
	C-1515	The glue tank movement operation has not been completed within a specified period of time after the glue tank movement motor (M31) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Glue tank movement motor (M31)
	C-1516	A rotation error detection signal is detected for a specified period of time in succession while the glue apply roller motor (M32) is driving.	• PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32)
	C-1517	The count of a specified number of pellets, which is counted by the pellet supply passage sensor (PS37), has not been reached after the pellet supply pipe motor (M33) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Pellet supply pipe motor (M33)
	C-1518	The operation of the pellet supply arm has not been completed within a specified period of time after the pellet supply arm motor (M34) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Pellet supply arm motor (M34)
	C-1519	The alignment in the cover paper table up/down section has not been completed within a specified period of time after the cover paper alignment motor (M41) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Cover paper alignment motor (M41)
	C-1520	The booklet exit has not been completed within a specified period of time after the booklet exit motor (M42) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Booklet exit motor (M42)
	C-1521	The driven arm /Rt swing operation start has not been completed within a specified period of time after the cover paper conveyance arm motor /Rt (M43) turns ON	• PB control board (PBCB) • PB drive board (PBDB) • Cover paper conveyance arm motor / Rt (M43)
	C-1522	The driven arm /Lt swing operation start has not been completed within a specified period of time after the cover paper conveyance arm motor /Lt (M44) turns ON	• PB control board (PBCB) • PB drive board (PBDB) • Cover paper conveyance arm motor / Lt (M44)
	C-1523	The cover paper conveyance start has not been completed within a specified period of time after cover paper conveyance motor (M45) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Cover paper conveyance motor (M45)
	C-1524	The cover paper table up or down movement has not been completed within a specified period of time after the cover paper table up down motor /Fr (M46) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Cover paper table up down motor /Fr (M46)
	C-1525	The cover paper table up or down movement has not been completed within a specified period of time after the cover paper table up down motor /Rr (M47) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Cover paper table up down motor /Rr (M47)
	C-1526	The movement of the cover paper folding plate / Rt has not been completed within a specified period of time after the cover paper folding motor /Rt (M48) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Cover paper folding motor /Rt (M48)
	C-1527	The movement of the cover paper folding plate / Lt has not been completed within a specified period of time after the cover paper folding motor /Lt (M49) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Cover paper folding motor /Lt (M49)
(kythuatmayin.vn)	C-1528	The trimming of the cover paper has not been completed within a specified period of time after the cutter motor (M50) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Cutter motor (M50)
	C-1530	The booklet movement of the booklet conveyance section has not been completed within a specified period of time after the booklet conveyance belt motor (M61) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Booklet conveyance belt motor (M61)
	C-1531	The size changing operation of the carriage section has not been completed within a specified period of time after the booklet conveyance belt movement motor (M62) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Booklet conveyance belt movement motor (M62)
	C-1532	The up/down movement operation of the carriage section has not been completed within a specified period of time after the booklet conveyance belt up down motor (M63) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Booklet conveyance belt up down motor (M63)
	C-1534	The booklet rear edge pressing process has not been completed within a specified period of time after the booklet stopper motor (M65) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Booklet stopper motor (M65)
	C-1537	The tray moving up process has not been completed within a specified period of time after the cover paper tray lift motor (M73) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Cover paper tray lift motor (M73)
	C-1538	The cover paper feed has not been completed within a specified period of time after the cover paper feed motor (M74) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Cover paper feed motor (M74)
	C-1540	After the warm-up is started, temperature detected by the glue tank temperature sensor /Md (TH3) has not risen to a prescribed level within a specified time period.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue tank temperature sensor /Md (TH3)
	C-1541	After the warm-up is started, temperature detected by the glue tank temperature sensor /Lw (TH4) has not risen to a prescribed level within a specified time period.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue tank temperature sensor /Lw (TH4)
	C-1542	After the warm-up is started, temperature detected by the glue apply roller temperature sensor (TH1) has not risen to a prescribed level within a specified time period.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue apply roller temperature sensor (TH1)
	C-1543	After the pellet supply, temperature detected by the glue tank temperature sensor /Up (TH2) has not risen to a prescribed level within a specified period of time.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue tank temperature sensor /Up (TH2)
	C-1544	During standby, after the glue tank heater (H1) is turned ON, temperature detected by the glue tank temperature sensor /Md (TH3) has not risen to a prescribed level within a specified time period.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue tank temperature sensor /Md (TH3)
	C-1545	When the prescribed temperature is obtained and after the glue tank heater (H1) is turned ON, temperature detected by the glue tank temperature sensor /Lw (TH4) has not risen to a prescribed level within a specified time period.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue tank temperature sensor /Lw (TH4)
	C-1546	When the prescribed temperature is obtained and after the glue tank heater (H1) is turned ON, temperature detected by the glue apply roller temperature sensor (TH1) has not risen to a prescribed level within a specified time period.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue apply roller temperature sensor (TH1)
	C-1547	The glue apply roller temperature sensor (TH1) detects an abnormal high temperature.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue apply roller temperature sensor (TH1)
	C-1548	The glue tank temperature sensor /Up (TH2) detects an abnormal high temperature.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue tank temperature sensor /Up (TH2)
	C-1549	The glue tank temperature sensor /Md (TH3) detects an abnormal high temperature.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue tank temperature sensor /Md (TH3)
	C-1550	The glue tank temperature sensor /Lw (TH4) detects an abnormal high temperature.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue tank temperature sensor /Lw (TH4)
	C-1551	The glue apply roller temperature sensor (TH1) detects an abnormal high temperature (hardware) TH1 detects an abnormal high temperature of the glue apply roller.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue apply roller temperature sensor (TH1)
	C-1552	The glue tank temperature sensor /Up (TH2) detects an abnormal high temperature (hardware). TH2 detects an abnormal high temperature of the glue tank.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue tank temperature sensor /Up (TH2)
	C-1553	The glue tank temperature sensor /Md (TH3) detects an abnormal high temperature (hardware). TH3 detects an abnormal high temperature of the glue tank.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue tank temperature sensor /Md (TH3)
	C-1554	The glue tank temperature sensor /Lw (TH4) detects an abnormal high temperature (hardware). TH4 detects an abnormal high temperature of the glue tank.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue tank temperature sensor /Lw (TH4)
	C-1555	After warming-up is completed, the glue apply roller temperature sensor (TH1) detects an abnormal low temperature.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue apply roller temperature sensor (TH1)
	C-1556	When glue supply control temperature is reached, the glue tank temperature sensor /Up (TH2) detects an abnormal low temperature.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue tank temperature sensor /Up (TH2)
	C-1557	After warming-up is completed, the glue tank temperature sensor /Md (TH3) detects an abnormal low temperature.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue tank temperature sensor /Md (TH3)
	C-1558	After warming-up is completed, the glue tank temperature sensor /Lw (TH4) detects an abnormal low temperature.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue tank temperature sensor /Lw (TH4)
	C-1559	The glue apply roller temperature sensor (TH1) detects an abnormal low temperature (hardware). After warming-up is completed, TH1 detects the glue apply roller error signal of abnormal low temperature.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue apply roller temperature sensor (TH1)
	C-1560	The glue tank temperature sensor /Up (TH2) detects an abnormal low temperature (hardware). After glue supply control temperature is reached, TH2 detects the glue tank error signal of abnormal low temperature.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue tank temperature sensor /Up (TH2)
(kythuatmayin.vn)	C-1561	The glue tank temperature sensor /Md (TH3) detects an abnormal low temperature (hardware). After warming-up is completed, TH3 detects the glue tank error signal of abnormal low temperature.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue tank temperature sensor /Md (TH3)
	C-1562	The glue tank temperature sensor /Lw (TH4) detects an abnormal low temperature (hardware). After warming-up is completed, TH4 detects the glue tank error signal of abnormal low temperature.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue tank temperature sensor /Lw (TH4)
	C-1565	Relay conveyance motor drive abnormality	• Relay conveyance motor (M92) • PB control board (PBCB) • PB drive board (PBDB)
	C-1566	Relay conveyance exit motor drive abnormality A rotation error detection signal is detected for a specified period of time in succession while the relay conveyance exit motor (M91) is driving.	• Relay conveyance exit motor (M91) • PB control board (PBCB) • PB drive board (PBDB)
	C-1567	Pellet supply pipe motor drive abnormality The pellet supply pipe has not completed the operations within a specified period of time after the pellet supply pipe motor (M33) turns ON.	• Pellet supply pipe motor (M33) • PB control board (PBCB) • PB drive board (PBDB)
Main body: Communication error	C-2001	Communication error between the printer control board (PRCB) and the drum motor /Y (M14).	• Printer control board (PRCB) • Drum motor /Y (M14) • Drum motor /M (M15)
Main body: Communication error	C-2003	Communication error between the printer control board (PRCB) and the belt motor (M18).	• Printer control board (PRCB) • Belt motor (M18)
Main body: Communication error	C-2004	Communication error between the printer control board (PRCB) and the drum motors /Y (M14) or / M (M15).	• Printer control board (PRCB) • Drum motor /Y (M14) • Drum motor /M (M15)
Main body: Communication error	C-2006	Communication error between the printer control board (PRCB) and the belt motor (M18).	• Printer control board (PRCB) • Belt motor (M18)
Main body: Developing motor abnormality	C-2201*	An error detection signal of M20 is detected continuously for a specified period of time while the developing motor /Y (M20) is ON.	• Printer control board (PRCB) • Developing motor /Y (M20)
Main body: Developing motor abnormality	C-2202*	An error detection signal of M21 is detected continuously for a specified period of time while the developing motor /M (M21) is ON.	• Printer control board (PRCB) • Developing motor /M (M21)
	C-2203*	An error detection signal of M22 is detected continuously for a specified period of time while the developing motor /C (M22) is ON.An error detection signal of M22 is detected continuously for a specified period of time while the developing motor /C (M22) is ON.	• Printer control board (PRCB) • Developing motor /C (M22)
	C-2204*	An error detection signal of M23 is detected continuously for a specified period of time while the developing motor /K (M23) is ON.	• Printer control board (PRCB) • Developing motor /K (M23)
Main body: Transfer belt unit abnormality	C-2220	An error detection signal of M18 is detected continuously for a specified period of time while the belt motor (M18) is ON.	• Printer control board (PRCB) • Belt motor (M18) • Encoder sensor belt /1 (PS89), /2 (PS90) • DC power supply /2 (DCPS2) • Intermediate transfer unit
Main body: 1st transfer motor abnormality	C-2221	While the 1st transfer HP sensor (PS15) is ON, PS15 does not turn OFF within a specified period of time after the 1st transfer pressure release motor (M19) turns ON. While PS15 is OFF, PS15 does not turn ON within a specified period of time after M19 turns ON.	• AC drive board (ACDB) • Printer control board (PRCB) • 1st transfer pressure release motor (M19) • 1st transfer HP sensor (PS15)
Main body: Toner supply abnormality	C-2222	While one of the toner supply motors /Y (M49), /M (M50), /C (M51), /K (M52), toner bottle motor (M53), and toner bottle clutches / Y (CL14), /M (CL15), /C (CL16) and /K (CL17) are ON, an error detection signal of one of them is detected for a specified period of time.	• Printer control board (PRCB) • Toner supply drive board (TSDB) • Toner supply motor /Y (M49) • Toner supply motor /M (M50) • Toner supply motor /C (M51) • Toner supply motor /K (M52) • Toner bottle motor (M53) • Toner bottle clutch /Y (CL14) • Toner bottle clutch /M (CL15) • Toner bottle clutch /C (CL16) • Toner bottle clutch /K (CL17)
Main body: Low drum load torque abnormality	C-2223	One of the torque is not recovered within a specified period of time after the low load torque recovery control of the drum motors /Y (M14), /M (M15), /C (M16), /K (M17) starts.	• Drum motor /Y (M14) • Drum motor /M (M15) • Drum motor /C (M16) • Drum motor /K (M17) • Printer control board (PRCB)
Main body: Drum motor abnormality	C-2231*	An error detection signal of M14 is detected continuously for a specified period of time while the drum motor /Y (M14) is ON.	• Printer control board (PRCB) • Drum motor /Y (M14) • Encoder sensor /Y1 (PS81), /Y2 (PS82) • DC power supply /2 (DCPS2) • Drum Unit /Y
Main body: Drum motor abnormality	C-2232*	An error detection signal of M15 is detected continuously for a specified period of time while the drum motor /M (M15) is ON.	• Printer control board (PRCB) • Drum motor /M (M15) • Encoder sensor /M1 (PS83), /M2 (PS84) • DC power supply /2 (DCPS2) • Drum Unit /M
Main body: Drum motor abnormality	C-2233*	An error detection signal of M16 is detected continuously for a specified period of time while the drum motor /C (M16) is ON.	• Printer control board (PRCB) • Drum motor /C (M16) • Encoder sensor /C1 (PS85), /C2 (PS86) • DC power supply /2 (DCPS2) • Drum Unit /C
Main body: Drum motor abnormality	C-2234*	An error detection signal of M17 is detected continuously for a specified period of time while the drum motor /K (M17) is ON.	• Printer control board (PRCB) • Drum motor /K (M17) • Encoder sensor /K1 (PS87), /K2 (PS88) • DC power supply /2 (DCPS2) • Drum Unit /K
Main body: Drum motor abnormality	C-2241*	An error detection signal of M14 is detected continuously for a specified period of time while the drum motor /Y (M14) is ON.	• Printer control board (PRCB) • Drum motor /Y (M14) • Encoder sensor /Y1 (PS81), /Y2 (PS82) • DC power supply /2 (DCPS2) • Drum unit /Y
Main body: Drum motor abnormality	C-2243*	An error detection signal of M16 is detected continuously for a specified period of time while the drum motor /C (M16) is ON.	• Printer control board (PRCB) • Drum motor /C (M16) • Encoder sensors /C1 (PS85) and /C2 (PS86) • DC power supply /2 (DCPS2) • Drum unit /C
Main body: Drum motor abnormality	C-2244*	An error detection signal of M17 is detected continuously for a specified period of time while the drum motor /K (M17) is ON.	• Printer control board (PRCB) • Drum motor /K (M17) • Encoder sensors /K1 (PS87) and /K2 (PS88) • DC power supply /2 (DCPS2) • Drum unit /K
Main body: Fan abnormality	C-2301	An error detection signal of M48 is detected continuously for a specified period of time while the charge intake fan (FM48) is ON.	• Printer control board (PRCB) • Toner supply drive board (TSDB) • Charge intake fan (FM48)
	C-2302*	An error detection signal of FM12 is detected continuously for a specified period of time while the motor cooling fan /1 (FM12) is ON.	• Printer control board (PRCB) • Motor cooling fan /1 (FM12)
	C-2303*	An error detection signal of FM11 is detected continuously for a specified period of time while the transfer belt fan (FM11) is ON.	• Printer control board (PRCB) • Transfer belt fan (FM11)
(kythuatmayin.vn)	C-2304*	An error detection signal of FM45 is detected continuously for a specified period of time while the developing fan /1 (FM45) is ON.	• Printer control board (PRCB) • Developing fan /1 (FM45)
	C-2305*	An error detection signal of FM46 is detected continuously for a specified period of time while the developing fan /2 (FM46) is ON.	• Printer control board (PRCB) • Developing fan /2 (FM46)
	C-2306*	An error detection signal of FM13 is detected continuously for a specified period of time while the motor cooling fan /2 (FM13) is ON.	• Printer control board (PRCB) • Drum fan /2 (FM13)
Main body: Erase lamp abnormality	C-2401	The erase lamp /Y (EL/Y) set status cannot be detected.	• Printer control board (PRCB) • Erase lamp /Y (EL/Y)
Main body: Erase lamp abnormality	C-2402	The erase lamp /M (EL/M) set status cannot be detected.	• Printer control board (PRCB) • Erase lamp /M (EL/M)
Main body: Erase lamp abnormality	C-2403	The erase lamp /C (EL/C) set status cannot be detected.	• Printer control board (PRCB) • Erase lamp /C (EL/C)
Main body: Erase lamp abnormality	C-2404	The erase lamp /K (EL/K) set status cannot be detected.	• Printer control board (PRCB) • Erase lamp /K (EL/K)
Main body: TCR sensor abnormality	C-2411	The output of the TCR sensor /Y (TCRS/Y) cannot be controlled.	• Printer control board (PRCB) • TCR sensor /Y (TCRS/ Y)
Main body: TCR sensor abnormality	C-2412	The output of the TCR sensor /M (TCRS/M) cannot be controlled.	• Printer control board (PRCB) • TCR sensor /M (TCRS / M)
Main body: TCR sensor abnormality	C-2413	The output of the TCR sensor /C (TCRS/C) cannot be controlled.	• Printer control board (PRCB) • TCR sensor /C (TCRS / C)
Main body: TCR sensor abnormality	C-2414	The output of the TCR sensor /K (TCRS/K) cannot be controlled.	• Printer control board (PRCB) • TCR sensor /K (TCRS / K)
Main body: Developing drive abnormality	C-2421	While the developing motor /Y (M20) is ON or after a specified period of time from the TCR sensor / Y (TCRS/Y) initial adjustment starts, TCRS/Y detects a value lower than the prescribed one.	• Printer control board (PRCB) • Developing motor /Y (M20) • TCR sensor /Y (TCRS/ Y)
	C-2422	While the developing motor /M (M21) is ON or after a specified period of time from the TCR sensor / M (TCRS/M) initial adjustment starts, TCRS/M detects a value lower than the prescribed one.	• Printer control board (PRCB) • Developing motor /M (M21) • TCR sensor /M (TCRS/ M)
	C-2423	While the developing motor /C (M22) is ON or after a specified period of time from the TCR sensor / C (TCRS/C) initial adjustment starts, TCRS/C detects a value lower than the prescribed one.	• Printer control board (PRCB) • Developing motor /C (M22) • TCR sensor /C (TCRS/ C)
	C-2424	While the developing motor /K (M23) is ON or after a specified period of time from the TCR sensor / K (TCRS/K) initial adjustment starts, TCRS/K detects a value lower than the prescribed one.	• Printer control board (PRCB) • Developing motor /K (M23) • TCR sensor /K (TCRS/ K)
Main body: TCR sensor initial adjustment abnormality (low density	C-2431	While in the initial adjustment of the TCR sensor /Y (TCRS/Y), TCRS/Y detects a value higher than the prescribed one with the minimum control voltage.	• Printer control board (PRCB) • Developing motor /Y (M20) • TCR sensor /Y (TCRS/ Y)
Main body: TCR sensor initial adjustment abnormality (low density)	C-2432	While in the initial adjustment of the TCR sensor /M (TCRS/M), TCRS/M detects a value higher than the prescribed one with the minimum control voltage.	• Printer control board (PRCB) • Developing motor /M (M21) • TCR sensor /M (TCRS/ M)
Main body: TCR sensor initial adjustment abnormality (low density)	C-2433	While in the initial adjustment of the TCR sensor /C (TCRS/C), TCRS/C detects a value higher than the prescribed one with the minimum control voltage.	• Printer control board (PRCB) • Developing motor /C (M22) • TCR sensor /C (TCRS/ C)
Main body: TCR sensor initial adjustment abnormality (low density)	C-2434	While in the initial adjustment of the TCR sensor /K (TCRS/K), TCRS/K detects a value higher than the prescribed one with the minimum control voltage.	• Printer control board (PRCB) • Developing motor /K (M23) • TCR sensor /K (TCRS/ K)
Main body: TCR sensor initial adjustment abnormality (high density)	C-2441	While in the initial adjustment of the TCR sensor /Y (TCRS/Y), TCRS/Y detects a value lower than the prescribed one with the maximum control voltage.	• Printer control board (PRCB) • Developing motor /Y (M20) • TCR sensor /Y (TCRS/ Y)
Main body: TCR sensor initial adjustment abnormality (high density)	C-2442	While in the initial adjustment of the TCR sensor /M (TCRS/M), TCRS/M detects a value lower than the prescribed one with the maximum control voltage.	• Printer control board (PRCB) • Developing motor /M (M21) • TCR sensor /M (TCRS/ M)
	C-2443	While in the initial adjustment of the TCR sensor /C (TCRS/C), TCRS/C detects a value lower than the prescribed one with the maximum control voltage.	• Printer control board (PRCB) • Developing motor /C (M22) • TCR sensor /C (TCRS/ C)
	C-2444	While in the initial adjustment of the TCR sensor /K (TCRS/K), TCRS/K detects a value lower than the prescribed one with the maximum control voltage.	• Printer control board (PRCB) • Developing motor /K (M23) • TCR sensor /K (TCRS/ K)
Main body: Toner low density abnormality	C-2451	When the developing motor /Y (M20) is ON, the maximum detection value of TCR sensor /Y (TCRS/ Y) is the specified value and the difference between the maximum detection value and the minimum detection value is over the specified value.	• Printer control board (PRCB) • Developing motor /Y (M20) • TCR sensor /Y (TCRS/ Y)
Main body: Toner low density abnormality	C-2452	When the developing motor /M (M21) is ON, the maximum detection value of TCR sensor /M (TCRS/ M) is the specified value and the difference between the maximum detection value and the minimum detection value is over the specified value.	• Printer control board (PRCB) • Developing motor /M (M21) • TCR sensor /M (TCRS/ M)
Main body: Toner low density abnormality	C-2453	When the developing motor /C (M22) is ON, the maximum detection value of TCR sensor /C (TCRS/ C) is the specified value and the difference between the maximum detection value and the minimum detection value is over the specified value.	• Printer control board (PRCB) • Developing motor /C (M22) • TCR sensor /C (TCRS/ C)
Main body: Toner low density abnormality	C-2454	When the developing motor /K (M23) is ON, the maximum detection value of TCR sensor /K (TCRS/ K) is the specified value and the difference between the maximum detection value and the minimum detection value is over the specified value.	• Printer control board (PRCB) • Developing motor /K (M23) • TCR sensor /K (TCRS/ K)
Main body: Process unit mount connection abnormality	C-2470	Process unit mount is not connected.	• Printer control board (PRCB) • Process mount
Main body: High voltage unit /1 abnormality	C-2701	An error detection signal of the charging corona /Y is detected while the charging corona /Y is ON. The signal is detected even after turning OFF/ON for a prescribed time.	• High voltage unit /1 (HV1) • Charging corona /Y • Printer control board (PRCB)
Main body: High voltage unit /1 abnormality	C-2702	An error detection signal of the charging corona /M is detected while the charging corona /M is ON. The signal is detected even after turning OFF/ON for a prescribed time.	• High voltage unit /1 (HV1) • Charging corona /M • Printer control board (PRCB)
	C-2703	An error detection signal of the charging corona /C is detected while the charging corona /C is ON. The signal is detected even after turning OFF/ON for a prescribed time.	• High voltage unit /1 (HV1) • Charging corona /C • Printer control board (PRCB)
	C-2704	An error detection signal of the charging corona /K is detected while the charging corona /K is ON. The signal is detected even after turning OFF/ON for a prescribed time.	• High voltage unit /1 (HV1) • Charging corona /K • Printer control board (PRCB)
Main body: High voltage unit /2 abnormality	C-2711	An error detection signal of the 1st transfer /Y is detected while the 1st transfer /Y is ON. The signal is detected even after turning OFF/ON for a prescribed time.	• High voltage unit /2 (HV2) • 1st transfer roller /Y • Printer control board (PRCB)
Main body: High voltage unit /2 abnormality	C-2712	An error detection signal of the 1st transfer /M is detected while the 1st transfer /M is ON. The signal is detected even after turning OFF/ON for a prescribed time.	• High voltage unit /2 (HV2) • 1st transfer roller /M • Printer control board (PRCB)
Main body: High voltage unit /2 abnormality	C-2713	An error detection signal of the 1st transfer /C is detected while the 1st transfer /C is ON. The signal is detected even after turning OFF/ON for a prescribed time.	• High voltage unit /2 (HV2) • 1st transfer roller /C • Printer control board (PRCB)
Main body: High voltage unit /2 abnormality	C-2714	An error detection signal of the 1st transfer /K is detected while the 1st transfer /K is ON. The signal is detected even after turning OFF/ON for a prescribed time.	• High voltage unit /2 (HV2) • 1st transfer roller /K • Printer control board (PRCB)
Main body: High voltage unit /2 abnormality	C-2720	An error detection signal of the 2nd transfer is detected while the 2nd transfer is ON. The signal is detected even after turning OFF/ON for a prescribed time.	• High voltage unit /2 (HV2) • 2nd transfer roller • Printer control board (PRCB)
Main body: High voltage unit /2 abnormality	C-2721	An error detection signal of the separation charger is detected while the separation charger is ON. The signal is detected even after turning OFF/ON for a prescribed time.	• High voltage unit /2 (HV2) • Separation charger • Printer control board (PRCB)
Main body: Gamma correction abnormality	C-2801	The output voltage of the IDC sensor (IDCS) is detected more that the specified value on the patch /Y of the developing DC maximum output.	• Printer control board (PRCB) • Developing unit /Y • IDC sensor (IDCS) • IDC shutter solenoid (SD3)
Main body: Gamma correction abnormality	C-2802	The output voltage of the IDC sensor (IDCS) is detected more that the specified value on the patch /M of the developing DC maximum output.	• Printer control board (PRCB) • Developing unit /M • IDC sensor (IDCS) • IDC shutter solenoid (SD3)
	C-2803	The output voltage of the IDC sensor (IDCS) is detected more that the specified value on the patch /C of the developing DC maximum output.	• Printer control board (PRCB) • Developing unit /C • IDC sensor (IDCS) • IDC shutter solenoid (SD3)
	C-2804	The output voltage of the IDC sensor (IDCS) is detected more that the specified value on the patch /K of the developing DC maximum output.	• Printer control board (PRCB) • Developing unit /K • IDC sensor (IDCS) • IDC shutter solenoid (SD3)
	C-2811	The proper value cannot be figured out within the specified time by the correction of the patch density correction /Y. Or, the proper value of the developing DC output is 0 or lower.	Printer control board (PRCB) • Developing unit /Y • IDC sensor (IDCS) • IDC shutter solenoid (SD3)
	C-2812	The proper value cannot be figured out within the specified time by the correction of the patch density correction /M. Or, the proper value of the developing DC output is 0 or lower.	• Printer control board (PRCB) • Developing unit /M • IDC sensor (IDCS) • IDC shutter solenoid (SD3)
	C-2813	The proper value cannot be figured out within the specified time by the correction of the patch density correction /C. Or, the proper value of the developing DC output is 0 or lower.	• Printer control board (PRCB) • Developing unit /C • IDC sensor (IDCS) • IDC shutter solenoid (SD3)
	C-2814	The proper value cannot be figured out within the specified time by the correction of the patch density correction /K. Or, the proper value of the developing DC output is 0 or lower.	• Printer control board (PRCB) • Developing unit /K • IDC sensor (IDCS) • IDC shutter solenoid (SD3)
Main body: Dot diameter correction abnormality	C-2821	The output voltage of the IDC sensor (IDCS) is detected more that the specified value on the patch /Y of the MPC maximum output.	• Printer control board (PRCB) • Developing unit /Y • IDC sensor (IDCS) • IDC shutter solenoid (SD3)
Main body: Dot diameter correction abnormality	C-2822	C-2822 The output voltage of the IDC sensor (IDCS) is detected more that the specified value on the patch /M of the MPC maximum output.	• Printer control board (PRCB) • Developing unit /M • IDC sensor (IDCS) • IDC shutter solenoid (SD3)
Main body: Dot diameter correction abnormality	C-2823	The output voltage of the IDC sensor (IDCS) is detected more that the specified value on the patch /C of the MPC maximum output.	• Printer control board (PRCB) • Developing unit /C • IDC sensor (IDCS) • IDC shutter solenoid (SD3)
Main body: Dot diameter correction abnormality	C-2824	The output voltage of the IDC sensor (IDCS) is detected more that the specified value on the patch /K of the MPC maximum output.	Printer control board (PRCB) • Developing unit /K • IDC sensor (IDCS) • IDC shutter solenoid (SD3)
	C-2831	The proper value cannot be figured out within the specified time by the correction of the dot diameter correction /Y. Or, the MPC proper value is 0 or lower.	• Printer control board (PRCB) • Developing unit /Y • IDC sensor (IDCS) • IDC shutter solenoid (SD3) • Writing unit /Y • Printer image processing board (PRIPB)
	C-2832	The proper value cannot be figured out within the specified time by the correction of the dot diameter correction /M. Or, the MPC proper value is 0 or lower.	• Printer control board (PRCB) • Developing unit /M • IDC sensor (IDCS) • IDC shutter solenoid (SD3) • Writing unit /M • Printer image processing board (PRIPB)
	C-2833	The proper value cannot be figured out within the specified time by the correction of the dot diameter correction /C. Or, the MPC proper value is 0 or lower.	• Printer control board (PRCB) • Developing unit /C • IDC sensor (IDCS) • IDC shutter solenoid (SD3) • Writing unit /C • Printer image processing board (PRIPB)
	C-2834	The proper value cannot be figured out within the specified time by the correction of the dot diameter correction /K. Or, the MPC proper value is 0 or lower.	• Printer control board (PRCB) • Developing unit /K • IDC sensor (IDCS) • IDC shutter solenoid (SD3) • Writing unit /K • Printer image processing board (PRIPB)
Main body: Gamma correction abnormality	C-2840	The IDC sensor (IDCS) output value is detected not within the specified range on the IDC sensor (IDCS) base correction when the rough adjustment ends.	• Printer control board (PRCB) • IDC sensor (IDCS) • IDC shutter solenoid (SD3)
Main body: Gamma correction abnormality	C-2841	The LED applied voltage is detected not within the specified range on the IDC sensor (IDCS) base correction.	• Printer control board (PRCB) • IDC sensor (IDCS)
Main body: Motor abnormality	C-3101	An error detection signal of M29 is detected continuously for a specified period of time while the fusing motor (M29) is ON.	• Conveyance drive board (CDB) • Printer control board (PRCB) • Fusing motor (M29)
Main body: Motor abnormality	C-3102	While the fusing release home sensor (PS16) is ON, PS16 does not turn OFF within a specified period of time after the fusing motor (M29) turns ON. While PS16 is OFF, PS16 does not turn ON within a specified period of time after M29 turns ON.	• Conveyance drive board (CDB) • Printer control board (PRCB) • Fusing motor (M29) • Fusing release home sensor (PS16)
	C-3103	The 2nd transfer pressure release motor (M34) does not turn OFF within a specified period of time after it turns ON.	• Conveyance drive board (CDB) • 2nd transfer pressure release motor (M34) • 2nd transfer HP sensor (PS24)
Main body: Fan abnormality	C-3301*	An error detection signal of FM37 is detected continuously for a specified period of time while the fusing ventilation fan (FM37) is ON.	• Printer control board (PRCB) • Fusing ventilation fan (FM37)
Main body: Fan abnormality	C-3302*	An error detection signal of FM10 is detected continuously for a specified period of time while the fusing belt ventilation fan (FM10) is ON.	• Printer control board (PRCB) • Fusing belt ventilation fan (FM10)
Main body: Fan abnormality	C-3303	An error detection signal of FM65 is detected continuously for a specified period of time while the fusing cooling fan (FM65) is ON.	• Conveyance drive board (CDB) • Fusing cooling fan (FM65)
Main body: Fan abnormality	C-3304	An error detection signal of any of FM7, FM8 or FM9 is detected continuously for a specified period of time while the fusing separation fans /1 (FM7), /2 (FM8) and /3 (FM9) are ON.	• Printer control board (PRCB) • Fusing separation fan /1 (FM7) • Fusing separation fan /2 (FM8) • Fusing separation fan /3 (FM9)
Main body: Fusing high temperature abnormality	C-3501*	Fusing high temperature abnormality The temperature sensor /1 (TH1) detects 250 °C or higher value continuously for a specified period of time.	• Fusing unit • Printer control board (PRCB) • AC drive board (ACDB) • Fusing heater lamp /1 (L2) • Fusing heater lamp /2 (L3) • Fusing heater lamp /3 (L4) • Temperature sensor /1 (TH1)
Main body: Fusing high temperature abnormality	C-3502*	Fusing high temperature abnormality The temperature sensor /3 (TH3) detects 250 °C or higher value continuously for a specified period of time.	• Fusing unit • Printer control board (PRCB) • AC drive board (ACDB) • Fusing heater lamp /1 (L2) • Fusing heater lamp /2 (L3) • Fusing heater lamp /3 (L4) • Temperature sensor /3 (TH3)
Main body: Fusing high temperature abnormality	C-3503*	Fusing high temperature abnormality The temperature sensor /2 (TH2) detects 250 °C or higher value continuously for a specified period of time.	• Fusing unit • Printer control board (PRCB) • AC drive board (ACDB) • Fusing heater lamp /4 (L5) • Temperature sensor /2 (TH2)
Main body: Fusing high temperature abnormality	C-3504*	Fusing high temperature abnormality The temperature sensor /4 (TH4) detects 250 °C or higher value continuously for a specified period of time.	• Fusing unit • Printer control board (PRCB) • AC drive board (ACDB) • Fusing heater lamp /4 (L5) • Temperature sensor /4 (TH4)
	C-3505*	Fusing high temperature abnormality The temperature sensor /1 (TH1) detects 150 °C or higher value continuously for a specified period of time.	• Fusing unit • Printer control board (PRCB) • AC drive board (ACDB) • Fusing heater lamp /1 (L2) • Fusing heater lamp /2 (L3) • Fusing heater lamp /3 (L4) • Temperature sensor /1 (TH1)
	C-3506*	Fusing high temperature abnormality The temperature sensor /2 (TH2) detects 150 °C or higher value continuously for a specified period of time.	• Fusing unit • Printer control board (PRCB) • AC drive board (ACDB) • Fusing heater lamp /4 (L5) • Temperature sensor /2 (TH2)
	C-3508*	Paper is wound around the fusing roller. J31-02 occurs 4 times in a row.	• Fusing unit • Printer control board (PRCB) • Conveyance drive board (CDB) • Registration motor (M30) • High voltage unit /1 (HV1) • High voltage unit /2 (HV2) • Fusing paper exit sensor (PS17)
	C-3509*	Fusing roller /Up temperature gap abnormality When the fusing roller /Up is higher than the specified temperature, the gap detected by the temperature sensors /1 (TH1) and /3 (TH3)are larger than the specified value.	• Fusing unit • Printer control board (PRCB) • AC drive board (ACDB) • Fusing heater lamp /1 (L2) • Fusing heater lamp /2 (L3) • Fusing heater lamp /3 (L4) • Temperature sensor /1 (TH1) • Temperature sensor /3 (TH3)
Main body: Fusing low temperature abnormality	C-3801*	Fusing low temperature abnormality. While fusing idling or printing, the temperature sensor /1 (TH1) detects lower than the specified temperature for a specified period of time.	• Fusing unit • Printer control board (PRCB) • AC drive board (ACDB) • Fusing heater lamp /1 (L2) • Fusing heater lamp /2 (L3) • Fusing heater lamp /3 (L4) • Temperature sensor /1 (TH1) • Thermostat /1 (TS1) • Thermostat /2 (TS2)
	C-3802*	Fusing low temperature abnormality. While fusing idling or printing, the temperature sensor /3 (TH3) detects lower than the specified temperature for a specified period of time.	• Fusing unit • Printer control board (PRCB) • AC drive board (ACDB) • Fusing heater lamp /1 (L2) • Fusing heater lamp /2 (L3) • Fusing heater lamp /3 (L4) • Temperature sensor /3 (TH3) • Thermostat /1 (TS1) • Thermostat /2 (TS2)
	C-3803*	Fusing low temperature abnormality. While fusing idling or printing, the temperature sensor /2 (TH2) detects lower than the specified temperature for a specified period of time.	• Fusing unit • Printer control board (PRCB) • AC drive board (ACDB) • Fusing heater lamp /4 (L5) • Temperature sensor /2 (TH2) • Thermostat /3 (TS3)
(kythuatmayin.vn)	C-3804*	Fusing low temperature abnormality. While fusing idling or printing, the temperature sensor /4 (TH4) detects lower than the specified temperature for a specified period of time.	• Fusing unit • Printer control board (PRCB) • AC drive board (ACDB) • Fusing heater lamp /4 (L5) • Temperature sensor /4 (TH4) • Thermostat /3 (TS3)
	C-3805*	Fusing low temperature abnormality. While fusing idling or printing, the temperature sensor /1 (TH1) detects lower than the specified temperature for a specified period of time.	• Fusing unit • Printer control board (PRCB) • AC drive board (ACDB) • Fusing heater lamp /1 (L2) • Fusing heater lamp /2 (L3) • Fusing heater lamp /3 (L4) • Temperature sensor /1 (TH1) • Thermostat /1 (TS1) • Thermostat /2 (TS2)
	C-3806*	Fusing low temperature abnormality. While fusing idling or printing, the temperature sensor /2 (TH2) detects lower than the specified temperature for a specified period of time.	• Fusing unit • Printer control board (PRCB) • AC drive board (ACDB) • Fusing heater lamp /4 (L5) • Temperature sensor /2 (TH2) • Thermostat /3 (TS3)
Main body: Fusing sensor abnormality	C-3901*	Fusing high temperature abnormality (hardware detection). The temperature sensor /3 (TH3) detects an error detection signal continuously for a specified period of time.	• Fusing unit • Printer control board (PRCB) • AC drive board (ACDB) • Fusing heater lamp /1 (L2) • Fusing heater lamp /2 (L3) • Fusing heater lamp /3 (L4) • Temperature sensor /3 (TH3)
	C-3902*	Fusing high temperature abnormality (hardware detection). The temperature sensor /4 (TH4) detects an error detection signal continuously for a specified period of time.	• Fusing unit • Printer control board (PRCB) • AC drive board (ACDB) • Fusing heater lamp /4 (L5) • Temperature sensor /4 (TH4)
	C-3903*	Fusing low temperature abnormality (hardware detection) The temperature sensor /1 (TH1) detects an error detection signal continuously for a specified period of time.	• Fusing unit • Printer control board (PRCB) • AC drive board (ACDB) • Fusing heater lamp /1 (L2) • Fusing heater lamp /2 (L3) • Fusing heater lamp /3 (L4) • Temperature sensor /1 (TH1) • Thermostat /1 (TS1) • Thermostat /2 (TS2)
	C-3904*	Fusing low temperature abnormality (hardware detection) The temperature sensor /3 (TH3) detects an error detection signal continuously for a specified period of time.	• Fusing unit • Printer control board (PRCB) • AC drive board (ACDB) • Fusing heater lamp /1 (L2) • Fusing heater lamp /2 (L3) • Fusing heater lamp /3 (L4) • Temperature sensor /3 (TH3) • Thermostat /1 (TS1) • Thermostat /2 (TS2)
	C-3905*	Fusing low temperature abnormality (hardware detection). The temperature sensor /2 (TH2) detects an error detection signal continuously for a specified period of time.	• Fusing unit • Printer control board (PRCB) • AC drive board (ACDB) • Fusing heater lamp /4 (L5) • Temperature sensor /2 (TH2) • Thermostat /3 (TS3)
	C-3906*	Fusing low temperature abnormality (hardware detection). The temperature sensor /4 (TH4) detects an error detection signal continuously for a specified period of time.	• Fusing unit • Printer control board (PRCB) • AC drive board (ACDB) • Fusing heater lamp /4 (L5) • Temperature sensor /4 (TH4) • Thermostat /3 (TS3)
	C-3907*	Fusing high temperature abnormality (hardware detection). The temperature sensor /1 (TH1) detects an error detection signal continuously for a specified period of time.	• Fusing unit • Printer control board (PRCB) • AC drive board (ACDB) • Fusing heater lamp /1 (L2) • Fusing heater lamp /2 (L3) • Fusing heater lamp /3 (L4) • Temperature sensor /1 (TH1)
	C-3908*	Fusing low temperature abnormality (hardware detection). The temperature sensor /1 (TH1) detects an error detection signal continuously for a specified period of time.	• Fusing unit • Printer control board (PRCB) • AC drive board (ACDB) • Fusing heater lamp /1 (L2) • Fusing heater lamp /2 (L3) • Fusing heater lamp /3 (L4) • Temperature sensor /1 (TH1) • Thermostat /1 (TS1) • Thermostat /2 (TS2)
	C-3909*	Fusing high temperature abnormality (hardware detection). The temperature sensor /2 (TH2) detects an error detection signal continuously for a specified period of time.	• Fusing unit • Printer control board (PRCB) • AC drive board (ACDB) • Fusing heater lamp /4 (L5) • Temperature sensor /2 (TH2)
	C-3910*	Fusing low temperature abnormality (hardware detection). The temperature sensor /2 (TH2) detects an error detection signal continuously for a specified period of time.	• Fusing unit • Printer control board (PRCB) • AC drive board (ACDB) • Fusing heater lamp /4 (L5) • Temperature sensor /2 (TH2) • Thermostat /3 (TS3)
	C-3911*	The detected temperature of the temperature sensor / 1 (TH1) has not reached to 100°C within the specified period of time after the sub power switch (SW2) turned ON.	• Fusing unit • Printer control board (PRCB) • AC drive board (ACDB) • Fusing heater lamp /1 (L2) • Fusing heater lamp /2 (L3) • Fusing heater lamp /3 (L4) • Temperature sensor /1 (TH1) • Thermostat /1 (TS1) • Thermostat /2 (TS2)
	C-3912*	The detected temperature of the temperature sensor / 2 (TH2) has not reached to 100°C within the specified period of time after the sub power switch (SW2) turned ON.	Fusing unit • Printer control board (PRCB) • AC drive board (ACDB) • Fusing heater lamp /4 (L5) • Temperature sensor /2 (TH2) • Thermostat /3 (TS3)
(kythuatmayin.vn)	C-3913*	The fusing unit is not set.	• Fusing unit • Printer control board (PRCB)
	C-3914*	Fusing high temperature abnormality (hardware detection). The temperature sensor /1 (TH1) detects an error detection signal continuously for a specified period of time.	• Fusing unit • Printer control board (PRCB) • AC drive board (ACDB) • Fusing heater lamp /1 (L2) • Fusing heater lamp /2 (L3) • Fusing heater lamp /3 (L4) • Temperature sensor /1 (TH1)
	C-3915*	Fusing high temperature abnormality (hardware detection). The temperature sensor /2 (TH2) detects an error detection signal continuously for a specified period of time.	• Fusing unit • Printer control board (PRCB) • AC drive board (ACDB) • Fusing heater lamp /4 (L5) • Temperature sensor /2 (TH2)
Main body: Polygon motor abnormality	C-4101	When the polygon motor / Y (M70) in the writing unit starts up or its speed changes, the lock signal of M70 is not detected within a specified period of time.	• Printer control board (PRCB) • Writing unit
Main body: Polygon motor abnormality	C-4102	When the polygon motor / M (M71) in the writing unit starts up or its speed changes, the lock signal of M71 is not detected within a specified period of time.	• Printer control board (PRCB) • Writing unit
Main body: Polygon motor abnormality	C-4103	When the polygon motor / C (M72) in the writing unit starts up or its speed changes, the lock signal of M72 is not detected within a specified period of time.	• Printer control board (PRCB) • Writing unit
Main body: Polygon motor abnormality	C-4104	When the polygon motor / K (M73) in the writing unit starts up or its speed changes, the lock signal of M73 is not detected within a specified period of time.	• Printer control board (PRCB) • Writing unit
Main body: Polygon motor abnormality	C-4111	A temperature abnormality of the polygon motor /Y (M70) in the writing unit is detected.	• Printer control board (PRCB) • Writing unit
Main body: Polygon motor abnormality	C-4112	A temperature abnormality of the polygon motor /M (M71) in the writing unit is detected.	• Printer control board (PRCB) • Writing unit
Main body: Polygon motor abnormality	C-4113	A temperature abnormality of the polygon motor /C (M72) in the writing unit is detected.	• Printer control board (PRCB) • Writing unit
Main body: Polygon motor abnormality	C-4114	A temperature abnormality of the polygon motor /K (M73) in the writing unit is detected.	• Printer control board (PRCB) • Writing unit
Main body: Polygon motor abnormality	C-4120	The temperature sensor in the writing unit /K detects the temperature abnormality.	• Printer control board (PRCB) • Writing unit
Main body: Fan abnormality	C-4301	An error detection signal of any of M45 or M46 is detected continuously for a specified period of time while the developing fans (FM45) and /2 (FM46) are ON.	• Printer control board (PRCB) • Developing fan /1 (FM45) • Developing fan /2 (FM46)
Main body: Writing correction drive abnormality	C-4501	The tilt correction home sensor /Y (PS70) turns OFF while the tilt correction motor /Y (M74) in the writing unit is ON.	• Printer control board (PRCB) • Writing unit
Main body: Writing correction drive abnormality	C-4502	The tilt correction home sensor /M (PS71) turns OFF while the tilt correction motor /M (M75) in the writing unit is ON.	• Printer control board (PRCB) • Writing unit
	C-4503	The tilt correction home sensor /C (PS72) turns OFF while the tilt correction motor /C (M76) in the writing unit is ON.	• Printer control board (PRCB) • Writing unit
	C-4504	The tilt correction home sensor /K (PS73) turns OFF while the tilt correction motor /K (M77) in the writing unit is ON.	• Printer control board (PRCB) • Writing unit
	C-4511	The tilt correction motor /Y (M74) does not turn OFF within a specified period of time after it turns ON. Or, the installation position of the tilt correction home sensor /Y (PS70) is improper.	• Printer control board (PRCB) • Tilt correction motor /Y (M74) • Skew correction home sensor /Y (PS70)
(kythuatmayin.vn)	C-4512	The tilt correction motor /Y (M75) does not turn OFF within a specified period of time after it turns ON. Or, the installation position of the tilt correction home sensor /M (PS71) is improper.	• Printer control board (PRCB) • Tilt correction motor /M (M75) • Skew correction home sensor /M (PS71)
	C-4513	The tilt correction motor /C (M76) does not turn OFF within a specified period of time after it turns ON. Or, the installation position of the tilt correction home sensor /C (PS72) is improper.	• Printer control board (PRCB) • Tilt correction motor /C (M76) • Tilt correction home sensor /C (PS72)
	C-4514	The tilt correction motor /K (M77) does not turn OFF within a specified period of time after it turns ON. Or, the installation position of the tilt correction home sensor /K (PS73) is improper.	• Printer control board (PRCB) • Tilt correction motor /K (M77) • Tilt correction home sensor /K (PS73)
Main body: Color registration abnormality	C-4520	The color registration correction has terminated abnormally.	• Printer control board (PRCB) • Color registration sensor /Fr (PS8) • Color registration sensor /Rr (PS9)
Main body: Color registration abnormality	C-4521	The color registration base line correction /Fr has terminated abnormally.	• Printer control board (PRCB) • Color registration sensor /Fr (PS8) • Color registration shutter solenoid (SD2)
Main body: Color registration abnormality	C-4522	The color registration base line correction /Rr has terminated abnormally.	• Printer control board (PRCB) • Color registration sensor /Rr (PS9) • Color registration shutter solenoid (SD2)
Main body: Beam interval correction abnormality	C-4545	The beam interval correction (Y) has terminated abnormally.	Writing unit
Main body: Beam interval correction abnormality	C-4546	The beam interval correction (M) has terminated abnormally.	Writing unit
Main body: Beam interval correction abnormality	C-4547	The beam interval correction (C) has terminated abnormally.	Writing unit
	C-4548	The beam interval correction (K) has terminated abnormally.	Writing unit
Main body: Color registration board /Fr (Y) data undetected abnormality	C-4601	The color registration board /Fr (CRB/Fr) has not detected any data of Y toner.	• Printer control board • Color registration sensor /Fr (PS8) • Color registration board / Fr (CRB/Fr) • Color registration shutter solenoid (SD2)
Main body: Color registration board /Fr (M) data undetected abnormality	C-4602	The color registration board /Fr (CRB/Fr) has not detected any data of M toner.	• Printer control board • Color registration sensor /Fr (PS8) • Color registration board / Fr (CRB/Fr) • Color registration shutter solenoid (SD2)
Main body: Color registration board /Fr (C) data undetected abnormality	C-4603	The color registration board /Fr (CRB/Fr) has not detected any data of C toner.	• Printer control board • Color registration sensor /Fr (PS8) • Color registration board / Fr (CRB/Fr) • Color registration shutter solenoid (SD2)
Main body: Color registration board /Fr (K) data undetected abnormality	C-4604	The color registration board /Fr (CRB/Fr) has not detected any data of K toner.	• Printer control board • Color registration sensor /Fr (PS8) • Color registration board / Fr (CRB/Fr) • Color registration shutter solenoid (SD2)
Main body: Color registration board /Rr (Y) data undetected abnormality	C-4621	The color registration board /Rr (CRB/Rr) has not detected any data of Y toner.	• Printer control board • Color registration sensor /Rr (PS9) • Color registration board / Rr (CRB/Rr) • Color registration shutter solenoid (SD2)
Main body: Color registration board /Rr (M) data undetected abnormality	C-4622	The color registration board /Rr (CRB/Rr) has not detected any data of M toner.	• Printer control board • Color registration sensor /Rr (PS9) • Color registration board / Rr (CRB/Rr) • Color registration shutter solenoid (SD2)
Main body: Color registration board /Rr (C) data undetected abnormality	C-4623	The color registration board /Rr (CRB/Rr) has not detected any data of C toner.	• Printer control board • Color registration sensor /Rr (PS9) • Color registration board / Rr (CRB/Rr) • Color registration shutter solenoid (SD2)
Main body: Color registration board /Rr (K) data undetected abnormality	C-4624	The color registration board /Rr (CRB/Rr) has not detected any data of K toner.	• Printer control board • Color registration sensor /Rr (PS9) • Color registration board / Rr (CRB/Rr) • Color registration shutter solenoid (SD2)
Main body: Color registration board /Fr (Y) abnormality	C-4631	The histogram processing of Y toner has terminated abnormally on the color registration board /Fr (CRB/Fr).	• Printer control board • Color registration sensor /Fr (PS8) • Color registration board / Fr (CRB/Fr) • Color registration shutter solenoid (SD2)
Main body: Color registration board /Fr (M) abnormality	C-4632	The histogram processing of M toner has terminated abnormally on the color registration board /Fr (CRB/Fr).	• Printer control board • Color registration sensor /Fr (PS8) • Color registration board / Fr (CRB/Fr) • Color registration shutter solenoid (SD2)
Main body: Color registration board /Fr (C) abnormality	C-4633	The histogram processing of C toner has terminated abnormally on the color registration board /Fr (CRB/Fr).	• Printer control board • Color registration sensor /Fr (PS8) • Color registration board / Fr (CRB/Fr) • Color registration shutter solenoid (SD2) (kythuatmayin.vn)
Main body: Color registration board /Fr (K) abnormality	C-4634	The histogram processing of K toner has terminated abnormally on the color registration board /Fr (CRB/Fr).	• Printer control board • Color registration sensor /Fr (PS8) • Color registration board / Fr (CRB/Fr) • Color registration shutter solenoid (SD2)
Main body: Color registration board /Rr (Y) abnormality	C-4651	The histogram processing of Y toner has terminated abnormally on the color registration board /Rr (CRB/Rr).	• Printer control board • Color registration sensor /Rr (PS9) • Color registration board / Rr (CRB/Rr) • Color registration shutter solenoid (SD2)
Main body: Color registration board /Rr (M) abnormality	C-4652	The histogram processing of M toner has terminated abnormally on the color registration board /Rr (CRB/Rr).	• Printer control board • Color registration sensor /Rr (PS9) • Color registration board / Rr (CRB/Rr) • Color registration shutter solenoid (SD2)
Main body: Color registration board /Rr (C) abnormality	C-4653	The histogram processing of C toner has terminated abnormally on the color registration board /Rr (CRB/Rr).	• Printer control board • Color registration sensor /Rr (PS9) • Color registration board / Rr (CRB/Rr) • Color registration shutter solenoid (SD2)
Main body: Color registration board /Rr (K) abnormality	C-4654	The histogram processing of K toner has terminated abnormally on the color registration board /Rr (CRB/Rr).	• Printer control board • Color registration sensor /Rr (PS9) • Color registration board / Rr (CRB/Rr) • Color registration shutter solenoid (SD2)
Main body: Color registration correction abnormality (Y)	C-4661	The color registration correction /Y has terminated abnormally.	• Printer control board • Color registration sensor /Fr (PS8), /Rr (PS9) • Color registration board / Fr (CRB/Fr), /Rr (CRB/ Rr) • Color registration shutter solenoid (SD2)
Main body: Color registration correction abnormality (M)	C-4662	The color registration correction /M has terminated abnormally.	• Printer control board • Color registration sensor /Fr (PS8), /Rr (PS9) • Color registration board / Fr (CRB/Fr), /Rr (CRB/ Rr) • Color registration shutter solenoid (SD2)
Main body: Color registration correction abnormality (C)	C-4663	The color registration correction /C has terminated abnormally.	• Printer control board • Color registration sensor /Fr (PS8), /Rr (PS9) • Color registration board / Fr (CRB/Fr), /Rr (CRB/ Rr) • Color registration shutter solenoid (SD2)
Main body: Image processing abnormality	C-4701	FIFO address abnormality for the printer. While in the image write, the expansion processing of image data that is read in does not terminate correctly.	• Printer control board (PRCB) • Overall control board (OACB) • Memory control board /1 (MCB1)
Main body: Image processing abnormality	C-4702	An error interrupt occurs with the compression/ expansion chip FIFO.	• Overall control board (OACB) • Memory control board /1 (MCB1)
Main body: Image processing abnormality	C-4703	Image data expansion abnormality.	• Overall control board (OACB) • Memory control board /1 (MCB1)
Main body: Image processing abnormality	C-4705	While in the image write, the expansion processing from the memory to the printer does not terminate within a specified period of time. The output from the page memory to the printer does not terminate within a specified period of time. The PVV is not detected within a specified period of time.	• Printer control board (PRCB) • Printer image processing board (PRIPB) • Memory control board /1 (MCB1) • Overall control board (OACB)
Main body: Image processing abnormality	C-4706	While in the image write, despite of no resource provided, an inappropriate processing such as accessing to the elongation device is made.	• Overall control board (OACB) • Memory control board /1 (MCB1) • Program of overall control board (OACB)
Main body: Image processing abnormality	C-4708	When accessing to the memory device, a defective software is detected.	• Overall control board (OACB) • Memory control board /1 (MCB1) • Program of overall control board (OACB)
Main body: Image processing abnormality	C-4709	The expansion processing from the memory to the page memory does not terminate within a specified period of time. The compression processing from the page memory to the memory does not terminate within a specified period of time. The development from the memory to the page memory does not terminate within a specified period of time. The transmission of the compressed data from memory to memory does not terminated within a specified period of time.	• Overall control board (OACB) • Memory control board /1 (MCB1) • Program of overall control board (OACB)
(kythuatmayin.vn)	C-4713	A page memory for printing cannot be secured.	• Printer image processing board (PRIPB) • Memory control board /1 (MCB1) • Overall control board (OACB)
Main body: Image processing abnormality /Y	C-4714	When executing APC, the Index sensor output does not change. The index sensor failed to detect the laser because the polygon mirror does not rotate, the position of the index sensor is improper, or the index sensor is defective.	• Printer image processing board (PRIPB) • Writing unit /Y
Main body: Image processing abnormality /M	C-4715	When executing APC, the Index sensor output does not change. The index sensor failed to detect the laser because the polygon mirror does not rotate, the position of the index sensor is improper, or the index sensor is defective.	• Printer image processing board (PRIPB) • Writing unit /M
Main body: Image processing abnormality /C	C-4716	When executing APC, the Index sensor output does not change. The index sensor failed to detect the laser because the polygon mirror does not rotate, the position of the index sensor is improper, or the index sensor is defective.	• Printer image processing board (PRIPB) • Writing unit /C
Main body: Image processing abnormality /K	C-4717	When executing APC, the Index sensor output does not change. The index sensor failed to detect the laser because the polygon mirror does not rotate, the position of the index sensor is improper, or the index sensor is defective.	• Printer image processing board (PRIPB) • Writing unit/K
Main body: Image processing abnormality /Y	C-4718	APC abnormality. The laser does not turn ON because 12V DC power source for driving laser is not fed, MPC is wrong, or the laser is defective.	• Printer image processing board (PRIPB) • Writing unit /Y
Main body: Image processing abnormality /M	C-4719	APC abnormality. The laser does not turn ON because 12V DC power source for driving laser is not fed, MPC is wrong, or the laser is defective.	• Printer image processing board (PRIPB) • Writing unit /M
Main body: Image processing abnormality /C	C-4720	APC abnormality. The laser does not turn ON because 12V DC power source for driving laser is not fed, MPC is wrong, or the laser is defective.	• Printer image processing board (PRIPB) • Writing unit /C
Main body: Image processing abnormality /K	C-4721	APC abnormality. The laser does not turn ON because 12V DC power source for driving laser is not fed, MPC is wrong, or the laser is defective.	• Printer image processing board (PRIPB) • Writing unit/K
Main body: Image processing abnormality /Y	C-4722	Connection abnormality between the index board / Y (IDB/Y) or the laser drive board /Y (LDB/Y) and the printer image processing board (PRIPB).	• Printer image processing board (PRIPB) • Writing unit /Y
Main body: Image processing abnormality /M	C-4723	Connection abnormality between the index board / M (IDB/M) or the laser drive board /M (LDB/M) and the printer image processing board (PRIPB).	• Printer image processing board (PRIPB) • Writing unit /M (kythuatmayin.vn)
Main body: Image processing abnormality /C	C-4724	Connection abnormality between the index board / C (IDB/C) or the laser drive board /C (LDB/C) and the printer image processing board (PRIPB).	• Printer image processing board (PRIPB) • Writing unit /C
Main body: Image processing abnormality /K	C-4725	Connection abnormality between the index board / K (IDB/K) or the laser drive board /K (LDB/K) and the printer image processing board (PRIPB).	• Printer image processing board (PRIPB) • Writing unit/K
Main body: Image processing abnormality	C-4840	The engine section has kept driving continuously for a specified period of time without producing image or process patch.	• Printer control board (PRCB) • Printer control program
Main body: Image processing abnormality	C-4850*	The overall control software accesses an illegal address.	Overall control board (OACB)
Main body: Communication error	C-5001	12V DC abnormality. An error signal is detected continuously for a specified period of time.	• DC power supply /1 (DCPS1) • Printer control board (PRCB)
Main body: Communication error	C-5002	24V DC abnormality. An error signal is detected continuously for a specified period of time after REN/2 turns ON.	• Printer control board (PRCB) • DC power supply /2 (DCPS2) • Each loading of PRCB connection (motor, solenoid and clutch)
Main body: Communication error	C-5003	Conveyance drive board (CDB) 24VDC abnormality. An error signal of 24VDC for CDB is detected.	• DC power supply /2 (DCPS2) • Conveyance drive board (CDB)
Main body: Communication error	C-5004	Laser correction motor 5VDC abnormality An abnormality of 5VDC for the tilt correction motors /Y (M74), /M (M75), /C (M76), /K (M77)	DC power supply /1 (DCPS1)
Main body: Communication error	C-5005	Conveyance drive board (CDB) 12VDC abnormality.	• Printer control board (PRCB) • Conveyance drive board (CDB)
Main body: Communication error	C-5010	A line status error or a checksum error occured between the overall control board (OACB) and the printer control board (PRIPB) is detected and it cannot be recovered by sending a retransmission request. Recovery failed even after the requested retransmission is performed. A sufficient space cannot be obtained in the circular buffer within a specified period of time.	• Printer control board (PRCB) • Overall control board (OACB)
Main body: Fan abnormality	C-5301	An error detection signal of FM1 or FM3 is detected continuously for a specified period of time while the power supply cooling fan /1 (FM1) and /3 (FM3) are ON.	• Overall control board (OACB) • Power supply cooling fan /1 (FM1) • Power supply cooling fan /3 (FM3)
Main body: Fan abnormality	C-5302	An error detection signal of FM5 is detected continuously for a specified period of time while the image processing cooling fan /1 (FM5) is ON.	• Overall control board (OACB) • Image processing cooling fan /1 (FM5)
Main body: Fan abnormality	C-5303	An error detection signal of FM6 is detected continuously for a specified period of time while the image processing cooling fan /2 (FM6) is ON.	• Overall control board (OACB) • Image processing cooling fan /2 (FM6)
Main body: HDD unit cooling fan abnormality	C-5304	An error detection signal of FM81 or FM82 is detected continuously for a specified period of time while the HDD unit cooling fans /1 (FM81) and /2 (FM82) are ON. An error detection signal is detected continuously while retrying power feed several times.	• HDD unit cooling fan /1 (FM81) • HDD unit cooling fan /2 (FM82)
Main body: Fan abnormality	C-5305	An error detection signal of FM4 is detected continuously for a specified period of time while the power supply cooling fan /4 (FM4) is ON.	• Printer control board (PRCB) • Power supply cooling fan /4 (FM4)
Main body: Scanner abnormality	C-6101	While in the home position search operation, the scanner home sensor (PS1) does not turn ON within a specified period of time after the scanner motor (M1) turns ON.	• Printer control board (PRCB) • Scanner drive board (SCDB) • Scanner motor (M1) • Scanner home sensor (PS1)
Main body: Scanner abnormality	C-6102	When in optics scan returning operation, the scanner home sensor (PS1) does not turn ON within a specified period of time after the scanner motor (M1) turns ON.	• Printer control board (PRCB) • Scanner drive board (SCDB) • Scanner motor (M1) • Scanner home sensor (PS1)
Main body: Fan abnormality	C-6301	An error detection signal of FM2 is detected continuously for a specified period of time while the scanner cooling fan (FM2) is ON.	• Printer control board (PRCB) • Scanner drive board (SCDB) • Scanner cooling fan (FM2)
Main body: Image processing	C-6701	When processing images, a filter coefficient cannot be created normally.	Scanner image processing board (SCIPB)
Main body: Image processing	C-6702	Address error of the scanner FIFO. While in the image read, the compression processing of image data that is read in does not terminate correctly.	Overall control board (OACB) • Memory control board /1 (MCB1)
	C-6703	After negation of SW, the compression of images that are read in and their development into the page memory are not terminated within a specified period of time.	• Scanner image processing board (SCIPB) • Memory control board /1 (MCB1) • Overall control board (OACB) • Printer control board (PRCB)
	C-6704	While in the image read, the compression processing from the scanner into the memory does not terminate within a specified period of time. The development from the scanner into the page memory does not terminate within a specified period of time. The SVV is not detected within a specified period of time.	• Scanner image processing board (SCIPB) • Memory control board /1 (MCB1) • Overall control board (OACB) • Printer control board (PRCB)
	C-6705	While in the image read, despite of no resource provided, an inappropriate processing such as accessing to the compression device is made.	• Scanner image processing board (SCIPB) • Memory control board /1 (MCB1)
	C-6706	While in the image read, SVV does not turn OFF within a specified period of time and the preparation for scanning the next page cannot be started.	• Scanner image processing board (SCIPB) • Memory control board /1 (MCB1) • Overall control board (OACB) • Printer control board (PRCB)
	C-6707	Shading correction abnormality (GA abnormality).	Scanner image processing board (SCIPB)
	C-6708	AOC/AGC adjustment abnormality The light blocking cover and the lens cover of the scanner section are removed. The connector of the CCD board (CCDB) is not disconnected. The power cable of CCDB is disconnected. The IC protector of the CCD board (CCDB) is removed. Overexposure of the exposure lamp (L1). L1 does not light.	• CCD board (CCDB) • Scanner image processing board (SCIPB) • CCD lens unit • Scanner drive board (SCDB) • Exposure lamp (L1) • Scanner inverter board (S_INVB)
	C-6709	The adjustment data evacuated by resolutions is not available.	• Scanner image processing board (SCIPB) • Memory control board /1 (MCB1) • Program of overall control board (OACB)
	C-6710	A density conversion gamma curve cannot be created normally.	• Scanner image processing board (SCIPB) • Memory control board /1 (MCB1) • Program of overall control board (OACB)
	C-6711	Pulse width modulation IC calibration cannot be started normally.	• Scanner image processing board (SCIPB) • Memory control board /1 (MCB1) • Program of overall control board (OACB)
	C-6712	Pulse width modulation IC calibration cannot be completed normally.	• Scanner image processing board (SCIPB) • Memory control board /1 (MCB1) • Program of overall control board (OACB)
	C-6713	APC initial sampling is started before MPC is completed.	• Printer image processing board (PRIPB) • Writing unit
	C-6714	MPC is started before APC is in progress.	• Printer image processing board (PRIPB) • Writing unit
	C-6715	Sub scan beam correction is started before APC or MPC is completed.	• Printer image processing board (PRIPB) • Program of printer control board (PRCB)
	C-6716	Sub scan beam interval correction is started with write clock abnormality occurred due to noncompletion of AD9561 initialization.	• Printer image processing board (PRIPB) • Program of printer control board (PRCB)
	C-6717	N-in-1 page area abnormality. Due to an image area abnormality of the memory, images cannot be expanded on the memory.	• Printer image processing board (PRIPB) • Program of printer control board (PRCB)
	C-6720	The scan operation starts before the centering adjustment is terminated.	Software bug
	C-6721	The AGC is retried due to the decreased light volume of the exposure lamp (L1). However, no error occurs.	• CCD board (CCDB) • Scanner image processing board (SCIPB) • CCD lens unit • Scanner drive board (SCDB) • Exposure lamp (L1)
(kythuatmayin.vn)	C-6722	A PWM gamma curve is not created properly.	• Printer image processing board (PRIPB) • Writing unit
	C-6723	Connection abnormality between the CCD board (CCDB) and the image processing board (IPB).	• Scanner image processing board (SCIPB) • CCD board (CCDB) • CCD lens unit • Exposure lamp (L1) • Scanner drive board (SCDB)
	C-6724	When the sub power switch (SW2) turns ON, connection check of reading system board failed.	• Scanner image processing board (SCIPB) • CCD board (CCDB) • CCD lens unit • Exposure lamp (L1) • Scanner drive board (SCDB) (kythuatmayin.vn)
	C-6725	The parameter setting cannot be performed while preparing for scanning.	Scanner image processing board (SCIPB)
Main body: Communication error	C-6801	C-6801 After the sub power switch (SW2) turns ON, the communication between the overall control board (OACB) and the operation board /1 (OB1) is not started within a specified period of time.	• Overall control board (OACB) • Operation board /1 (OB1)
Main body: Communication error	C-7001	Communication error.	Printer control board (PRCB)
DF: DF communication error	C-8001	Communication error between the main body and DF.	• Printer control board (PRCB) • DF control board (DFCB)
DF: Paper feed motor error	C-8101	Paper feed motor (M301) error	• Paper feed motor (M301) • DF control board (DFCB)
DF: Conveyance motor error	C-8102	Conveyance motor (M302) error	• Conveyance motor (M302) • DF control board (DFCB)
DF: Reverse/ paper exit motor error	C-8103	Reverse/paper exit motor (M303) error.	• Reverse/paper exit motor (M303) • DF control board (DFCB)
DF: Registration sensor error	C-8401	Registration sensor (PS301) error	• Original registration sensor (PS301) • DF control board (DFCB) (kythuatmayin.vn)
DF: Timing sensor error	C-8402	Timing sensor (PS302) error	• Timing sensor (PS302) • DF control board (DFCB)
DF: Reverse sensor error	C-8403	Reverse sensor (PS305) error	• Reverse sensor (PS305) • DF control board (DFCB)
DF: Paper exit sensor error	C-8404	Paper exit sensor (PS306) error	• Paper exit sensor (PS306) • DF control board (DFCB)
DF: Size VR error	C-8405	Size VR (VR301) error.	• Size VR (VR301) • DF control board (DFCB)
DF: Non-volatile memory error	C-8406	Non-volatile memory error	DF control board (DFCB)
DF: DF abnormality	C-8407	When the sub power switch (SW2) is ON, it is detected that the control program of the DF control board (DFCB) is unwritten.	DF control board (DFCB)
Main body: Communication error	C-C101	When the sub power switch (SW2) turns ON, a response from the printer control board (PRCB) has not received within a specified period of time.	• Printer control board (PRCB) • Overall control board (OACB)
Main body: Communication error	C-C102	Communication error of the printer control board (PRCB)	Printer control board (PRCB)
(kythuatmayin.vn)	C-C103	Communication error of the control panel	• Operation board /1 (OB1) • Printer image processing board (PRIPB) • Scanner image processing board (SCIPB) • Memory control board /1 (MCB) • Printer control board (PRCB) • Overall control board (OACB) • Sub power switch (SW2)
Main body: ISW abnormality	C-C104	When the sub power switch (SW2) turns ON, ISW unwritten area is detected in the printer control program.	Printer control firmware
Main body: ISW abnormality	C-C106	No normal header is transmitted within a specified period of time after ISW is started.	• Relay board /U (RBU) • USB memory
Main body: ISW abnormality	C-C107	While in data transmission by ISW, a checksum error or a header error is detected in the downloaded error.	• Relay board /U (RBU) • USB memory • Program file abnormality
Main body: ISW abnormality	C-C108	While in data transmission by ISW, data cannot be written in the flash ROM properly.	• Relay board /U (RBU) • UBS cables • Board to which the program is transferred
FS: FS ISW unwritten	C-C109	When the sub power switch (SW2) turns ON, ISW unwritten area is detected in the FS firmware.	• FNSCB firmware • FNS control board (FNSCB)
LS: LS ISW unwritten	C-C111	When the sub power switch (SW2) turns ON, ISW unwritten area is detected in the LS firmware (1st tandem).	• LSCB firmware • LS control board (LSCB)
LS: LS ISW unwritten	C-C112	When the sub power switch (SW2) turns ON, ISW unwritten area is detected in the LS firmware (2nd tandem).	• LSCB firmware • LS control board (LSCB)
FD: FD ISW unwritten	C-C113	When the sub power switch (SW2) turns ON, ISW unwritten area is detected in the FD firmware.	• FDCB firmware • FD control board (FDCB)
SD: SD-506 ISW unwritten	C-C114	When the sub power switch (SW2) turns ON, ISW unwritten area is detected in the SD firmware.	• SDCB firmware • SD control board (SDCB)
PB: PB ISW unwritten	C-C116	When the sub power switch (SW2) turns ON, ISW unwritten area is detected in the PB firmware.	• PB firmware • PB control board (PBCB) (kythuatmayin.vn)
GP: GP-501 ISW unwritten	C-C117	When the sub power switch (SW2) turns ON, ISW unwritten area is detected in the GP firmware.	• GP firmware • Punch Controller PCB
RU: RU-506 ISW unwritten	C-C118	When the sub power switch (SW2) turns ON, ISW unwritten area is detected in the RU firmware.	• RU-506 firmware • RU control board (RUCB)
RU: RU-509 ISW unwritten	C-C119	When the sub power switch (SW2) turns ON, ISW unwritten area is detected in the RU program.	• RU firmware • RU control board (RUCB)
Main body: ISW abnormality	C-C120	Printer control board (PRCB) firmware abnormality	Printer control firmware
Main body: HDD initialization abnormality	C-D0E0	There is HDD to be initialized.	• HDD/Y (HDD/Y) • HDD/M (HDD/M) • HDD/C (HDD/C) • HDD/K (HDD/K) • HDD/A (HDD/A) • HDD/P (HDD/P)
Main body: HDD abnormality (any of Y, M, C, K or A)	C-D0E1	HDD (Y/M/C/K/A) is not connected. Or damaged, or while in initialization.	• HDD/Y (HDD/Y) • HDD/M (HDD/M) • HDD/C (HDD/C) • HDD/K (HDD/K) • HDD/A (HDD/A) • Memory control board /1 (MCB1)
Main body: HDD/P abnormality	C-D0E2	HDD/P unconnected Or damaged, or while in initialization.	• HDD/P (HDD/P) • Memory control board /P (MCB/P)
Main body: HDD/Y read/ write abnormality	C-D0E3	Writing/reading to the HDD/Y failed.	HDD/Y (HDD/Y)
Main body: HDD/M read/ write abnormality	C-D0E4	Writing/reading to the HDD/M failed. (kythuatmayin.vn)	HDD/M (HDD/M)
Main body: HDD/C read/ write abnormality	C-D0E5	Writing/reading to the HDD/C failed.	HDD/C (HDD/C)
Main body: HDD/K read/ write abnormality	C-D0E6	Writing/reading to the HDD/K (HDD/K) failed.	HDD/K (HDD/K)
Main body: HDD/A read/ write abnormality	C-D0E7	Writing/reading to the HDD/A (HDD/A) failed.	HDD/A (HDD/A)
Main body: HDD/P read/ write abnormality	C-D0E8	Writing/reading to the HDD/P (HDD/P) failed.	• HDD/P (HDD/P) • Memory control board /P (MCB/P)
Main body: HDD verify abnormality	C-D0EF	An error is detected while in HDD verify check. * SC is not counted.	• HDD/Y (HDD/Y) • HDD/M (HDD/M) • HDD/C (HDD/C) • HDD/K (HDD/K) • HDD/A (HDD/A) • HDD/P (HDD/P) • Memory control board /1 (MCB1) • Memory control board /P (MCB/P) • Overall control board (OACB)
Main body: HDD Lock abnormality	C-D0F0	HDD Lock abnormality while in enhanced security. HDD is locked due to incorrect password, password unset or security OFF.	• HDD/Y (HDD/Y) • HDD/M (HDD/M) • HDD/C (HDD/C) • HDD/K (HDD/K) • HDD/A (HDD/A) • HDD/P (HDD/P)
Main body: Security abnormality	C-DC##	Security abnormality	Contact to Konica Minolta before carrying on the action.
Main body: Image processing abnormality	C-E001	The message queue is insufficient or destroyed.	• Scanner image processing board (SCIPB) • Printer image processing board (PRIPB) • Memory control board /1 (MCB1) • Program of overall control board (OACB)
	C-E002	The parameter value is in excess of the permissible limits.	• Scanner image processing board (SCIPB) • Printer image processing board (PRIPB) • Memory control board /1 (MCB1) • Program of overall control board (OACB)
	C-E003	The ID of the task that sends the message queue is undefined.	• Scanner image processing board (SCIPB) • Printer image processing board (PRIPB) • Memory control board /1 (MCB1) • Program of overall control board (OACB)
(kythuatmayin.vn)	C-E004	The receiving event of the message is undefined.	• Scanner image processing board (SCIPB) • Printer image processing board (PRIPB) • Memory control board /1 (MCB1) • Program of overall control board (OACB)
	C-E005	Memory access abnormality.	• Scanner image processing board (SCIPB) • Printer image processing board (PRIPB) • Memory control board /1 (MCB1) • Overall control board (OACB)
	C-E006	Header address read out abnormality.	• Scanner image processing board (SCIPB) • Printer image processing board (PRIPB) • Memory control board /1 (MCB1) • Overall control board (OACB)
	C-E007	Header address read out abnormality.	• Printer image processing board (PRIPB) • Memory control board /1 (MCB1) • Overall control board (OACB)
Main body: Output paper density automatic adjustment abnormality	C-E008	An error is detected while in the output paper density adjustment.	Color density sensor unit
Main body: Printer control non-volatile initial value abnormality	C-E009	Wrong initial value is detected in the printer control area.	• PRCB firmware • Printer control board (PRCB)

Phân loại	Mã lỗi	nguyên nhân	Điều Hướng (kythuatmayin.vn)
Main body: Communication error	C-0002	Communication error between the printer control board (PRCB) and the conveyance drive board (CDB	• Conveyance drive board (CDB) • Printer control board (PRCB) • DC power supply /1 (DCPS/1)
Main body: Paper feed motor abnormality	C-0101	An error detection signal is detected continuously for a specified period of time while the paper feed motor (M12) is ON.	• Paper feed motor (M12) • Printer control board (PRCB) • DC power supply /3 (DCPS/3) (kythuatmayin.vn)
Main body: ADU conveyance motor abnormality	C-0104	An error detection signal is detected continuously for a specified period of time while the ADU conveyance motor (M39) is ON.	ADU conveyance motor (M39) • Conveyance drive board (CDB) • DC power supply /3 (DCPS/3)
Main body: Paper exit motor abnormality	C-0105	An error detection signal is detected continuously for a specified period of time while the paper exit motor (M34) is ON.	• Paper exit motor (M34) • Printer control board (PRCB) • DC power supply /4 (DCPS/4)
Main body: Reverse decurler motor abnormality	C-0106	An error detection signal is detected continuously for a specified period of time while the reverse de-curler motor (M42) is ON.	• Reverse de-curler motor (M42) • Conveyance drive board (CDB) • DC power supply /2 (DCPS/2)
) Main body: Reverse motor abnormality	C-0107	An error detection signal is detected continuously for a specified period of time while the reverse motor (M43) is ON.	• Reverse motor (M43) • Conveyance drive board (CDB) • DC power supply /2 (DCPS/2)
Main body: ADU reverse motor abnormality	C-0108	An error detection signal is detected continuously for a specified period of time while the ADU reverse motor (M56) is ON.	• ADU reverse motor (M56) • Conveyance drive board (CDB) • DC power supply /2 (DCPS/2) (kythuatmayin.vn)
Main body: Registration motor circuit abnormality (kythuatmayin.vn)	C-0109	An error signal is detected while the registration motor (M58) is ON.	• Registration motor (M58) • Conveyance drive board (CDB) • DC power supply /2 (DCPS/2)
Main body: Loop motor /Fr drive circuit abnormality	C-0110	An error signal is detected while the loop motor /Fr (M44) is ON	• Loop motor /Fr (M44) • Conveyance drive board (CDB) • DC power supply /2 (DCPS/2)
Main body: Loop motor /Rr drive circuit abnormality	C-0111	An error signal is detected while the loop motor /Fr (M45) is ON.	• Loop motor /Rr (M45) • Conveyance drive board (CDB) • DC power supply /2 (DCPS/2)
Main body: ADU loop motor drive circuit abnormality	C-0112	An error signal is detected while the ADU loop motor (M57) is ON.	• ADU loop motor (M57) • Conveyance drive board (CDB) • DC power supply /2 (DCPS/2)
PF-704/705 (1st tandem): Loop motor abnormality	C-0113	An error signal is detected while the loop motor /1 (M5) is ON.	• Loop motor /1 (M5) • PF drive board (PFDB)
PF-704/705 (1st tandem): Loop motor abnormality	C-0114	An error signal is detected while the loop motor /2 (M6) is ON.	• Loop motor /2 (M6) • PF drive board (PFDB)
PF-704/705 (1st tandem): Paper feed belt motor abnormality	C-0115	An error signal is detected while the paper feed belt motor (M1) is ON.	• Paper feed belt motor (M1) • PF drive board (PFDB)
PF-704/705 (1st tandem): Horizontal conveyance motor abnormality	C-0116	An error signal is detected while the horizontal conveyance motor (M3) is ON	• Horizontal conveyance motor (M3) • PF drive board (PFDB)
PF-704/705 (1st tandem): Vertical conveyance motor abnormality	C-0117	An error signal is detected while the vertical conveyance motor (M2) is ON.	• Vertical conveyance motor (M2) • PF drive board (PFDB) (kythuatmayin.vn)
PF-704/705 (1st tandem): Tandem conveyance motor abnormality	C-0118	An error signal is detected while the tandem conveyance motor (M4) is ON.	• Tandem conveyance motor (M4) • PF drive board (PFDB)
PF-704 (2nd tandem): Loop motor abnormality	C-0119	An error signal is detected while the loop motor /1 (M5) is ON.	• Loop motor /1 (M5) • PF drive board (PFDB)
PF-704 (2nd tandem): Loop motor abnormality	C-0120	An error signal is detected while the loop motor /2 (M6) is ON.	• Loop motor /2 (M6) • PF drive board (PFDB)
PF-704 (2nd tandem): Paper feed belt motor abnormality	C-0121	An error signal is detected while the paper feed belt motor (M1) is ON.	• Paper feed belt motor (M1) • PF drive board (PFDB)
PF-704 (2nd tandem): Horizontal conveyance motor abnormality	C-0122	An error signal is detected while the horizontal conveyance motor (M3) is ON.	• Horizontal conveyance motor (M3) • PF drive board (PFDB)
PF-704 (2nd tandem): Vertical conveyance motor abnormality	C-0123	An error signal is detected while the vertical conveyance motor (M2) is ON.	• Vertical conveyance motor (M2) • PF drive board (PFDB)
EF: Entrance conveyance motor abnormality	C-0150	An error detection signal is detected continuously for a specified period of time while the entrance conveyance motor (M1) is ON.	• Entrance conveyance motor (M1) • EF control board (EFCB)
EF: Bypass conveyance motor abnormality	C-0151	An error detection signal is detected continuously for a specified period of time while the bypass conveyance motor (M2) is ON.	• Bypass conveyance motor (M2) • EF control board (EFCB)
Main body: Paper feed tray abnormality	C-0201	The upper limit sensor /1 (PS22) does not turn ON within a specified period of time after the tray lift-up motor /1 (M36) turns ON.	• Tray lift-up motor /1 (M36) • Upper limit sensor /1 (PS22) • Printer control board (PRCB)
Main body: Paper feed tray abnormality	C-0202	The upper limit sensor /2 (PS23) does not turn ON within a specified period of time after the tray lift-up motor /2 (M37) turns ON	• Tray lift-up motor /2 (M37) • Upper limit sensor / 2(PS23) • Printer control board (PRCB)
Main body: Paper feed tray abnormality	C-0203	The upper limit sensor /3 (PS24) does not turn ON within a specified period of time after the tray lift-up motor /3 (M38) turns ON.	• Tray lift-up motor /3 (M38) • Upper limit sensor /3 (PS24) • Printer control board (PRCB)
PF-704/705 (1st tandem): Paper lift motor /1 abnormality	C-0209	Power supply line fuse for the paper lift motor /1 (M7) blows out.	• PF drive board (PFDB) • Paper lift motor /1 (M7)
PF-704/705 (1st tandem): Paper lift motor /1 abnormality	C-0212	Power supply line fuse for the paper lift motor /2 (M8) blows out.	• PF drive board (PFDB) • Paper lift motor /2 (M8)
PF-704/705 (1st tandem): Paper lift motor /1 abnormality	C-0215	Power supply line fuse for the paper lift motor /3 (M9) blows out.	• PF drive board (PFDB) • Paper lift motor /3 (M9)
PF-704 (2nd tandem): Paper lift motor abnormality	C-0218	Power supply line fuse for the paper lift motor /1 (M7) blows out.	• PF drive board (PFDB) • Paper lift motor /1 (M7)
PF-704 (2nd tandem): Paper lift motor abnormality	C-0221	Power supply line fuse for the paper lift motor /2 (M8) blows out.	• PF drive board (PFDB) • Paper lift motor /2 (M8)
PF-704 (2nd tandem): Paper lift motor abnormality	C-0224	Power supply line fuse for the paper lift motor /3 (M9) blows out.	• PF drive board (PFDB) • Paper lift motor /3 (M9)
Main body: Deodorization fan abnormality	C-0301	An error detection signal is detected continuously for a specified period of time while the deodorization fans /1 (FM11) and /2 (FM12) are ON.	• Deodorization fan /1 (FM11), /2 (FM12) • Printer control board (PRCB)
Main body: Fan abnormality	C-0302	An error detection signal is detected continuously for a specified period of time while the tucking fans /1 (FM27), /2 (FM28) and /3 (FM29) are ON. An error detection signal is detected continuously while retrying power feed several times.	• Tucking fan /1 (FM27), / 2 (FM28), /3 (FM29) • Printer control board (PRCB)
(kythuatmayin.vn)	C-0303	An error detection signal is detected continuously for a specified period of time while the ADU cooling fan / 1 (FM36) is ON. An error detection signal is detected continuously while retrying power feed several times.	• ADU cooling fan /1 (FM36) • Conveyance drive board (CDB) • DC power supply /2 (DCPS/2) • Front door switch/4 (SW4)
	C-0304	An error detection signal is detected continuously for a specified period of time while the paper exit cooling fans /1 (FM24), /2 (FM25) and /3 (FM26) are ON. An error detection signal is detected continuously while retrying power feed several times.	• Paper exit cooling fan /1 (FM24), /2 (FM25), /3 (FM26) • Printer control board (PRCB)
	C-0305	An error detection signal is detected continuously for a specified period of time while the cooling fan (FM5) is ON. An error detection signal is detected continuously while retrying power feed several times.	• Cooling fan (FM5) • Printer control board (PRCB)
	C-0306	An error detection signal is detected continuously for a specified period of time while the ADU cooling fan / 2 (FM37) is ON. An error detection signal is detected continuously while retrying power feed several times.	• ADU cooling fan /2 (FM37) • Conveyance drive board (CDB) • DC power supply /2 (DCPS/2) • Front door switch /4 (SW4)
	C-0308	An error detection signal is detected continuously for a specified period of time while the ADU ventilation fans /1 (FM31), /2 (FM32) and the toner collection cooling fan (FM30) are ON. An error detection signal is detected continuously while retrying power feed several times.	• ADU ventilation fan /1 (FM31), (FM32) • Toner collection cooling fan (FM30) • Printer control board (PRCB)
(kythuatmayin.vn)	C-0309	An error detection signal is detected continuously for a specified period of time while the ADU cooling fan / 3 (FM38) is ON. An error detection signal is detected continuously while retrying power feed several times.	• ADU cooling fan /3 (FM38) • Conveyance drive board (CDB) • DC power supply /2 (DCPS/2) • Front door switch /4 (SW4)
PF-704/705 (1st tandem): Cooling fan abnormality	C-0310	An error detection signal is detected continuously for a specified period of time while the cooling fan /1 (FM7) or /2 (FM8) is ON. An error detection signal is detected continuously while retrying power feed several times.	• Cooling fan /1 (FM7), /2 (FM8) • PF drive board (PFDB)
PF-704/705 (1st tandem): Paper leading edge separation fan abnormality	C-0311	An error detection signal is detected continuously for a specified period of time while the paper leading edge separation fans /Fr1 (FM9) and /Rr1 (FM10) are ON. An error detection signal is detected continuously while retrying power feed several times.	• Paper leading edge separation fan /Fr1 (FM9), /Rr1 (FM10) • PF drive board (PFDB)
PF-704/705 (1st tandem): Paper leading edge separation fan abnormality	C-0312	An error detection signal is detected continuously for a specified period of time while the paper leading edge separation fans /Fr2 (FM13) and /Rr2 (FM14) are ON. An error detection signal is detected continuously while retrying power feed several times.	• Paper leading edge separation fan /Fr2 (FM13), /Rr2 (FM14) • PF drive board (PFDB)
PF-704/705 (1st tandem): Paper leading edge separation fan abnormality	C-0313	An error detection signal is detected continuously for a specified period of time while the paper leading edge separation fans /Fr3 (FM17) and /Rr3 (FM18) are ON. An error detection signal is detected continuously while retrying power feed several times.	• Paper leading edge separation fan /Fr3 (FM17), /Rr3 (FM18) • PF drive board (PFDB)
PF-704/705 (1st tandem): Paper feed assist fan abnormality	C-0314	An error detection signal is detected continuously for a specified period of time while the paper feed assist fan /Fr1 (FM11) is ON. An error detection signal is detected continuously while retrying power feed several times	• Paper feed assist fan /Fr (FM11) • PF drive board (PFDB)
PF-704/705 (1st tandem): Paper feed assist fan abnormality	C-0315	An error detection signal is detected continuously for a specified period of time while the paper feed assist fan /Fr2 (FM15) is ON. An error detection signal is detected continuously while retrying power feed several times.	• Paper feed assist fan / Fr2 (FM15) • PF drive board (PFDB)
PF-704/705 (1st tandem): Paper feed assist fan abnormality	C-0316	An error detection signal is detected continuously for a specified period of time while the paper feed assist fan /Fr3 (FM19) is ON. An error detection signal is detected continuously while retrying power feed several times.	• Paper feed assist fans / Fr3 (FM19) • PF drive board (PFDB)
PF-704/705 (1st tandem): Paper suction fan abnormality	C-0317	An error detection signal is detected continuously for a specified period of time while the paper suction fans /1 (FM1) and /2 (FM2) are ON. An error detection signal is detected continuously while retrying power feed several times.	• Paper suction fan /1 (FM1), /2 (FM2) • PF drive board (PFDB)
(kythuatmayin.vn)	C-0318	An error detection signal is detected continuously for a specified period of time while the paper suction fans /3 (FM3) and /4 (FM4) are ON. An error detection signal is detected continuously while retrying power feed several times.	• Paper suction fan /3 (FM3), /4 (FM4) • PF drive board (PFDB)
	C-0319	An error detection signal is detected continuously for a specified period of time while the paper suction fans /5 (FM5) and /6 (FM6) are ON. An error detection signal is detected continuously while retrying power feed several times.	• Paper suction fan /5 (FM5), /6 (FM6) • PF drive board (PFDB)
PF-704/705 (1st tandem): Dehumidifier fan abnormality	C-0320	An error detection signal is detected continuously for a specified period of time while the dehumidifier fans /Rt1 (FM21) and /Lt1 (FM22) are ON. An error detection signal is detected continuously while retrying power feed several times.	• Dehumidifier fan /Rt1 (FM21), /Lt1 (FM22) • PF drive board (PFDB)
PF-704/705 (1st tandem): Dehumidifier fan abnormality	C-0321	An error detection signal is detected continuously for a specified period of time while the dehumidifier fans /Rt2 (FM23) and /Lt2 (FM24) are ON. An error detection signal is detected continuously while retrying power feed several times.	• Dehumidifier fan /Rt2 (FM23), /Lt2 (FM24) • PF drive board (PFDB)
PF-704/705 (1st tandem): Dehumidifier fan abnormality	C-0322	An error detection signal is detected continuously for a specified period of time while the dehumidifier fans /Rt3 (FM25) and /Lt3 (FM26) are ON. An error detection signal is detected continuously while retrying power feed several times.	• Dehumidifier fan /Rt3 (FM25), /Lt3 (FM26) • PF drive board (PFDB)
PF-704 (2nd tandem): Cooling fan abnormality	C-0323	An error detection signal is detected continuously for a specified period of time while the cooling fans /1 (FM7) and /2 (FM8) are ON. An error detection signal is detected continuously while retrying power feed several times.	• Cooling fan /1, /2 (FM8) • PF drive board (PFDB)
PF-704 (2nd tandem): Paper leading edge separation fan abnormality	C-0324	An error detection signal is detected continuously for a specified period of time while the paper leading edge separation fans /Fr1 (FM9) and /Rr1 (FM10) are ON. An error detection signal is detected continuously while retrying power feed several times.	• Paper leading edge separation fan /Fr1 (FM9), /Rr1 (FM10) • PF drive board (PFDB)
	C-0325	An error detection signal is detected continuously for a specified period of time while the paper leading edge separation fans /Fr2 (FM13) and /Rr2 (FM14) are ON. An error detection signal is detected continuously while retrying power feed several times.	• Paper leading edge separation fan /Fr2 (FM13), /Rr2 (FM14) • PF drive board (PFDB)
(kythuatmayin.vn)	C-0326	An error detection signal is detected continuously for a specified period of time while the paper leading edge separation fans /Fr3 (FM17) and /Rr3 (FM18) are ON. An error detection signal is detected continuously while retrying power feed several times.	• Paper leading edge separation fan /Fr3 (FM17), /Rr3 (FM18) • PF drive board (PFDB)
PF-704 (2nd tandem): Paper feed assist fan abnormality	C-0327	An error detection signal is detected continuously for a specified period of time while the paper feed assist fan /Fr1 (FM11) is ON. An error detection signal is detected continuously while retrying power feed several times.	• Paper feed assist fan / Fr1 • PF drive board (PFDB)
PF-704 (2nd tandem): Paper feed assist fan abnormality	C-0328	An error detection signal is detected continuously for a specified period of time while the paper feed assist fan /Fr2 (FM15) is ON. An error detection signal is detected continuously while retrying power feed several times.	• Paper feed assist fan / Fr2 (FM15) • PF drive board (PFDB)
PF-704 (2nd tandem): Paper feed assist fan abnormality	C-0329	An error detection signal is detected continuously for a specified period of time while the paper feed assist fan /Fr3 (FM19) is ON. An error detection signal is detected continuously while retrying power feed several times.	• Paper feed assist fans / Fr3 (FM19) • PF drive board (PFDB)
PF-704 (2nd tandem): Paper suction fan abnormality	C-0330	An error detection signal is detected continuously for a specified period of time while the paper suction fans /1 (FM1) and /2 (FM2) are ON. An error detection signal is detected continuously while retrying power feed several times.	• Paper suction fan /1 (FM1), /2 (FM2) • PF drive board (PFDB)
PF-704 (2nd tandem): Paper suction fan abnormality	C-0331	An error detection signal is detected continuously for a specified period of time while the paper suction fans /3 (FM3) and /4 (FM4) are ON. An error detection signal is detected continuously while retrying power feed several times.	• Paper suction fan /3 (FM3), /4 (FM4) • PF drive board (PFDB)
(kythuatmayin.vn)	C-0332	An error detection signal is detected continuously for a specified period of time while the paper suction fans /5 (FM5) and /6 (FM6) are ON. An error detection signal is detected continuously while retrying power feed several times.	• Paper suction fan /5 (FM5), /6 (FM6) • PF drive board (PFDB)
PF-704 (2nd tandem): Dehumidifier fan abnormality	C-0333	An error detection signal is detected continuously for a specified period of time while the dehumidifier fans /Rt1 (FM21) and /Lt1 (FM22) are ON. An error detection signal is detected continuously while retrying power feed several times.	• Dehumidifier fan /Rt1 (FM21), /Lt1 (FM22) • PF drive board (PFDB)
PF-704 (2nd tandem): Dehumidifier fan abnormality	C-0334	An error detection signal is detected continuously for a specified period of time while the dehumidifier fans /Rt2 (FM23) and /Lt2 (FM24) are ON. An error detection signal is detected continuously while retrying power feed several times.	• Dehumidifier fan /Rt2 (FM23), /Lt2 (FM24) • PF drive board (PFDB)
PF-704 (2nd tandem): Dehumidifier fan abnormality	C-0335	An error detection signal is detected continuously for a specified period of time while the dehumidifier fans /Rt3 (FM25) and /Lt3 (FM26) are ON. An error detection signal is detected continuously while retrying power feed several times.	• Fan /Rt3 (FM25), /Lt3 (FM26) • PF drive board (PFDB)
PF-704/705 (1st tandem): Paper feed assist fan abnormality	C-0336	An error detection signal is detected continuously for a specified period of time while the paper feed assist fan /Rr1 (FM12) is ON. An error detection signal is detected continuously while retrying power feed several times.	• Paper feed assist fan / Rr1 (FM12) • PF drive board (PFDB)
PF-704/705 (1st tandem): Paper feed assist fan abnormality	C-0337	An error detection signal is detected continuously for a specified period of time while the paper feed assist fan /Rr2 (FM16) is ON. An error detection signal is detected continuously while retrying power feed several times.	• Paper feed assist fan / Rr2 (FM16) • PF drive board (PFDB)
PF-704/705 (1st tandem): Paper feed assist fan abnormality	C-0338	An error detection signal is detected continuously for a specified period of time while the paper feed assist fan /Rr3 (FM20) is ON. An error detection signal is detected continuously while retrying power feed several times. (kythuatmayin.vn)	• Paper feed assist fan / Rr3 (FM20) • PF drive board (PFDB)
PF-704 (2nd tandem): Paper feed assist fan abnormality	C-0339	An error detection signal is detected continuously for a specified period of time while the paper feed assist fan /Rr1 (FM12) is ON. An error detection signal is detected continuously while retrying power feed several times.	• Paper feed assist fan / Rr1 (FM12) • PF drive board (PFDB)
PF-704 (2nd tandem): Paper feed assist fan abnormality	C-0340	An error detection signal is detected continuously for a specified period of time while the paper feed assist fan /Rr2 (FM16) is ON. An error detection signal is detected continuously while retrying power feed several times.	• Paper feed assist fan / Rr2 (FM16) • PF drive board (PFDB)
PF-704 (2nd tandem): Paper feed assist fan abnormality	C-0341	An error detection signal is detected continuously for a specified period of time while the paper feed assist fan /Rr3 (FM20) is ON. An error detection signal is detected continuously while retrying power feed several times.	• Paper feed assist fan / Rr3 (FM20) • PF drive board (PFDB)
PF-704/705 (1st tandem): 12V power abnormality in the PF drive board (PFDB)	C-0405	An error detection signal of the 12V in PFDB (blowout of ICP) is detected.	PF drive board (PFDB)
PF-704 (2nd tandem): 12V power abnormality in the PF drive board (PFDB)	C-0406	An error detection signal of the 12V in PFDB (blowout of ICP) is detected.	PF drive board (PFDB)
PF-704/705 (1st tandem): Dehumidification heater /1 (HTR4) high temperature abnormality (hardware)	C-0407	After turned ON, the temperature sensor /5 (TEMS/5) detects a heater abnormality signal.	• AC drive board (ACDB) • PF drive board (PFDB) • Upper tray fan heater (HT-506)
PF-704/705 (1st tandem): Dehumidification heater /2 (HTR5) high temperature abnormality (hardware)	C-0408	After turned ON, the temperature sensor /6 (TEMS/6) detects a heater abnormality signal.	• AC drive board (ACDB) • PF drive board (PFDB) • Middle tray fan heater (HT-506)
PF-704/705 (1st tandem): Dehumidification heater /3 (HTR6) high temperature abnormality (hardware)	C-0409	After turned ON, the temperature sensor /7 (TEMS/7) detects a heater abnormality signal.	• AC drive board (ACDB) • PF drive board (PFDB) • Lower tray fan heater (HT-506)
PF-704/705 (1st tandem): Dehumidification heater /1 (HTR4) high temperature abnormality (software)	C-0410	After turned ON, the temperature sensor /5 (TEMS/5) detects that the heater temperature is 110 °C or higher.	• AC drive board (ACDB) • PF drive board (PFDB) • Upper tray fan heater (HT-506)
PF-704/705 (1st tandem): Dehumidification heater /2 (HTR5) high temperature abnormality (software)	C-0411	After turned ON, the temperature sensor /6 (TEMS/6) detects that the heater temperature is 110 °C or higher.	• AC drive board (ACDB) • PF drive board (PFDB) • Middle tray fan heater (HT-506)
PF-704/705 (1st tandem): Dehumidification heater /3 (HTR6) high temperature abnormality (software)	C-0412	After turned ON, the temperature sensor /7 (TEMS/7) detects that the heater temperature is 110 °C or higher.	• AC drive board (ACDB) • PF drive board (PFDB) • Lower tray fan heater (HT-506)
PF-704/705 (1st tandem): Dehumidification heater /1 (HTR4) high temperature abnormality (software)	C-0413	The temperature detected by the temperature sensor /5 (TEMS/5) has not risen to a prescribed level within a specified period of time. (kythuatmayin.vn)	• AC drive board (ACDB) • PF drive board (PFDB) • Upper tray fan heater (HT-506)
PF-704/705 (1st tandem): Dehumidification heater /2 (HTR5) temperature rise abnormality	C-0414	The temperature detected by the temperature sensor /6 (TEMS/6) has not risen to a prescribed level within a specified period of time.	• AC drive board (ACDB) • PF drive board (PFDB) • Middle tray fan heater (HT-506)
PF-704/705 (1st tandem): Dehumidification heater /3 (HTR6) temperature rise abnormality	C-0415	The temperature detected by the temperature sensor /7 (TEMS/7) has not risen to a prescribed level within a specified period of time.	• AC drive board (ACDB) • PF drive board (PFDB) • Lower tray fan heater (HT-506)
PF-704 (2nd tandem): Dehumidification heater /4 (HTR4) high temperature abnormality (hardware)	C-0416	After turned ON, the temperature sensor /5 (TEMS/5) detects a heater abnormality signal.	• AC drive board (ACDB) • PF drive board (PFDB) • Upper tray fan heater (HT-506)
PF-704 (2nd tandem): Dehumidification heater /2 (HTR5) high temperature abnormality (hardware)	C-0417	After turned ON, the temperature sensor /6 (TEMS/6) detects a heater abnormality signal.	• AC drive board (ACDB) • PF drive board (PFDB) • Middle tray fan heater (HT-506)
PF-704 (2nd tandem): Dehumidification heater /3 (HTR6) high temperature abnormality (hardware)	C-0418	After turned ON, the temperature sensor /7 (TEMS/7) detects a heater abnormality signal.	• AC drive board (ACDB) • PF drive board (PFDB) • Lower tray fan heater (HT-506)
PF-704 (2nd tandem): Dehumidification heater /1 (HTR4) high temperature abnormality (software)	C-0419	After turned ON, the temperature sensor /5 (TEMS/5) detects that the heater temperature is 110 °C or higher.	• AC drive board (ACDB) • PF drive board (PFDB) • Upper tray fan heater (HT-506)
PF-704 (2nd tandem): Dehumidification heater /2 (HTR5) high temperature abnormality (software)	C-0420	After turned ON, the temperature sensor /6 (TEMS/6) detects that the heater temperature is 110 °C or higher.	• AC drive board (ACDB) • PF drive board (PFDB) • Middle tray fan heater (HT-506)
PF-704 (2nd tandem): Dehumidification heater /3 (HTR6) high temperature abnormality (software)	C-0421	After turned ON, the temperature sensor /7 (TEMS/7) detects that the heater temperature is 110 °C or higher (kythuatmayin.vn)	• AC drive board (ACDB) • PF drive board (PFDB) • Lower tray fan heater (HT-506)
PF-704/2 (2nd tandem): Dehumidification heater /1 (HTR4) temperature rise abnormality	C-0422	The temperature detected by the temperature sensor /5 (TEMS/5) has not risen to a prescribed level within a specified period of time.	• AC drive board (ACDB) • PF drive board (PFDB) • Upper tray fan heater (HT-506)
PF-704 (2nd tandem): Dehumidification heater /2 (HTR5) temperature rise abnormality	C-0423	The temperature detected by the temperature sensor /6 (TEMS/6) has not risen to a prescribed level within a specified period of time.	• AC drive board (ACDB) • PF drive board (PFDB) • Middle tray fan heater (HT-506)
PF-704 (2nd tandem): Dehumidification heater /3 (HTR6) temperature rise abnormality	C-0424	The temperature detected by the temperature sensor /7 (TEMS/7) has not risen to a prescribed level within a specified period of time.	• AC drive board (ACDB) • PF drive board (PFDB) • Lower tray fan heater (HT-506)
EF: 24V power abnormality in the PF drive board (PFDB)	C-0450	After turned ON, the 24V power is not supplied for a specified period of time.	• EF control board (EFCB) • DC power supply (DCPS) • DC power relay /1 (RL1) • Power plug of EF • Circuit breaker (CBR) of EF
FS: FS abnormality	C-1005	Communication error.	• Printer control board (PRCB) • FNS control board (FNSCB)
FD: FD abnormality	C-1006	Communication error.	• Printer control board (PRCB) • FD control board (FDCB)
SD: SD abnormality	C-1007	Communication error.	• Printer control board (PRCB) • SD control board (SDCB)
PB: PB abnormality	C-1009	Communication error between Main CPU in the PB control board (PBCB) and Sub CPU1.	• PB control board (PBCB) • Control program
PB: PB abnormality	C-1010	Communication error between Main CPU in the PB control board (PBCB) and Sub CPU2.	• PB control board (PBCB) • Control program
PB control board (PBCB)	C-1011	Paper feed error between the main body and PB.	• PB control board (PBCB) • Control program
GP : GP abnormality	C-1012	Communication abnormality.	• Printer control board (PRCB) • Punch Controller PCB
RU-508: RU-508 abnormality	C-1013	Communication error.	• Printer control board (PRCB) • RU control board (RUCB)
RU : RU-506 abnormality	C-1014	Communication abnormality	• Printer control board (PRCB) • RU control board (RUCB)
FS: FS-612 abnormality (kythuatmayin.vn)	C-1101 (FS-612)	The shift unit does not get to the shift position or the home position within a specified period of time.	• FNS control board (FNSCB) • Shift roller motor (M2) • Shift roller home sensor (PS18)
FS: FS-521 abnormality	C-1102 (FS-521)	The tray up down motor (M3) does not turn OFF even when a specified period of time elapses after it starts operations. Or, it operates for more than the allowed time at a speed out of the specified one.	• FNS control board (FNSCB) • FNS drive board (FNSDB) • Main tray up down motor (M3) • Main tray upper limit sensor (PS2) • Main tray lower limit sensor (PS3)
FS: FS-612 abnormality	C-1102 (FS-612)	The main tray upper limit sensor (PS2) does not turn ON within a specified period of time after the main tray up down motor (M3) turns ON.	• FNS control board (FNSCB) • Main tray up down motor (M3) • Main tray upper limit sensor (PS2)
FS: FS-521 abnormality	C-1103 (FS-521)	The alignment home sensors /Rr (PS8) and /Fr (PS31) do not turn ON within a specified period of time after the home position search operation of the alignment motors / Rr (M5) and /Fr (M22) starts	• FNS control board (FNSCB) • FNS drive board (FNSDB) • Alignment motor /Rr (M5) • Alignment motor /Fr (M22) • Alignment home sensor /Rr (PS8) • Alignment home sensor /Fr (PS31)
FS: FS-612 abnormality	C-1103 (FS-612)	The alignment home sensor /Up (PS8) does not turn ON or OFF within a specified period of time after the alignment motor / Up (M5) turns ON.	• Relay board (RB) • Alignment motor /Up (M5) • Alignment home sensor /Up (PS8)
FS: FS-521 abnormality	C-1104 (FS-521)	The main tray paper exit motor (M7) operates for more than the allowed time at a speed out of the specified one.	• FNS control board (FNSCB) • FNS drive board (FNSDB) • Main tray exit motor (M7)
FS: FS-612 abnormality	C-1104 (FS-612)	A prescribed speed is not obtained within a specified period of time after the paper exit roller motor (M7) turns ON.	• FNS control board (FNSCB) • Paper exit roller motor (M7)
FS: FS-521 abnormality	C-1105 (FS-521)	The paper exit opening unit does not get to the specified opening position within a specified period of time after the paper exit opening motor (M8) starts operations.	• FNS control board (FNSCB) • Paper exit opening motor (M8) • Paper exit home sensor (PS12)
FS: FS-612 abnormality	C-1105 (FS-612)	The paper exit home sensor (PS12) does not turn ON or OFF within a specified period of time after the paper exit opening motor (M8) turns ON.	• FNS control board (FNSCB) • Paper exit opening motor (M8) • Paper exit home sensor (PS12)
FS: FS-521 abnormality	C-1106 (FS-521)	The stapler movement home sensor (PS11) does not turn ON within a specified period of time after the home position search operation of the stapler movement motor (M11) starts.	• FNS control board (FNSCB) • FNS drive board (FNSDB) • Stapler movement motor (M11) • Stapler movement home sensor (PS11)
FS: FS-612 abnormality	C-1106 (FS-612)	The stapler movement home sensor (PS11) does not turn ON within a specified period of time after the stapler movement motor (M11) turns ON.	• Relay board (RB) • Stapler movement motor (M11) • Stapler movement home sensor (PS11)
FS: FS-521 abnormality (skew rotation)	C-1107 (FS-521)	The stapler rotation home sensor (PS14) does not turn ON within a specified period of time after the home position search operation of the stapler rotation motor (M4) starts	• FNS control board (FNSCB) • FNS drive board (FNSDB) • Stapler rotation motor (M4) • Stapler rotation home sensor (PS14)
FS: FS-612 abnormality	C-1107 (FS-612)	The clincher rotation home sensor (PS14) does not turn ON or OFF within a specified period of time after the clincher rotation motor (M4) turns ON.	• Relay board (RB) • Clincher rotation motor (M4) • Clincher rotation home sensor (PS14)
FS: FS-521 abnormality (vertical rotation)	C-1108 (FS-521)	The stapler rotation home sensor (PS14) does not turn ON within a specified period of time after the home position search operation of the stapler rotation motor (M4) starts.	• FNS control board (FNSCB) • FNS drive board (FNSDB) • Stapler rotation motor (M4) • Stapler rotation home sensor (PS14)
FS: FS-612 abnormality	C-1108 (FS-612)	The stapler rotation home sensor (PS13) does not turn ON within a specified period of time after the stapler rotation motor (M6) turns ON.	• Relay board (RB) • Stapler rotation motor (M6) • Stapler rotation home sensor (PS13)
FS: FS-521 abnormality	C-1109 (FS-521)	After the stapler motor /Fr (M31) starts operations, it does not complete operations within a specified period of time, and the stapler home sensor /Fr (PS41) does not turn ON. (kythuatmayin.vn)	• FNS control board (FNSCB) • FNS drive board (FNSDB) • Stapler board (SB) • Stapler motor /Fr (M31) • Stapler home sensor /Fr (PS41)
FS: FS-612 abnormality	C-1109 (FS-612)	The stapler motor home sensor /Fr (PS31) does not turn ON within a specified period of time after the stapler motor /Fr (M14) turns ON	• Relay board (RB) • Stapler motor /Fr (M14) • Stapler motor home sensor /Fr (PS31)
FS: FS-521 abnormality	C-1110 (FS-521)	After the stapler motor /Rr (M30) starts operations, it does not complete operations within a specified period of time, and the stapler home sensor /Rr (PS40) does not turn ON. (kythuatmayin.vn)	• FNS control board (FNSCB) • FNS drive board (FNSDB) • Stapler board (SB) • Stapler motor /Rr (M30) • Stapler home sensor /Rr (PS40)
FS: FS-612 abnormality	C-1110 (FS-612)	The stapler motor home sensor /Rr (PS30) does not turn ON within a specified period of time after the stapler motor /Rr (M9) turns ON.	• Relay board (RB) • Stapler motor /Rr (M9) • Stapler motor home sensor /Rr (PS30)
FS: FS-612 abnormality	C-1111 (FS-612)	The clincher motor home sensor /Fr (PS33) does not turn ON within a specified period of time after the clincher motor /Fr (M15) turns ON.	• Relay board (RB) • Clincher motor /Fr (M15) • Clincher motor home sensor /Fr (PS33)
FS: FS-612 abnormality	C-1112 (FS-612)	The clincher motor home sensor /Rr (PS32) does not turn ON within a specified period of time after the clincher motor /Rr (M10) turns ON.	• Relay board (RB) • Clincher motor /Rr (M10) • Clincher motor home sensor /Rr (PS32)
FS: FS-521 abnormality	C-1113 (FS-521)	After the home position search operation of the rear stopper motor (M26) starts, the rear stopper home sensor (PS35) does not turn ON within a specified period of time.	• FNS control board (FNSCB) • FNS drive board (FNSDB) • Rear stopper motor (M26) • Rear stopper home sensor (PS35)
FS: FS-612 abnormality	C-1113 (FS-612)	After the home position search operation of saddle stitching stopper motor (M18) starts, the saddle stitching stopper home sensor (PS23) does not turn ON within a specified period of time	• Relay board (RB) • Saddle stitching stopper motor (M18) • Saddle stitching stopper home sensor (PS23)
FS: FS-612 abnormality	C-1114 (FS-612)	The alignment home sensor /Lw (PS24) does not turn ON within a specified period of time after the alignment motor / Lw (M16) turns ON.	• Relay board (RB) • Alignment motor /Lw (M16) • Alignment home sensor /Lw (PS24)
FS: FS-612 abnormality	C-1115 (FS-612)	The folding knife home sensor (PS22) does not turn ON within a specified period of time after the folding knife motor (M19) turns ON.	• Relay board (RB) • Folding knife motor (M19) • Folding knife home sensor (PS22)
FS: FS-612 abnormality	C-1116 (FS-612)	A prescribed speed is not obtained within a specified period of time after the folding transfer motor (M20) turns ON.	• Relay board (RB) • Folding transfer motor (M20)
PI: PI abnormality	C-1124	The tray upper limit sensor /Lw (PS209) or the tray lower limit sensor /Lw (PS210) does not turn ON within a specified period of time after the tray up down motor /Lw (M202) turns ON.	• FNS control board (FNSCB) • PI drive board (PIDB) • Tray lift up down motor / Lw (M202) • Tray upper limit sensor / Lw (PS209) • Tray lower limit sensor / Lw (PS210)
PI: PI abnormality	C-1125	The tray upper limit sensor /Up (PS205) or the tray lower limit sensor /Up (PS204) does not turn ON within a specified period of time after the tray up down motor /Up (M201) turns ON.	• FNS control board (FNSCB) • PI drive board (PIDB) • Tray up down motor /Up (M201) • Tray upper limit sensor / Up (PS205) • Tray lower limit sensor / Up (PS204)
PI: PI abnormality	C-1126	A prescribed speed is not obtained within a specified period of time after the conveyance motor (M203) turns ON.	• FNS control board (FNSCB) • PI drive board (PIDB) • Conveyance motor (M203)
PK: PK abnormality	C-1127	The punch shift home sensor (PS303) does not turn ON within a specified period of time after the punch shift motor (M302) turns ON	• FNS control board (FNSCB) • Punch drive board (PDB) • Punch shift motor (M302) • Punch shift home sensor (PS303)
PK: PK abnormality	C-1132	The punch home sensor (PS301) does not turn ON within a specified period of time after the punch motor (M301) turns ON	• FNS control board (FNSCB) • Punch drive board (PDB) • Punch motor (M301) • Punch home sensor (PS301)
FS: FS-612 abnormality	C-1137 (FS-612)	The gate home sensor (PS16) does not turn ON within a specified period of time after the gate motor (M12) turns ON.	• FNS control board (FNSCB) • Gate motor (M12) • Gate home sensor (PS16)
FS: FS-521 abnormality	C-1140 (FS-521)	After the paper exit arm motor /Fr (M23) starts operations, it does not complete operations within a specified period of time, and the paper exit arm home sensor /Fr (PS9) does not turn ON. Or, it operates for more than the allowed time at a speed out of the specified one.	• FNS control board (FNSCB) • FNS drive board (FNSDB) • Paper exit arm motor (M23) • Paper exit arm home sensor (PS9)
FS: FS-521 abnormality	C-1141 (FS-521)	The stack assist home sensor (PS32) does not turn ON within a specified period of time after the home position search operation of the stack assist motor (M24) starts.	• FNS control board (FNSCB) • FNS drive board (FNSDB) • Stack assist guide motor (M24) • Stack assist home sensor (PS32)
FS: FS-521 abnormality	C-1142 (FS-521)	The intermediate roller home sensor (PS33) does not turn ON even after a specified period of time after the intermediate roller open/close motor (M25) starts the home position search operation.	• FNS control board (FNSCB) • FNS drive board (FNSDB) • Alignment motor /Fr (M22) • Alignment motor /Rr (M5) • Intermediate roller release solenoid (SD7)
(kythuatmayin.vn)	C-1143 (FS-521)	The conveyance motor (M1) does not turn ON when the start button is turned ON. Or the conveyance motor (M1) does not shift the speed for each processing.	• FNS control board (FNSCB) • Conveyance motor (M1) • Paper exit sensor (PS37) • FNS entrance sensor (PS4)
	C-1144 (FS-521)	The paper exit alignment plate home sensor /Fr (PS18) does not turn ON within a specified period of time after the paper exit alignment motor /Fr (M15) starts the home position search operation. Or, even after a specified period of time after M15 starts the operation, it does not stop.	• FNS control board (FNSCB) • FNS drive board (FNSDB) • Paper exit alignment motor /Fr (M15) • Paper exit alignment plate home sensor /Fr (PS18)
	C-1145 (FS-521)	The paper exit alignment plate home sensor /Rr (PS19) does not turn ON within a specified period of time after the paper exit alignment motor /Rr (M14) starts the home position search operation. Or, even after a specified period of time after M14 starts the operation, it does not stop.	• FNS control board (FNSCB) • FNS drive board (FNSDB) • Paper exit alignment motor /Rr (M14) • Paper exit alignment plate home sensor /Rr (PS19)
	C-1146 (FS-521)	The bypass roller release home sensor (PS13) does not turn ON within a specified period of time after the bypass roller release motor (M12) starts the home position search operation. Or, even after a specified period of time after M12 starts the operation, it does not stop.	• FNS control board (FNSCB) • FNS drive board (FNSDB) • Bypass roller release motor (M12) • Bypass roller release home sensor (PS13)
	C-1147 (FS-521)	The paper exit alignment plate retraction home sensor (PS24) does not turn ON within a specified period of time after the paper exit alignment plate retraction home motor (M18) starts the home position search operation. Or, even after a specified period of time after M18 starts the operation, it does not stop.	• FNS control board (FNSCB) • FNS drive board (FNSDB) • Paper exit alignment plate retraction motor (M18) • Paper exit alignment plate retraction home sensor (PS24)
	C-1148 (FS-521)	The stacker entrance roller release home sensor (PS23) does not turn ON within a specified period of time after the stacker entrance roller release motor (M16) starts the home position search operation. Or, even after a specified period of time after M16 starts the operation, it does not stop.	• FNS control board (FNSCB) • FNS drive board (FNSDB) • Stacker entrance roller release motor (M16) • Stacker entrance roller release home sensor (PS23)
LS (1st tandem): LS abnormality	C-1201	The stacker tray encoder sensor (PS2) does not turn ON within a specified period of time after the stacker tray up down motor (M1) turns ON. Or, the initial operation or the	• Stacker tray up down motor (M1) • LS control board (LSCB)
	C-1202	The shift unit home sensor (PS11) does not turn ON within a specified period of time after the shift unit motor (M5) turns ON. Or, PS11 does not turn ON within a specified period of time.	• Shift unit motor (M5) • LS control board (LSCB)
	C-1203	The alignment plate home sensor (PS12) does not turn ON within a specified period of time after the alignment motor (M7) turns ON. Or, PS12 does not turn ON within a specified period of time	• Alignment motor (M7) • LS control board (LSCB)
	C-1204	The grip conveyance home sensor (PS5) does not turn ON within a specified period of time after the grip conveyance motor (M4) turns ON.	Grip conveyance motor (M4)
	C-1205	The stacker tray upper limit switch (MS2) is ON when the stacker tray up down motor (M1) is in the up operation.	• Stacker tray up down motor (M1) • Stacker tray upper limit switch (MS2)
	C-1206	The stacker tray lower limit switch (MS3) is ON when the stacker tray up down motor (M1) is in the down operation.	• Stacker tray up down motor (M1) • Stacker tray lower limit switch (MS3)
LS (2nd tandem): LS abnormality	C-1211	The stacker tray encoder sensor (PS2) does not turn ON within a specified period of time after the stacker tray up down motor (M1) turns ON. Or, the initial operation or the stacker tray down operation is not completed within a specified period of time.	• Stacker tray up down motor (M1) • LS control board (LSCB)
LS (2nd tandem): LS abnormality	C-1212	The shift unit home sensor (PS11) does not turn ON within a specified period of time after the shift unit motor (M5) turns ON. Or, PS11 does not turn ON within a specified period of time.	• Shift unit motor (M5) • LS control board (LSCB)
LS (2nd tandem): LS abnormality	C-1213	The alignment plate home sensor (PS12) does not turn ON within a specified period of time after the alignment motor (M7) turns ON. Or, PS12 does not turn ON within a specified period of time.	• Alignment motor (M7) • LS control board (LSCB)
LS (2nd tandem): LS abnormality	C-1214	The grip conveyance home sensor (PS5) does not turn ON within a specified period of time after the grip conveyance motor (M4) turns ON.	Grip conveyance motor (M4)
(kythuatmayin.vn)	C-1215	The stacker tray upper limit switch (MS2) is ON when the stacker tray up down motor (M1) is in the up operation.	• Stacker tray up down motor (M1) • Stacker tray upper limit switch (MS2)
	C-1216	The stacker tray lower limit switch (MS3) is ON when the stacker tray up down motor (M1) is in the down operation.	• Stacker tray up down motor (M1) • Stacker tray lower limit switch (MS3)
FD: FD abnormality	C-1221	The 1st folding cam home sensor (PS55) does not turn ON within a specified period of time after the 1st folding release motor (M14) turns ON.	• 1st folding release motor (M14) • Folding drive board (FDB) • 1st folding cam home sensor (PS55)
FD: FD abnormality	C-1222	The 2nd folding cam home sensor (PS56) does not turn ON within a specified period of time after the 2nd folding release motor (M15) turns ON.	• 2nd folding release motor (M15) • Folding drive board (FDB) • 2nd folding cam home sensor (PS56)
FD: FD abnormality	C-1223	The 3rd folding cam home sensor (PS57) does not turn ON within a specified period of time after the 3rd folding release motor (M16) turns ON.	• 3rd folding release motor (M16) • Folding drive board (FDB) • 3rd folding cam home sensor (PS57)
FD: FD abnormality	C-1224	The 2 holes punch home sensor (PS8) does not turn OFF within a specified period of time after the 2- holes punch home position return operation starts. Or, after the punch motor (M10) turns ON, the 2 holes punch home sensor (PS8) does not turn OFF.	• Punch motor (M10) • Punch drive board (PDB) • 2 holes punch home sensor (PS8)
FD: FD abnormality	C-1225	The 3 holes/4 holes punch home sensor (PS9) does not turn OFF within a specified period of time after the 3 holes/4 holes punch home position return operation starts. Or, after the punch motor (M10) turns ON, the 3 holes/4 holes punch home sensor (PS9) does not turn OFF.	• Punch motor (M10) • Punch drive board (PDB) • 3 holes/4 holes home sensor (PS9)
FD: FD abnormality	C-1226	The alignment plate home sensor (PS10) does not turn ON within a specified period of time after the alignment plate home position return operation starts. Or, after the alignment motor (M12) turns ON, the alignment plate home sensor (PS10) does not turn OFF.	• Alignment motor (M12) • Punch drive board (PDB) • Alignment plate home sensor (PS10)
FD: FD abnormality	C-1227	The punch registration home sensor (PS11) does not turn ON within a specified period of time after the punch registration claw home position return operation starts. Or, after the punch registration motor (M13) turns ON, the punch registration home sensor (PS11) does not turn OFF.	• Punch registration motor (M13) • Punch drive board (PDB) • Punch registration home sensor (PS11)
	C-1228	The main tray upper limit sensor (PS20) does not turn ON within a specified period of time after the main tray home position search starts. Or, after the tray up down motor (M11) turns ON, the main tray upper limit sensor (PS20) does not turn OFF.	• Tray up down motor (M11) • Main tray upper limit sensor (PS20) • Punch drive board (PDB) (kythuatmayin.vn)
	C-1229	The main tray lower limit sensor (PS22) does not turn ON within a specified period of time after the tray up down motor (M11) is in the down operation	• Tray up down motor (M11) • Punch drive board (PDB) • Main tray lower limit sensor (PS22)
	C-1230	After the FD paper lift motor /Up (M8) is in the down operation, the PI lift plate home sensor /Up (PS34) does not turn ON within a specified period of time. Or, after the paper lift motor /Up (M8) is in the up operation, the PI tray upper limit sensor /Up (PS32) does not turn ON.	• Paper lift motor /Up (M8) • PI drive board (PIDB) • PI lift plate home sensor /Up (PS34) • PI upper limit sensor /Up (PS32)
	C-1231	After the FD paper lift motor /Lw (M9) is in the down operation, the PI lift plate home sensor /Lw (PS40) does not turn ON within a specified period of time. Or, after the paper lift motor /Lw (M9) is in the up operation, the PI upper limit sensor /Lw (PS38) does not turn ON.	• Paper lift motor /Lw (M9) • PI drive board (PIDB) • PI lift plate home sensor /Lw (PS40) • PI upper limit sensor /Lw (PS38)
	C-1232	An error detection signal is detected continuously for a specified period of time while the entrance conveyance motor (M1) is ON.	• Paper lift motor /Lw (M9) • PI drive board (PIDB) • PI lift plate home sensor /Lw (PS40) • PI upper limit sensor /Lw (PS38)
(kythuatmayin.vn)	C-1233	An error detection signal of M3 is detected continuously for a specified period of time while the intermediate conveyance motor (M3) is ON	• Intermediate conveyance motor (M3) • Punch drive board (PDB)
	C-1234	An error detection signal of M7 is detected continuously for a specified period of time while the PI conveyance motor (M7) is ON.	• PI conveyance motor (M7) • PI drive board (PIDB)
	C-1235	An error detection signal of M17 is detected continuously for a specified period of time while the main tray exit motor (M17) is ON	• Main tray exit motor (M17) • Punch drive board (PDB)
SD: SD abnormality	C-1241	The scraps press home sensor (PS48) does not turn ON within a specified period of time after the bundle exit motor (M5) starts the home position search operation.	• Bundle exit motor (M5) • Scraps press home sensor (PS48) • SD control board (SDCB) • SD drive board (SDDB)
	C-1242	The folding main scan alignment home sensor / Fr1 (PS18) does not turn ON within a specified period of time after the folding main scan alignment motor /Fr (M7) starts the home position search operation. Or, even after a specified period of time after M7 starts the operation, it does not stop	• Folding main scan alignment motor /Fr (M7) • Folding main scan alignment home sensor / Fr1 (PS18) • SD control board (SDCB) • SD drive board (SDDB)
	C-1243	The folding exit home sensor (PS24) does not turn ON within a specified period of time after the folding sub scan alignment exit motor (M8) starts the home position search operation. Or, even after a specified period of time after M8 starts to decelerate, it does not stop.	• Folding sub scan alignment exit motor (M8) • Folding exit home sensor (PS24) • SD control board (SDCB) • SD drive board (SDDB)
	C-1244	The saddle stitching alignment home sensor /Rt (PS28) does not turn ON within a specified period of time after the saddle stitching alignment motor / Rt (M9) starts the home position search operation. Or, even after a specified period of time after M9 starts the operation, it does not stop.	• Saddle stitching alignment motor /Rt (M9) • Saddle stitching alignment home sensor / Rt (PS28) • SD control board (SDCB) • SD drive board (SDDB)
	C-1245	The bundle arm home sensor (PS32) does not turn ON within a specified period of time after the bundle arm motor (M10) starts the home position search operation. Or, even after a specified period of time after M10 starts the operation, it does not stop.	• Bundle arm motor (M10) • Bundle arm home sensor (PS32) • SD control board (SDCB) • SD drive board (SDDB)
	C-1246	The bundle clip upper limit sensor (PS33) does not turn ON within a specified period of time after the bundle clip motor (M11) starts the home position search operation. Or, even after a specified period of time after M11 starts the operation, it does not stop.	• Bundle clip motor (M11) • Bundle clip upper limit sensor (PS33) • Bundle clip lower limit sensor (PS30) • SD control board (SDCB) • SD drive board (SDDB)
(kythuatmayin.vn)	C-1247	The bundle registration home sensor (PS34) does not turn ON within a specified period of time after the bundle registration motor (M12) starts the home position search operation. Or, even after a specified period of time after M12 starts the operation, it does not stop.	• Bundle registration motor (M12) • Bundle registration home sensor (PS34) • SD control board (SDCB) • SD drive board (SDDB) (kythuatmayin.vn)
	C-1248	The overlap home sensor (PS17) does not turn ON within a specified period of time after the overlap motor (M13) starts the home position search operation. Or, even after a specified period of time after M13 starts the operation, it does not stop.	• Overlap motor (M13) • Overlap home sensor (PS17) • SD control board (SDCB) • SD drive board (SDDB)
	C-1249	The folding main scan alignment home sensor /Rr (PS19) does not turn ON within a specified period of time after the folding main scan alignment motor /Rr (M14) starts the home position search operation. Or, even after a specified period of time after M14 starts the operation, it does not stop.	• Folding main scan alignment motor /Rr (M14) • Folding main scan alignment home sensor / Rr (PS19) • SD control board (SDCB) • SD drive board (SDDB)
	C-1250	The stapler movement home sensor (PS25) does not turn ON within a specified period of time after the home position search operation of the stapler movement motor (M15) starts. Or, even after a specified period of time after M15 starts the operation, it does not stop	• Stapler movement motor (M15) • Stapler movement home sensor (PS25) • SD control board (SDCB) • SD drive board (SDDB)
	C-1251	The saddle stitching alignment home sensor /Lt (PS29) does not turn ON within a specified period of time after the saddle stitching alignment motor / Lt (M16) starts the home position search operation. Or, even after a specified period of time after M16 starts the operation, it does not stop.	• Saddle stitching alignment motor /Lt (M16) • Saddle stitching alignment home sensor / Lt (PS29) • SD control board (SDCB) • SD drive board (SDDB)
	C-1252	The bundle press movement home sensor (PS36) does not turn ON within a specified period of time after the bundle press movement motor (M17) starts the home position search operation. Or, even after a specified period of time after M17 starts the operation, it does not stop.	• Bundle press movement motor (M17) (kythuatmayin.vn) • Bundle press movement home sensor (PS36) • SD control board (SDCB) • SD drive board (SDDB) (kythuatmayin.vn)
	C-1253	The 1st folding blade home sensor (PS21) does not turn ON within a specified period of time after the 1st folding blade motor (M18) starts the home position search operation. Or 1st folding blade home sensor /1 (PS20) does not turned ON within a specified period of time after M18 starts the operation.	• 1st folding blade motor (M18) • 1st folding blade home sensor /1 (PS20), /2 (PS21) • SD control board (SDCB) • SD drive board (SDDB)
	C-1254	The 2nd folding blade home sensor /2 (PS23) does not turn ON within a specified period of time after the 2nd folding blade motor (M19) starts the home position search operation. Or the 2nd folding blade home sensor /1 (PS22) does not turned ON within a specified period of time after M19 starts the operation.	• 2nd folding blade motor (M19) • 2nd folding blade home sensor /1 (PS22), /2 (PS23) • SD control board (SDCB) • SD drive board (SDDB)
	C-1255	The clincher up down home sensor (PS26) does not turn ON even after a specified period of time after the clincher up down motor (M20) starts the home position search. Or, even after a specified period of time after M20 starts the operation, it does not stop.	• Clincher up down motor (M20) • Clincher up down home sensor (PS26) • SD control board (SDCB) • SD drive board (SDDB)
	C-1256	The saddle stitching press home sensor (PS27) does not turn ON within a specified period of time after the saddle stitching press motor (M21) starts the home position search operation. Or, even after a specified period of time after M21 starts the operation, it does not stop.	• Saddle stitching press motor (M21) • Saddle stitching press home sensor (PS27) • SD control board (SDCB) • SD drive board (SDDB)
	C-1257	The bundle arm rotation home sensor (PS31) does not turn ON within a specified period of time after the bundle arm rotation motor (M22) starts the home position search operation. Or, even after a specified period of time after M22 starts the operation, it does not stop.	• Bundle arm rotation motor (M22) • Bundle arm rotation home sensor (PS31) • SD control board (SDCB) • SD drive board (SDDB)
	C-1258	The bundle press home sensor (PS37) does not turn ON within a specified period of time after the bundle press motor (M23) starts the home position search operation. Or, even after a specified period of time after M23 starts the operation, it does not stop.	• Bundle press motor (M23) • Bundle press home sensor (PS37) • Bundle press lower limit sensor (PS47) • SD control board (SDCB) • SD drive board (SDDB)
	C-1259	The bundle press home sensor (PS35) does not turn ON within a specified period of time after the bundle press stage up down motor (M24) starts the home position search operation. Or PS35 or the bundle press stage up down upper limit sensor (PS45) does not turned ON after a specified period of time M24 starts the operation.	• Bundle press stage up down motor (M24) • Bundle press stage up down home sensor (PS35) • Bundle press stage up down limit sensor (PS45) • SD control board (SDCB) • SD drive board (SDDB)
	C-1260	The guide shaft home sensor (PS46) does not turn ON even after a specified period of time after the guide shaft motor (M25) starts the home position search operation. Or, even after a specified period of time after M25 starts the operation, it does not stop.	• Guide shaft motor (M25) • Guide shaft home sensor (PS46) • SD control board (SDCB) • SD drive board (SDDB)
	C-1261	The stapler home sensor / Rt (HS1) or the clincher start sensor /Rt (HS2) does not turn ON even after a specified period of time after the stapler motor /Rt (M29) starts the operation.	• Stapler assembly /Rt • SD control board (SDCB) • SD drive board (SDDB)
(kythuatmayin.vn)	C-1262	The stapler home sensor / Lt (HS3) or the clincher start sensor /Lt (HS4) does not turn ON even after a specified period of time after the stapler motor /Lt (M30) starts the operation.	• Stapler assembly /Lt • SD control board (SDCB) • SD drive board (SDDB)
	C-1263	It does not stop even after a specified period of time after the trimmer blade motor (M31) starts the operation.	• Trimmer blade motor (M31) • Trimmer blade home sensor (PS50) • Trimmer blade upper limit sensor (PS51) • SD control board (SDCB) • SD drive board (SDDB)
	C-1264	It does not stop even after a specified period of time after the trimmer press motor (M32) starts the operation.	• Trimmer press motor (M32) • Trimmer press home sensor (PS53) • Trimmer press upper limit sensor (PS52) • SD control board (SDCB) • SD drive board (SDDB)
	C-1265	It does not stop even after a specified period of time after the bundle arm assist motor (M26) starts the operation.	• Bundle arm assist motor (M26) • Bundle arm assist home sensor (PS38) • Bundle arm assist upper limit sensor (PS39) • SD control board (SDCB) • SD drive board (SDDB)
	C-1266	Rotation abnormality is detected for a specified period of time in succession while the entrance conveyance motor (M1) is driving.	• Entrance conveyance motor (M1) • SD control board (SDCB) • SD drive board (SDDB)
	C-1267	Rotation abnormality is detected for a specified period of time in succession while the horizontal conveyance motor (M2) is driving.	• Horizontal conveyance motor (M2) • SD control board (SDCB) • SD drive board (SDDB)
	C-1268	Rotation abnormality is detected for a specified period of time in succession while the folding entrance motor (M3) is driving.	• Folding entrance motor (M3) • SD control board (SDCB) • SD drive board (SDDB)
	C-1269	Rotation abnormality is detected for a specified period of time in succession while the folding transfer motor (M4) is driving.	• Folding transfer motor (M4) • SD control board (SDCB) • SD drive board (SDDB)
	C-1270	Rotation abnormality is detected for a specified period of time in succession while the bundle exit motor (M5) is driving.	• Bundle exit motor (M5) • SD control board (SDCB) • SD drive board (SDDB)
	C-1271	Rotation abnormality is detected for a specified period of time in succession while the folding sub scan alignment exit motor (M8) is driving.	• Folding sub scan alignment exit motor (M8) • SD control board (SDCB) • SD drive board (SDDB)
	C-1272	Rotation abnormality is detected for a specified period of time in succession while the trimmer paddle motor (M33) is driving.	• Trimmer paddle motor (M33) • SD control board (SDCB) • SD drive board (SDDB)
	C-1273	The trimmer completion sensor (PS62) does not turn ON even after a specified period of time after the trimmer blade motor (M31) is in the up operation.	• Trimmer blade motor (M31) • Trimmer completion sensor (PS62) • SD control board (SDCB) • SD drive board (SDDB)
	C-1275	The wire slack sensor (PS66) detected the slack of the trimmer edge drive wire.	• Wire slack prevention sensor (PS66) • SD control board (SDCB) • SD drive board (SDDB)
RU : RU-506 abnormality	C-1281	FD alignment motor (M3) drive abnormality. The FD alignment home sensor (PS3) does not turn ON even after a specified period of time after M3 starts the home position search operation. Or, even after a specified period of time after M3 starts the operation, it does not stop.	• RU control board (RUCB) • FD alignment motor (M3) • FD alignment home sensor (PS3)
RU : RU-506 abnormality	C-1282	CD alignment motor (M4) drive abnormality. The CD alignment home sensor (PS4) does not turn ON even after a specified period of time after M4 starts the home position search operation. Or, even after a specified period of time after M4 starts the operation, it does not stop.	• RU control board (RUCB) • CD alignment motor (M4) • CD alignment home sensor (PS4)
RU-508: RU-508 abnormality	C-1290	Rotation abnormality is detected for a specified period of time in succession while the decurler conveyance motor (M3) is driving.	• De-curler conveyance motor (M3) • RU control board (RUCB)
	C-1291	The operation does not finish within a specified period of time after the home position search of the de-curler pressure motor /Lw (M5) starts.	• De-curler pressure motor /Lw (M5) • RU control board (RUCB)
	C-1292	The operation does not finish within a specified period of time after the home position search of the de-curler pressure motor /Up (M6) starts.	• De-curler pressure motor /Up (M6) • RU control board (RUCB)
	C-1293	Rotation abnormality is detected for a specified period of time in succession while the humidification section conveyance motor (M8) is driving.	• Humidification section conveyance motor (M8) • RU drive board (RUDB) • RU control board (RUCB)
	C-1294	The operation does not finish within a specified period of time after the home position search of the humidification section roller pressure motor /Rt (M9) starts.	• Humidification section roller pressure motor /Rt (M9) • RU drive board (RUDB) • RU control board (RUCB)
	C-1295	The operation does not finish within a specified period of time after the home position search of the humidification section roller pressure motor /Lt (M10) starts.	• Humidification roller pressure motor /Lt (M10) • RU drive board (RUDB) • RU control board (RUCB)
	C-1296	Color density sensor detection preparation adjustment value abnormality	• Color density sensor unit • Color density control board (CDCB) • RU control board (RUCB)
	C-1297	Color density sensor detection start abnormality	• Color density sensor unit • Color density control board (CDCB) • RU control board (RUCB)
	C-1298	EEPROM read out abnormality in the color density relay board (CDRLB)	• Color density control board (CDCB) • RU control board (RUCB)
	C-1299	The water tank full sensor (PS13) detects ON continuously for more than a specified period of time.	• Drain path • Water tank full sensor (PS13) • RU deive board (RUDB)
LS (1st tandem): LS abnormality	C-1301	An error detection signal is detected continuously for a specified period of time while the paper cooling fan motor /Fr (FM1) is ON.	• Paper cooling fan motor /Fr (FM1) • LS control board (LSCB)
LS (1st tandem): LS abnormality	C-1302	An error detection signal is detected continuously for a specified period of time while the paper cooling fan motor /Fr (FM2) is ON.	• Paper cooling fan motor /1 (FM2) • LS control board (LSCB)
LS (1st tandem): LS abnormality	C-1303	An error detection signal is detected continuously for a specified period of time while the paper cooling fan motor/Mi (FM3) is ON.	• Paper cooling fan motor /Mi (FM3) • LS control board (LSCB)
	C-1304	An error detection signal of FM4 is detected continuously for a specified period of time while the motor cooling fan motor (FM4) is ON.	• Motor cooling fan motor (FM4) • LS control board (LSCB)
	C-1305	An error detection signal of FM5 is detected continuously for a specified period of time while the paper cooling fan motor /Rr (FM5) is ON.	• Paper cooling fan motor /Rr (FM5) • LS control board (LSCB)
LS (2nd tandem): LS abnormality	C-1306	An error detection signal is detected continuously for a specified period of time while the paper cooling fan motor /Fr (FM1) is ON.	• Paper cooling fan motor /Fr (FM1) • LS control board (LSCB)
LS (2nd tandem): LS abnormality	C-1307	An error detection signal is detected continuously for a specified period of time while the paper cooling fan motor/1 (FM2) is ON.	• Paper cooling fan motor /1 (FM2) • LS control board (LSCB)
LS (2nd tandem): LS abnormality	C-1308	An error detection signal is detected continuously for a specified period of time while the paper cooling fan motor /Mi (FM3) is ON.	• Paper cooling fan motor /Mi (FM3) • LS control board (LSCB)
LS (2nd tandem): LS abnormality	C-1309	An error detection signal of FM4 is detected continuously for a specified period of time while the motor cooling fan motor (FM4) is ON.	• Motor cooling fan motor • LS control board (LSCB)
LS (2nd tandem): LS abnormality	C-1310	An error detection signal of FM5 is detected continuously for a specified period of time while the paper cooling fan motor /Rr (FM5) is ON.	• Paper cooling fan motor /Rr (FM5) • LS control board (LSCB)
SD: SD abnormality	C-1311	A rotation error detection signal is detected continuously for specified period of time while the scraps removal fan motor (FM1) is started or driving.	• Scraps removal fan motor (FM1) • SD control board (SDCB) • SD drive board (SDDB)
PB: PB abnormality	C-1330	A rotation error detection signal is detected continuously for specified time period while the cover paper tray fan /1 (FM71) is started or driving.	• PB control board (PBCB) • PB drive board (PBCB) • Cover paper tray fan /1 (FM71)
PB: PB abnormality	C-1331	A rotation error detection signal is detected continuously for specified time period while the cover paper tray fan /2 (FM72) is started or driving.	• PB control board (PBCB) • PB drive board (PBCB) • Cover paper tray fan /2 (FM72)
PB: PB abnormality	C-1332	A rotation error detection signal is detected continuously for a specified time period while the exhaust fan /1 (FM80) is started or driving.	• PB control board (PBCB) • PB drive board (PBDB) • Exhaust fan /1 (FM80)
PB: PB abnormality	C-1333	A rotation error detection signal is detected continuously for a specified time period while the exhaust fan /2 (FM81) is started or driving.	• AC drive board (ACDB) • PB control board (PBCB) • PB drive board (PBDB) • Exhaust fan /2 (FM81)
	C-1334	A rotation error detection signal is detected continuously for specified period of time while the pellet supply cooling fan (FM4) is started or driving.	• AC drive board (ACDB) • PB control board (PBCB) • PB drive board (PBDB) • Pellet supply cooling fan (FM4)• AC drive board (ACDB) • PB control board (PBCB) • PB drive board (PBDB) • Pellet supply cooling fan (FM4)
RU : RU-506 abnormality	C-1341	Stack assist fan /Fr (FM1) rotation abnormality. Rotation abnormality detected continuously for the specified time during FM1 operation.	• RU control board (RUCB) • Stack assist fan /Fr (FM1)
RU : RU-506 abnormality	C-1342	Stack assist fan /Rr (FM2) rotation abnormality. Rotation abnormality detected continuously for the specified time during FM2 operation.	• RU control board (RUCB) • Stack assist fan /Rr (FM2)
RU-508: RU-508 abnormality	C-1351	An error detection signal is detected continuously for a specified period of time while the entrance paper fans /1 (FM1), /2 (FM2) and /3 (FM3) are ON.	• Entrance paper fan /1 (FM1) • Entrance paper fan /2 (FM2) • Entrance paper fan /3 (FM3) • RU control board (RUCB)
RU-508: RU-508 abnormality	C-1352	An error detection signal is detected continuously for a specified period of time while the ventilation assist fans /1 (FM4) and /2 (FM5) are ON.	• Ventilation assist fan /1 (FM4) • Ventilation assist fan /2 (FM5) • RU control board (RUCB)
• Ventilation assist fan /1 (FM4) • Ventilation assist fan /2 (FM5) • RU control board (RUCB)	C-1353	An error detection signal is detected continuously for a specified period of time while the entrance paper fans /4 (FM15), /5 (FM16) and /6 (FM17) are ON.	• Entrance paper fan /4 (FM15) • Entrance paper fan /5 (FM16) • Entrance paper fan /6 (FM17) • RU control board (RUCB)
RU-508: RU-508 abnormality	C-1354	An error detection signal is detected continuously for a specified period of time while the entrance paper fans /7 (FM18), /8 (FM19) and /9 (FM20) are ON.	• Entrance paper fan /7 (FM18) • Entrance paper fan /8 (FM19) • Entrance paper fan /9 (FM20) • RU control board (RUCB)
RU-508: RU-508 abnormality	C-1355	An error detection signal is detected continuously for a specified period of time while the ventilation assist fan /3 (FM21) and the conveyance paper fan (FM22) are ON.	• Ventilation assist fan /3 (FM21) • Conveyance paper fan (FM22) • RU control board (RUCB)
RU-508: RU-508 abnormality	C-1356	An error detection signal is detected continuously for a specified period of time while the humidification section paper fan /1 (FM6) is ON.	• Humidification section paper fan /1 (FM6) • RU drive board (RUDB) • RU control board (RUCB)
RU-508: RU-508 abnormality	C-1357	An error detection signal is detected continuously for a specified period of time while the humidification section paper fan /2 (FM7) is ON.	• Humidification section paper fan /2 (FM7) • RU drive board (RUDB) • RU control board (RUCB)
	C-1358	An error detection signal is detected continuously for a specified period of time while the humidification section paper fan /3 (FM8) is ON.	• Humidification section paper fan /3 (FM8) • RU drive board (RUDB) • RU control board (RUCB)
	C-1359	An error detection signal is detected continuously for a specified period of time while the humidification section paper fan /4 (FM9) is ON.	• Humidification section paper fan /4 (FM9) • RU drive board (RUDB) • RU control board (RUCB)
	C-1360	An error detection signal is detected continuously for a specified period of time while the humidification section paper fan /5 (FM10) is ON.	• Humidification section paper fan /5 (FM10) • RU drive board (RUDB) • RU control board (RUCB)
	C-1361	An error detection signal is detected continuously for a specified period of time while the humidification section paper fan /6 (FM11) is ON.	• Humidification section paper fan /6 (FM11) • RU drive board (RUDB) • RU control board (RUCB)
	C-1364	An error detection signal is detected continuously for a specified period of time while the power supply fan (FM14) is ON.	• Power supply fan (FM14) • DC power supply (DCPS)
FS: FS abnormality	C-1402	Non-volatile memory abnormality.	• FS control board (LSCB) • FNS control board (FNSCB)
FD: FD abnormality	C-1403	Non-volatile memory abnormality.	FD control board (FDCB)
SD: SD abnormality	C-1404	Non-volatile memory abnormality.	SD control board (SDCB)
PB: PB abnormality	C-1406	Non-volatile memory abnormality in the PB control board (PBCB)	• PB control board (PBCB) • Control program
RU-508: RU-508 abnormality	C-1407	Non-volatile memory abnormality.	RU control board (RUCB)
RU : RU-506 abnormality	C-1408	Non-volatile memory error	RU control board (RUCB)
SD: SD abnormality	C-1411	5V power abnormality in the SD drive board (SDDB)	SD drive board (SDDB)
FS: FS-612 abnormality	C-1431 (FS-612)	Communication error in FS	Software bug
FD: FD abnormality	C-1432	Communication error in FD	Software bug
SD: SD abnormality	C-1433	Communication error in SD	Software bug
PB: PB abnormality	C-1435	Message queue full or the control abnormality of Sub CPU1 in the PB control board (PBCB)	• PB control board (PBCB) • Control program
PB: PB abnormality	C-1436	Message queue full or the control abnormality of Sub CPU2 in the PB control board (PBCB)	• PB control board (PBCB) • Control program
PB: PB abnormality	C-1437	Message queue of the communication among tasks in the PB is full.	Control program
RU-508: RU-508 abnormality	C-1438	Communication error in RU	Software bug
RU : RU-506 abnormality	C-1439	RU received operation start from the main body when unready.	Software bug
RU-508: RU-508 abnormality	C-1440	RU SubCPU communication error (Main side)	• RU control board (RUCB) • RU program
RU-508: RU-508 abnormality	C-1441	RU SubCPU communication error (Sub side)	• RU control board (RUCB) • RU program
FD: FD abnormality	C-1451	When the FD is unready, a signal to start operations is received from the main body.	Software bug
SD: SD abnormality	C-1452	When the SD is unready, a signal to start operations is received from the main body.	Software bug
PB: PB abnormality	C-1454	PB operation prohibition abnormality. PB received operation start signal from the main body when the PB is unready.	Control program
RU-508: RU-508 abnormality	C-1455	When RU is unready, a signal to start operations is	Software bug
RU : RU-506 abnormality	C-1456	RU received operation start signal from the main body when the RU is unready.	Software bug
PB: PB abnormality	C-1501	The entrance conveyance has not been completed within a specified period of time after the entrance conveyance motor (M1) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Entrance conveyance motor (M1)
PB: PB abnormality	C-1502	A rotation error detection signal is detected for a specified period of time in succession while the intermediate conveyance motor (M2) is driving.	• PB control board (PBCB) • PB drive board (PBDB) • Intermediate conveyance motor (M2)
PB: PB abnormality	C-1504	The SC entrance conveyance has not been completed within a specified period of time after the SC entrance conveyance motor (M11) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • SC entrance conveyance motor (M11)
PB: PB abnormality	C-1505	The switchback conveyance has not been completed within a specified period of time after the SC switchback conveyance motor (M12) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • SC switchback conveyance motor (M12)
PB: PB abnormality	C-1506	The switchback roller release operation has not been completed within a specified period of time after the SC switchback conveyance motor (M13) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • SC switchback release motor (M13)
PB: PB abnormality	C-1507	The SC alignment has not been completed within a specified period of time after SC alignment motor (M15) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • SC alignment motor (M15)
PB: PB abnormality	C-1508	The SC paper bundle conveyance has not been completed within a specified period of time after the SC paper bundle conveyance motor (M17) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • SC bundle conveyance motor (M17)
PB: PB abnormality	C-1509	The SC roller release operation has not been completed within a specified period of time after the SC roller release motor (M18) turns ON.	• PB control board (PBCB) • PB drive board (PBCB) • SC roller release motor (M18)
PB: PB abnormality	C-1510	The SC entrance movement operation has not been completed within a specified period of time after the clamp entrance movement motor (M19) turns ON.	• PB control board (PBCB) • PB drive board (PBCB) • Clamp entrance movement motor (M19)
	C-1511	The SC entrance roller release operation has not been completed within a specified period of time after the SC entrance roller release motor (M20) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Clamp entrance roller release motor (M20)
	C-1512	The SC alignment has not been completed within a specified period of time after SC alignment motor (M21) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Clamp alignment motor (M21)
	C-1513	The clamp section open/ close operation has not been completed within a specified period of time after the clamp motor (M22) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Clamp motor (M22)
	C-1514	The clamp rotation operation has not been completed within a specified period of time after the clamp rotation motor (M23) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Clamp rotation motor (M23)
	C-1515	The glue tank movement operation has not been completed within a specified period of time after the glue tank movement motor (M31) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Glue tank movement motor (M31)
	C-1516	A rotation error detection signal is detected for a specified period of time in succession while the glue apply roller motor (M32) is driving.	• PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32)
	C-1517	The count of a specified number of pellets, which is counted by the pellet supply passage sensor (PS37), has not been reached after the pellet supply pipe motor (M33) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Pellet supply pipe motor (M33)
	C-1518	The operation of the pellet supply arm has not been completed within a specified period of time after the pellet supply arm motor (M34) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Pellet supply arm motor (M34)
	C-1519	The alignment in the cover paper table up/down section has not been completed within a specified period of time after the cover paper alignment motor (M41) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Cover paper alignment motor (M41)
	C-1520	The booklet exit has not been completed within a specified period of time after the booklet exit motor (M42) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Booklet exit motor (M42)
	C-1521	The driven arm /Rt swing operation start has not been completed within a specified period of time after the cover paper conveyance arm motor /Rt (M43) turns ON	• PB control board (PBCB) • PB drive board (PBDB) • Cover paper conveyance arm motor / Rt (M43)
	C-1522	The driven arm /Lt swing operation start has not been completed within a specified period of time after the cover paper conveyance arm motor /Lt (M44) turns ON	• PB control board (PBCB) • PB drive board (PBDB) • Cover paper conveyance arm motor / Lt (M44)
	C-1523	The cover paper conveyance start has not been completed within a specified period of time after cover paper feed motor (M45) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Cover paper conveyance motor (M45)
	C-1524	The cover paper table up or down movement has not been completed within a specified period of time after the cover paper table up down motor /Fr (M46) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Cover paper table up down motor /Fr (M46)
	C-1525	The cover paper table up or down movement has not been completed within a specified period of time after the cover paper table up down motor /Rr (M47) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Cover paper table up down motor /Rr (M47)
	C-1526	The movement of the cover paper folding plate / Rt has not been completed within a specified period of time after the cover paper folding motor /Rt (M48) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Cover paper folding motor /Rt (M48)
	C-1527	The movement of the cover paper folding plate / Lt has not been completed within a specified period of time after the cover paper folding motor /Lt (M49) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Cover paper folding motor /Lt (M49)
	C-1528	The trimming of the cover paper has not been completed within a specified period of time after the cutter motor (M50) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Cutter motor (M50)
	C-1530	The booklet movement of the booklet conveyance section has not been completed within a specified period of time after the book movement belt motor (M61) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Booklet conveyance belt motor (M61)
	C-1531	The size changing operation of the carriage section has not been completed within a specified period of time after the booklet conveyance belt movement motor (M62) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Booklet conveyance belt movement motor (M62)
	C-1532	The up/down movement operation of the carriage section has not been completed within a specified period of time after the booklet conveyance belt up down motor (M63) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Booklet conveyance belt up down motor (M63)
	C-1534	The booklet rear edge pressing process has not been completed within a specified period of time after the booklet stopper motor (M65) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Book stopper motor (M65)
	C-1537	The tray moving up process has not been completed within a specified period of time after the cover paper tray lift motor (M73) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Cover paper tray lift motor (M73)
	C-1538	The cover paper feed has not been completed within a specified period of time after the cover paper feed motor (M74) turns ON.	• PB control board (PBCB) • PB drive board (PBDB) • Cover paper feed motor (M74)
	C-1540	After the warm-up is started, temperature detected by the glue tank temperature sensor /Md (TH3) has not risen to a prescribed level within a specified time period.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue tank temperature sensor /Md (TH3)
	C-1541	After the warm-up is started, temperature detected by the glue tank temperature sensor /Lw (TH4) has not risen to a prescribed level within a specified time period.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue tank temperature sensor /Lw (TH4)
	C-1542	After the warm-up is started, temperature detected by the glue apply roller temperature sensor (TH1) has not risen to a prescribed level within a specified time period.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue apply roller temperature sensor (TH1)
	C-1543	After the pellet supply, temperature detected by the glue tank temperature sensor /Up (TH2) has not risen to a prescribed level within a specified period of time.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue tank temperature sensor /Up (TH2)
	C-1544	During standby, after the glue tank heater (H1) is turned ON, temperature detected by the glue tank temperature sensor /Md (TH3) has not risen to a prescribed level within a specified time period.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue tank temperature sensor /Md (TH3)
	C-1545	When the prescribed temperature is obtained and after the glue tank heater (H1) is turned ON, temperature detected by the glue tank temperature sensor /Lw (TH4) has not risen to a prescribed level within a specified time period.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue tank temperature sensor /Lw (TH4)
	C-1546	When the prescribed temperature is obtained and after the glue tank heater (H1) is turned ON, temperature detected by the glue apply roller temperature sensor (TH1) has not risen to a prescribed level within a specified time period.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue apply roller temperature sensor (TH1)
	C-1547	The glue apply roller temperature sensor (TH1) detects an abnormal high temperature.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue apply roller temperature sensor (TH1)
	C-1548	The glue tank temperature sensor /Up (TH2) detects an abnormal high temperature	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue tank temperature sensor /Up (TH2)
	C-1549	The glue tank temperature sensor /Md (TH3) detects an abnormal high temperature.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue tank temperature sensor /Md (TH3)
	C-1550	The glue tank temperature sensor /Lw (TH4) detects an abnormal high temperature.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue tank temperature sensor /Lw (TH4)
	C-1551	The glue apply roller temperature sensor (TH1) detects an abnormal high temperature (hardware) TH1 detects an abnormal high temperature of the glue apply roller.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue apply roller temperature sensor (TH1)
	C-1552	The glue tank temperature sensor /Up (TH2) detects an abnormal high temperature (hardware). TH2 detects an abnormal high temperature of the glue tank.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue tank temperature sensor /Up (TH2)
	C-1553	The glue tank temperature sensor /Md (TH3) detects an abnormal high temperature (hardware). TH3 detects an abnormal high temperature of the glue tank.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue tank temperature sensor /Md (TH3)
	C-1554	The glue tank temperature sensor /Lw (TH4) detects an abnormal high temperature (hardware). TH4 detects an abnormal high temperature of the glue tank.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue tank temperature sensor /Lw (TH4)
	C-1555	After warming-up is completed, the glue apply roller temperature sensor (TH1) detects an abnormal low temperature.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue apply roller temperature sensor (TH1)
	C-1556	When glue supply control temperature is reached, the glue tank temperature sensor /Up (TH2) detects an abnormal low temperature.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue tank temperature sensor /Up (TH2)
	C-1557	After warming-up is completed, the glue tank temperature sensor /Md (TH3) detects an abnormal low temperature.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue tank temperature sensor /Md (TH3)
	C-1558	After warming-up is completed, the glue tank temperature sensor /Lw (TH4) detects an abnormal low temperature.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue tank temperature sensor /Lw (TH4)
	C-1559	The glue apply roller temperature sensor (TH1) detects an abnormal low temperature (hardware). After warming-up is completed, TH1 detects the glue apply roller error signal of abnormal low temperature.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue apply roller temperature sensor (TH1)
	C-1560	The glue tank temperature sensor /Up (TH2) detects an abnormal low temperature (hardware). After glue supply control temperature is reached, TH2 detects the glue tank error signal of abnormal low temperature.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue tank temperature sensor /Up (TH2)
	C-1561	The glue tank temperature sensor /Md (TH3) detects an abnormal low temperature (hardware). After warming-up is completed, TH3 detects the glue tank error signal of abnormal low temperature.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue tank temperature sensor /Md (TH3)
	C-1562	The glue tank temperature sensor /Lw (TH4) detects an abnormal low temperature (hardware). After warming-up is completed, TH4 detects the glue tank error signal of abnormal low temperature.	• AC drive board (ACDB) • Glue tank heater (H1) • Glue apply roller heater (H2) • PB control board (PBCB) • PB drive board (PBDB) • Glue apply roller motor (M32) • Glue tank temperature sensor /Lw (TH4)
	C-1565	Relay conveyance motor drive abnormality	• Relay conveyance motor (M92) • PB control board (PBCB) • PB drive board (PBCB)
	C-1566	Relay conveyance exit motor drive abnormality A rotation error detection signal is detected for a specified period of time in succession while the relay conveyance exit motor (M91) is driving.	• Relay conveyance paper exit motor (M91) • PB control board (PBCB) • PB drive board (PBCB)
	C-1567	Pellet supply pipe motor drive abnormality The pellet supply pipe has not completed the operations within a specified period of time after the pellet supply pipe motor (M33) turns ON.	• Pellet supply pipe motor (M33) • PB control board (PBCB) • PB drive board (PBCB)
Main body: Communication error	C-2001	Communication error with the DSP on the printer control board (PRCB) A sufficient space cannot be obtained for a specified period of time in the circular buffer to send to the DSP on the printer control board (PRCB).	Printer control board (PRCB)
Main body: Communication error	C-2002	Communication error with the DSP on the printer control board (PRCB) An error signal of communication error in the DSP on the printer control board (PRCB) is detected.	Printer control board (PRCB)
Main body: Developing motor abnormality	C-2201	An error detection signal of M5 is detected continuously for a specified period of time while the developing motor /Y (M5) is ON.	• Developing motor /Y (M5) • Printer control board (PRCB) • DC power supply /2 (DCPS/2)
Main body: Developing motor abnormality	C-2202	An error detection signal of M6 is detected continuously for a specified period of time while the developing motor /M (M6) is ON.	• Developing motor /M (M6) • Printer control board (PRCB) • DC power supply /2 (DCPS/2)
Main body: Developing motor abnormality	C-2203	An error detection signal of M7 is detected continuously for a specified period of time while the developing motor /C (M7) is ON.	• Developing motor /C (M7) • Printer control board (PRCB) • DC power supply /2 (DCPS/2)
Main body: Developing motor abnormality	C-2204	An error detection signal of M8 is detected continuously for a specified period of time while the developing motor /K (M8) is ON.	• Developing motor /K (M8) • Printer control board (PRCB) • DC power supply /2 (DCPS/2)
Main body: Drum motor abnormality	C-2211	An error detection signal of M1 is detected continuously for a specified period of time while the drum motor /Y (M1) is ON.	• Drum motor /Y (M1) • Printer control board (PRCB) • Encoder sensor /Y1 (PS73), /Y2 (PS74) • DC power supply /2 (DCPS/2)
Main body: Drum motor abnormality	C-2212	An error detection signal of M2 is detected continuously for a specified period of time while the drum motor /M (M2) is ON.	• Drum motor /M (M2) • Printer control board (PRCB) • Encoder sensor /M1 (PS75), /M2 (PS76) • DC power supply /2 (DCPS/2)
Main body: Drum motor abnormality	C-2213	An error detection signal of M3 is detected continuously for a specified period of time while the drum motor /C (M3) is ON.	• Drum motor /C (M3) • Printer control board (PRCB) • Encoder sensor /C1 (PS77), /C2 (PS78) • DC power supply /2 (DCPS/2)
Main body: Drum motor abnormality	C-2214	An error detection signal of M4 is detected continuously for a specified period of time while the drum motor /K (M4) is ON.	• Drum motor /K (M4) • Printer control board (PRCB) • Encoder sensor /K1 (PS79), /K2 (PS80) • DC power supply /2 (DCPS/2)
Main body: Intermediate transfer belt motor abnormality	C-2220	An error detection signal of M9 is detected continuously for a specified period of time while the intermediate transfer belt motor (M9) is ON.	• Intermediate transfer belt motor (M9) • Printer control board (PRCB) • Intermediate transfer belt encoder /1 (M81), /2 (M82) • DC power supply /4 (DCPS/4)
Main body: 1st transfer pressure release abnormality	C-2221	While the 1st transfer pressure release home sensor (PS44) is ON, PS44 does not turn OFF within a specified period of time after the 1st transfer pressure release motor (M11) turns ON.	• Printer control board (PRCB) • 1st transfer pressure release motor (M11)
Main body: Waste toner collection motor abnormality	C-2222	An error detection signal of M35 is detected continuously for a specified period of time while the waste toner collection motor (M35) is ON.	• Waste toner collection motor (M35) • Printer control board (PRCB) • DC power supply /2 (DCPS/2)
Main body: 2nd transfer belt motor abnormality	C-2223	An error detection signal is detected continuously for a specified period of time while the 2nd transfer belt motor (M40) is ON.	• 2nd transfer belt motor (M40) • Conveyance drive board (CDB) • DC power supply /3 (DCPS/3)
Main body: 2nd transfer steering motor abnormality	C-2224	The 2nd transfer steering home sensor (PS49) does not turn ON within a specified period of time after the initial operation of the 2nd transfer steering motor (M46) starts.	• 2nd transfer steering motor (M46) • 2nd transfer steering home sensor (PS49) • Conveyance drive board (CDB) • Printer control board (PRCB)
Main body: 2nd transfer belt edge sensor abnormality	C-2225	The 2nd transfer belt abnormal sensor (PS50) detects an error detection signal.	• 2nd transfer belt abnormal sensor (PS50) • Conveyance drive board (CDB) • Printer control board (PRCB)
Main body: Toner bottle motor abnormality	C-2226	An error detection signal of M20 is detected continuously for a specified period of time while the toner bottle motor (M20) is ON.	• Toner bottle motor (M20) • Printer control board (PRCB) • DC power supply /2 (DCPS/2)
Main body: toner skew conveyance motor abnormality	C-2227	An error detection signal of M15 is detected continuously for a specified period of time while the toner skew conveyance motor (M15) is ON.	• Toner skew conveyance motor (M15) • Printer control board (PRCB) • Toner drive board (TDB) • DC power supply /2 (DCPS/2)
Main body: Toner hopper agitated motor abnormality	C-2228	An error detection signal of M14 is detected continuously for a specified period of time while the toner hopper agitated motor (M14) is ON.	• Toner hopper agitated motor (M14) • Printer control board (PRCB) • Toner drive board (TDB) • DC power supply /2 (DCPS/2)
Main body: Toner supply motor /Y (M16), / M (M17) drive circuit abnormality	C-2229	An error detection signal of the toner supply motor /Y (M16), /M (M17) drive circuit abnormality is detected.	Toner drive board (TDB)
Main body: Toner supply motor /C (M18), / K (M19) drive circuit abnormality	C-2230	An error detection signal of the toner supply motor /C (M18), /K (M19) drive circuit abnormality is detected.	Toner drive board (TDB)
Main body: Filter cleaning motor abnormality	C-2231	An error detection signal of M13 is detected continuously for a specified period of time while the filter cleaning motor (M13) is ON.	• Filter cleaning motor (M13) • Printer control board (PRCB) • DC power supply /2 (DCPS/2)
Main body: 1st transfer pressure release motor drive circuit abnormality	C-2232	An error detection signal of the 1st transfer pressure release motor (M11) drive circuit abnormality is detected.	• 1st transfer pressure release motor (M11) • Printer control board (PRCB)
Main body: Cleaning motor abnormality	C-2233	An error detection signal of M10 is detected continuously for a specified period of time while the cleaning motor (M10) is ON.	• Cleaning motor (M10) • Printer control board (PRCB) • DC power supply /2 (DCPS/2)
Main body: Intermediate transfer steering motor (M33) abnormality	C-2234	The intermediate transfer steering home sensor (PS46) does not turn ON within a specified period of time after the initial operation of the intermediate transfer steering motor (M33) starts.	• Intermediate transfer steering motor (M33) • Intermediate transfer steering home sensor (PS46) • Printer control board (PRCB)
Main body: Intermediate transfer steering edge sensor abnormality	C-2235	The intermediate transfer steering edge sensor (PS68) detect an error detection signal.	• Intermediate transfer steering edge sensor (PS68) • Printer control board (PRCB)
Main body: Motor cooling fan abnormality	C-2302	An error detection signal of FM3 or FM4 is detected continuously for a specified period of time while the motor cooling fans /1 (FM3) and /2 (FM2) are ON.	• Motor cooling fan /1 (FM3) • Motor cooling fan /2 (FM4) • Printer control board (PRCB)
Main body: Intermediate transfer cleaning cooling fan abnormality	C-2303	An error detection signal of FM19, FM20 or FM21 is detected continuously for a specified period of time while the intermediate transfer cleaning cooling fans /1 (FM19), /2 (FM20), /3 (FM21) are ON.	• Intermediate transfer cleaning cooling fan /1 (FM19) • Intermediate transfer cleaning cooling fan /2 (FM20) • Intermediate transfer cleaning cooling fan /3 (FM21) • Printer control board (PRCB)
Main body: Toner suction fan abnormality	C-2304	An error detection signal of FM17 is detected continuously for a specified period of time while the toner suction fan /1 (FM17) is ON.	• Toner suction fan /1 (FM17) • Printer control board (PRCB)
Main body: Toner suction fan abnormality	C-2305	C-2305 An error detection signal of FM6 is detected continuously for a specified period of time while the toner suction fan /2 (FM6) is ON.	• Toner suction fan /2 (FM6) • Printer control board (PRCB)
Main body: Developing charge fan /1 abnormality	C-2306	An error detection signal of FM7 is detected continuously for a specified period of time while the developing charge fan /1 (FM7) is ON.	• Developing charge fan / 1 (FM7) • Toner drive board (TDB)
Main body: Developing charge fan /1 abnormality	C-2307	An error detection signal of FM8 is detected continuously for a specified period of time while the developing charge fan /2 (FM8) is ON.	• Developing charge fan / 2 (FM8) • Toner drive board (TDB)
Main body: Developing charge fan /1 abnormality	C-2308	An error detection signal of FM9 is detected continuously for a specified period of time while the developing charge fan /3 (FM9) is ON.	• Developing charge fan / 3 (FM9) • Toner drive board (TDB)
Main body: Developing charge fan /1 abnormality	C-2309	An error detection signal of FM10 is detected continuously for a specified period of time while the developing charge fan /4 (FM10) is ON.	• Developing charge fan / 4 (FM10) • Toner drive board (TDB)
Main body: Erase lamp abnormality	C-2401	The erase lamp /Y (EL/Y) set status cannot be detected.	• Erase lamp /Y (EL/Y) • Printer control board (PRCB)
Main body: Erase lamp abnormality	C-2402	The erase lamp /M (EL/M) set status cannot be detected.	• Erase lamp /M (EL/M) • Printer control board (PRCB)
Main body: Erase lamp abnormality	C-2403	The erase lamp /C (EL/C) set status cannot be detected.	• Erase lamp /C (EL/C) • Printer control board (PRCB)
Main body: Erase lamp abnormality	C-2404	The erase lamp /K (EL/K) set status cannot be detected.	• Erase lamp /K (EL/K) • Printer control board (PRCB)
Main body: TCR sensor abnormality	C-2411	The input value of the TCR sensor /Y (TCRS/Y) is low while the TCR sensor control voltage is at maximum value. (There may be connector disconnection or sensor abnormality.)	• TCR sensor /Y (TCRS / Y) • Printer control board (PRCB)
	C-2412	The input value of the TCR sensor /M (TCRS/M) is low while the TCR sensor control voltage is at maximum value. (There may be connector disconnection or sensor abnormality.)	• TCR sensor /M (TCRS / M) • Printer control board (PRCB)
	C-2413	The input value of the TCR sensor /C (TCRS/C) is low while the TCR sensor control voltage is at maximum value. (There may be connector disconnection or sensor abnormality.)	• TCR sensor /C (TCRS / C) • Printer control board (PRCB)
	C-2414	The input value of the TCR sensor /K (TCRS/K) is low while the TCR sensor control voltage is at maximum value. (There may be connector disconnection or sensor abnormality.)	• TCR sensor /K (TCRS / K) • Printer control board (PRCB)
Main body: TCR sensor initial adjustment abnormality (low density)	C-2431	While in the initial adjustment of the TCR sensor /Y (TCRS /Y), TCRS/Y detects a value higher than the prescribed one with the minimum control voltage.	• TCR sensor /Y (TCRS / Y) • Printer control board (PRCB)
Main body: TCR sensor initial adjustment abnormality (low density)	C-2432	While in the initial adjustment of the TCR sensor /M (TCRS /M), TCRS/M detects a value higher than the prescribed one with the minimum control voltage.	• TCR sensor /M (TCRS / M) • Printer control board (PRCB)
Main body: TCR sensor initial adjustment abnormality (low density)	C-2433	While in the initial adjustment of the TCR sensor /C (TCRS /C), TCRS/C detects a value higher than the prescribed one with the minimum control voltage.	• TCR sensor /C (TCRS / C) • Printer control board (PRCB)
Main body: TCR sensor initial adjustment abnormality (low density)	C-2434	While in the initial adjustment of the TCR sensor /K (TCRS /K), TCRS/K detects a value higher than the prescribed one with the minimum control voltage.	• TCR sensor /K (TCRS / K) • Printer control board (PRCB)
Main body: TCR sensor initial adjustment abnormality (high density)	C-2441	While in the initial adjustment of the TCR sensor /Y (TCRS /Y), TCRS/Y detects a value lower than the prescribed one with the maximum control voltage.	• TCR sensor /Y (TCRS / Y) • Printer control board (PRCB)
Main body: TCR sensor initial adjustment abnormality (high density)	C-2442	While in the initial adjustment of the TCR sensor /M (TCRS /M), TCRS/M detects a value lower than the prescribed one with the maximum control voltage.	• TCR sensor /M (TCRS / M) • Printer control board (PRCB)
	C-2443	While in the initial adjustment of the TCR sensor /C (TCRS /C), TCRS/C detects a value lower than the prescribed one with the maximum control voltage.	• TCR sensor /C (TCRS / C) • Printer control board (PRCB)
	C-2444	While in the initial adjustment of the TCR sensor /K (TCRS /K), TCRS/K detects a value lower than the prescribed one with the maximum control voltage.	• TCR sensor /K (TCRS / K) • Printer control board (PRCB)
Main body: Toner low density abnormality	C-2451	When the developing motor /Y (M5) is ON, the maximum detection value of TCR sensor /Y (TCRS/ Y) is more than the specified value and the difference between the maximum detection value and the minimum detection value is less than the specified value.	• Developing motor /Y (M5) • TCR sensor /Y (TCRS / Y) • Printer control board (PRCB)
Main body: Toner low density abnormality	C-2452	When the developing motor /M (M6) is ON, the maximum detection value of TCR sensor /M (TCRS/ M) is more than the specified value and the difference between the maximum detection value and the minimum detection value is less than the specified value.	• Developing motor /M (M6) • TCR sensor /M (TCRS / M) • Printer control board (PRCB)
Main body: Toner low density abnormality	C-2453	When the developing motor /C (M7) is ON, the maximum detection value of TCR sensor /C (TCRS/ C) is more than the specified value and the difference between the maximum detection value and the minimum detection value is less than the specified value.	• Developing motor /C (M7) • TCR sensor /C (TCRS / C) • Printer control board (PRCB)
Main body: Toner low density abnormality	C-2454	When the developing motor /K (M8) is ON, the maximum detection value of TCR sensor /K (TCRS/ K) is more than the specified value and the difference between the maximum detection value and the minimum detection value is less than the specified value.	• Developing motor /K (M8) • TCR sensor /K (TCRS / K) • Printer control board (PRCB)
Main body: Charging corona connection abnormality, drum potential abnormality	C-2461	Charging corona /Y is not connected. Otherwise, drum potential sensor /Y (DPS/Y) detection value does not reach the specified value.	• Drum potential sensor /Y (DPS/Y) • Drum potential sensor board /Y (DPSB/Y) • Printer control board (PRCB) • Charging corona
Main body: Charging corona connection abnormality, drum potential abnormality	C-2462	Charging corona /M is not connected. Otherwise, drum potential sensor /M (DPS/M) detection value does not reach the specified value.	• Drum potential sensor / M (DPS/M) • Drum potential sensor board /M (DPSB/M) • Printer control board (PRCB) • Charging corona
	C-2463	Charging corona /C is not connected. Otherwise, drum potential sensor /C (DPS/C) detection value does not reach the specified value.	• Drum potential sensor / C (DPS/C) • Drum potential sensor board /C (DPSB/C) • Printer control board (PRCB) • Charging corona
	C-2464	Charging corona /K is not connected. Otherwise, drum potential sensor /K (DPS/K) detection value does not reach the specified value.	• Drum potential sensor /K (DPS/K) • Drum potential sensor board /K (DPSB/K) • Printer control board (PRCB) • Charging corona
Main body: Process unit mount connection abnormality	C-2470	Connector of the process mount is not connected.	Printer control board (PRCB)
Main body: TCR sensor initial adjustment abnormality (adjustment trouble)	C-2471	The result of TCR sensor / Y (TCRS/Y) initial adjustment has not reached the minimum value of the adjustment range.	• TCR sensor /Y (TCRS / Y) • Printer control board (PRCB)
Main body: TCR sensor initial adjustment abnormality (adjustment trouble)	C-2472	The result of TCR sensor / M (TCRS/M) initial adjustment has not reached the minimum value of the adjustment range.	• TCR sensor /M (TCRS / M) • Printer control board (PRCB)
Main body: TCR sensor initial adjustment abnormality (adjustment trouble)	C-2473	The result of TCR sensor / C (TCRS/C) initial adjustment has not reached the minimum value of the adjustment range.	• TCR sensor /C (TCRS / C) • Printer control board (PRCB)
Main body: TCR sensor initial adjustment abnormality (adjustment trouble)	C-2474	The result of TCR sensor / K (TCRS/K) initial adjustment has not reached the minimum value of the adjustment range.	• TCR sensor /K (TCRS/ K) (Wiring diagram: Main body (4/5): 15-G) • Printer control board (PRCB)
Main body: Charging corona (Y) abnormality	C-2701	An error detection signal of the charging corona /Y is detected continuously for a specified period of time while the charging corona / Y is ON.	• Charging corona /Y • High voltage unit /1-1 (HV/1-1) (Wiring diagram: Main body (4/5): 10-N) • Printer control board (PRCB)
Main body: Charging corona (M) abnormality	C-2702	An error detection signal of the charging corona /M is detected continuously for a specified period of time while the charging corona / M is ON.	• Charging corona /M • High voltage unit /1-1 (HV/1-1) • Printer control board (PRCB)
Main body: Charging corona (C) abnormality	C-2703	An error detection signal of the charging corona /C is detected continuously for a specified period of time while the charging corona / C is ON.	• Charger /C • High voltage unit /1-2 (HV/1-2) • Printer control board (PRCB)
Main body: Charging corona (K) abnormality	C-2704	An error detection signal of the charging corona /K is detected continuously for a specified period of time while the charging corona / K is ON.	• Charging corona /K • High voltage unit /1-2 (HV/1-2) • Printer control board (PRCB)
Main body: 1st transfer (Y) abnormality	C-2711	An error detection signal of the 1st transfer /Y is detected continuously for a specified period of time.	• High voltage unit /2 (HV/ 2) • Printer control board (PRCB)
Main body: 1st transfer (M) abnormality	C-2712	An error detection signal of the 1st transfer /M is detected continuously for a specified period of time.	• High voltage unit /2 (HV/ 2) • Printer control board (PRCB)
Main body: 1st transfer (C) abnormality	C-2713	An error detection signal of the 1st transfer /C is detected continuously for a specified period of time.	• High voltage unit /2 (HV/ 2) • Printer control board (PRCB)
Main body: 1st transfer (K) abnormality	C-2714	An error detection signal of the 1st transfer /K is detected continuously for a specified period of time.	• High voltage unit /2 (HV/ 2) • Printer control board (PRCB)
Main body: 2nd transfer abnormality	C-2720	An error detection signal of the 2nd transfer is detected continuously for a specified period of time.	• High voltage unit /2 (HV/ 2) • Printer control board (PRCB)
Main body: Separation abnormality	C-2721	An error detection signal of the separation charger is detected continuously for a specified period of time while the separation charger is ON.	• High voltage unit /4 (HV/ 4) • Printer control board (PRCB)
Main body: Post 1st transfer neutralizing abnormality	C-2731	An error detection signal of the separation charger is detected continuously for a specified period of time while the post 1st transfer neutralizing /Y is ON.	• High voltage unit /3 (HV/ 3) • Printer control board (PRCB)
Main body: Post 1st transfer neutralizing abnormality	C-2732	An error detection signal of the separation charger is detected continuously for a specified period of time while the post 1st transfer neutralizing /M is ON.	• High voltage unit /3 (HV/ 3) • Printer control board (PRCB)
Main body: Post 1st transfer neutralizing abnormality	C-2733	An error detection signal of the separation charger is detected continuously for a specified period of time while the post 1st transfer neutralizing /C is ON.	• High voltage unit /3 (HV/ 3) • Printer control board (PRCB)
Main body: Post 1st transfer neutralizing abnormality	C-2734	An error detection signal of the separation charger is detected continuously for a specified period of time while the post 1st transfer neutralizing /K is ON.	• High voltage unit /3 (HV/ 3) • Printer control board (PRCB)
Main body: ATVC feedback voltage abnormality	C-2740	The difference between the maximum detection value and the minimum detection value of the Y, M, C or K roller feedback voltage is over the specified value.	• High voltage unit /2 (HV/ 2) • Printer control board (PRCB)
Main body: ATVC sampling voltage abnormality (Y)	C-2741	The difference between the maximum detection value and the minimum detection value of any of 8 sampling voltages is over the specified value.	• High voltage unit /2 (HV/ 2) • Printer control board (PRCB)
Main body: ATVC sampling voltage abnormality (M)	C-2742	The difference between the maximum detection value and the minimum detection value of any of 8 sampling voltages is over the specified value.	• High voltage unit /2 (HV/ 2) • Printer control board (PRCB)
Main body: ATVC sampling voltage abnormality (C)	C-2743	The difference between the maximum detection value and the minimum detection value of any of 8 sampling voltages is over the specified value.	• High voltage unit /2 (HV/ 2) • Printer control board (PRCB)
Main body: ATVC sampling voltage abnormality (K)	C-2744	The difference between the maximum detection value and the minimum detection value of any of 8 sampling voltages is over the specified value.	• High voltage unit /2 (HV/ 2) • Printer control board (PRCB)
Main body: ATVC feedback voltage detection range abnormality	C-2751	The ATVC feedback voltage detection range /Y is not within the specified range.	• High voltage unit /2 (HV/ 2) • Printer control board (PRCB)
Main body: ATVC feedback voltage detection range abnormality	C-2752	The ATVC feedback voltage detection range /M is not within the specified range.	• High voltage unit /2 (HV/ 2) • Printer control board (PRCB)
Main body: ATVC feedback voltage detection range abnormality	C-2753	The ATVC feedback voltage detection range /C is not within the specified range.	• High voltage unit /2 (HV/ 2) • Printer control board (PRCB)
Main body: ATVC feedback voltage detection range abnormality	C-2754	The ATVC feedback voltage detection range /K is not within the specified range.	• High voltage unit /2 (HV/ 2) • Printer control board (PRCB)
Main body: Dmax correction abnormality	C-2801	Dmax correction /Y has terminated abnormally. (patch detection abnormality 1)	• High voltage unit /1-1 (HV/1-1), /2 (HV/1-2) • Printer control board (PRCB) • IDC sensor /Fr (IDCS/ 1), /Rr (IDCS/2) • Developing unit
Main body: Dmax correction abnormality	C-2802	Dmax correction /M has terminated abnormally. (patch detection abnormality 1)	• High voltage unit /1-1 (HV/1-1), /2 (HV/1-2) • Printer control board (PRCB) • IDC sensor /Fr (IDCS/ 1), /Rr (IDCS/2) • Color registration shutter solenoid /1 (SD8), /2 (SD9) • Developing unit
Main body: Dmax correction abnormality	C-2803	Dmax correction /C has terminated abnormally. (patch detection abnormality 1)	• High voltage unit /1-1 (HV/1-1), /2 (HV/1-2) • Printer control board (PRCB) • IDC sensor /Fr (IDCS/ 1), /Rr (IDCS/2) • Color registration shutter solenoid /1 (SD8), /2 (SD9) • Developing unit
Main body: Dmax correction abnormality	C-2804	Dmax correction /K has terminated abnormally.	• High voltage unit /1-1 (HV/1-1), /2 (HV/1-2) • Printer control board (PRCB) • IDC sensor /Fr (IDCS/ 1), /Rr (IDCS/2) • Color registration shutter solenoid /1 (SD8), /2 (SD9) • Developing unit
Main body: Surface potential abnormality	C-2811	The drum surface potential /Y is out of the specified range while in the charging potential control.	• Printer control board (PRCB) • Drum potential sensor /Y (DPS/Y) • Drum potential sensor board /Y (DPSB/Y)
Main body: Surface potential abnormality	C-2812	The drum surface potential /M is out of the specified range while in the charging potential control.	• Printer control board (PRCB) • Drum potential sensor / M (DPS/M) • Drum potential sensor board /M (DPSB/M)
	C-2813	The drum surface potential /C is out of the specified range while in the charging potential control.	• Printer control board (PRCB) • Drum potential sensor / C (DPS/C) • Drum potential sensor board /C (DPSB/C)
	C-2814	The drum surface potential /K is out of the specified range while in the charging potential control.	• Printer control board (PRCB) • Drum potential sensor /K (DPS/K) • Drum potential sensor board /K (DPSB/K)
Main body: Potential correction Vh abnormality	C-2821	Charging potential Vh /Y has terminated abnormally.	• Printer control board (PRCB) • Drum potential sensor /Y (DPS/Y) • Drum potential sensor board /Y (DPSB/Y) • Erase lamp /Y (EL/Y)
Main body: Potential correction Vh abnormality	C-2822	Charging potential Vh /M has terminated abnormally.	• Printer control board (PRCB) • Drum potential sensor / M (DPS/M) • Drum potential sensor board /M (DPSB/M) • Erase lamp /M (EL/M)
Main body: Potential correction Vh abnormality	C-2823	Charging potential Vh /C has terminated abnormally.	• Printer control board (PRCB) • Drum potential sensor / C (DPS/C) • Drum potential sensor board /C (DPSB/C) • Erase lamp /C (EL/C)
Main body: Potential correction Vh abnormality	C-2824	Charging potential Vh /K has terminated abnormally.	• Printer control board (PRCB) • Drum potential sensor /K (DPS/K) • Drum potential sensor board /K (DPSB/K) • Erase lamp /K (EL/K)
Main body: MPC correction abnormality	C-2831	MPC correction /Y has terminated abnormally.	• Writing unit /Y • Printer image processing board (PRIPB)
Main body: MPC correction abnormality	C-2832	MPC correction /M has terminated abnormally.	• Writing unit /M • Printer image processing board (PRIPB)
Main body: MPC correction abnormality	C-2833	MPC correction /C has terminated abnormally.	• Writing unit /C • Printer image processing board (PRIPB)
Main body: MPC correction abnormality	C-2834	MPC correction /K has terminated abnormally	• Writing unit /K • Printer image processing board (PRIPB) • IDC sensor /Rr (IDCS/2)
Main body: Dmax base line correction abnormality	C-2840	When the Dmax load value is not within the permissible range even the Dmax control voltage is changed several times, it is detected as the Dmax base line correction error.	• Printer image processing board (PRIPB) • High voltage unit /1-1 (HV/1-1), /2 (HV/1-2) • IDC sensor /Fr (IDCS/ 1), /Rr (IDCS/2)
Main body:	C-2841		• Printer control board (PRCB) • IDC sensor /Fr (IDCS/ 1), /Rr (IDCS/2) • Color registration shutter solenoid /1 (SD8), /2 (SD9)
Main body: Dmax correction abnormality	C-2851	Dmax correction /Y has terminated abnormally. (patch detection abnormality 2)	• High voltage unit /1-1 (HV/1-1), /2 (HV/1-2) • Printer control board (PRCB) • IDC sensor /Fr (IDCS/ 1), /Rr (IDCS/2) • Color registration shutter solenoid /1 (SD8), /2 (SD9)
Main body: Dmax correction abnormality	C-2852	Dmax correction /M has terminated abnormally. (patch detection abnormality 2)	• High voltage unit /1-1 (HV/1-1), /2 (HV/1-2) • Printer control board (PRCB) • IDC sensor /Fr (IDCS/ 1), /Rr (IDCS/2) • Color registration shutter solenoid /1 (SD8), /2 (SD9)
Main body: Dmax correction abnormality	C-2853	Dmax correction /C has terminated abnormally. (patch detection abnormality 2)	• High voltage unit /1-1 (HV/1-1), /2 (HV/1-2) • Printer control board (PRCB) • IDC sensor /Fr (IDCS/ 1), /Rr (IDCS/2) • Color registration shutter solenoid /1 (SD8), /2 (SD9)
Main body: Dmax correction abnormality	C-2861	Dmax correction /Y has terminated abnormally. (patch detection abnormality 3)	• Printer control board (PRCB) • IDC sensor /Fr (IDCS/ 1), /Rr (IDCS/2) • Color registration shutter solenoid /1 (SD8), /2 (SD9)
Main body: Dmax correction abnormality	C-2862	Dmax correction /M has terminated abnormally. (patch detection abnormality 3)	• Printer control board (PRCB) • IDC sensor /Fr (IDCS/ 1), /Rr (IDCS/2) • Color registration shutter solenoid /1 (SD8), /2 (SD9)
Main body: Dmax correction abnormality	C-2863	Dmax correction /C has terminated abnormally. (patch detection abnormality 3)	• Printer control board (PRCB) • IDC sensor /Fr (IDCS/ 1), /Rr (IDCS/2) • Color registration shutter solenoid /1 (SD8), /2 (SD9)
Main body: Dmax correction abnormality	C-2871	Dmax correction /Y has terminated abnormally. (patch detection abnormality 4) It has not terminated even when repeated several times.	• Printer control board (PRCB) • IDC sensor /Fr (IDCS/ 1), /Rr (IDCS/2) • Developing unit
Main body: Dmax correction abnormality	C-2872	Dmax correction /M has terminated abnormally. (patch detection abnormality 4) It has not terminated even when repeated several times.	• Printer control board (PRCB) • IDC sensor /Fr (IDCS/ 1), /Rr (IDCS/2) • Developing unit
Main body: Dmax correction abnormality	C-2873	Dmax correction /C has terminated abnormally. (patch detection abnormality 4) It has not terminated even when repeated several times.	• Printer control board (PRCB) • IDC sensor /Fr (IDCS/ 1), /Rr (IDCS/2) • Developing unit
Main body: Paper interval Dmax correction abnormality	C-2881	Paper interval Dmax correction /Y has terminated abnormally.	• High voltage unit /1-1 (HV/1-1), /2 (HV/1-2) • Printer control board (PRCB) • IDC sensor /Fr (IDCS/ 1), /Rr (IDCS/2) • Color registration shutter solenoid /1 (SD8), /2 (SD9)
Main body: Paper interval Dmax correction abnormality	C-2882	Paper interval Dmax correction /M has terminated abnormally.	• High voltage unit /1-1 (HV/1-1), /2 (HV/1-2) • Printer control board (PRCB) • IDC sensor /Fr (IDCS/ 1), /Rr (IDCS/2) • Color registration shutter solenoid /1 (SD8), /2 (SD9)
Main body: Paper interval Dmax correction abnormality	C-2883	Paper interval Dmax correction /C has terminated abnormally.	• High voltage unit /1-1 (HV/1-1), /2 (HV/1-2) • Printer control board (PRCB) • IDC sensor /Fr (IDCS/ 1), /Rr (IDCS/2) • Color registration shutter solenoid /1 (SD8), /2 (SD9)
Main body: Paper interval Dmax correction abnormality	C-2884	Paper interval Dmax correction /K has terminated abnormally.	• High voltage unit /1-1 (HV/1-1), /2 (HV/1-2) • Printer control board (PRCB) • IDC sensor /Fr (IDCS/ 1), /Rr (IDCS/2) • Color registration shutter solenoid /1 (SD8), /2 (SD9)
Main body: Paper interval MPC correction abnormality	C-2891	Paper interval MPC correction /Y has terminated abnormally.	• Writing unit /Y • Printer image processing board (PRIPB)
Main body: Paper interval MPC correction abnormality	C-2892	Paper interval MPC correction /M has terminated abnormally.	• Writing unit /M • Printer image processing board (PRIPB)
Main body: Paper interval MPC correction abnormality	C-2893	Paper interval MPC correction /C has terminated abnormally.	• Writing unit /C • Printer image processing board (PRIPB)
Main body: Paper interval MPC correction abnormality	C-2894	Paper interval MPC correction /K has terminated abnormally.	• Writing unit /K • Printer image processing board (PRIPB) • IDC sensor /Rr (IDCS/2)
Main body: Fusing motor abnormality	C-3101	An error detection signal of M48 is detected continuously for a specified period of time while the fusing motor (M48) is ON.	• Printer control board (PRCB) • Fusing motor (M48) • DC power supply /3 (DCPS/3)
Main body: Fusing belt /Lw pressure release motor	C-3102	The press or release operation of the fusing belt /Lw pressure release motor (M49) does not completes within 10 seconds.	• Conveyance drive board (CDB) • Fusing belt /Lw pressure release motor (M49) • Fusing belt /Lw pressure release home sensor /1 (PS58) • Fusing belt /Lw pressure release home sensor /2 (PS59) • DC power supply /2 (DCPS/2)
Main body: 2nd transfer pressure release motor abnormality	C-3103	The 2nd transfer pressure release motor (M41) does not complete the pressure release or release operation within a specified period of time after it turns ON.	• Conveyance drive board (CDB) • 2nd transfer pressure release motor (M41) • 2nd transfer home sensor (PS53) • DC power supply /2 (DCPS/2)
Main body: Fusing belt /Lw edge abnormal sensor abnormality	C-3104	An error detection signal is detected while the fusing belt /Lw edge abnormal sensor (PS67) is ON.	• Conveyance drive board (CDB) • Fusing belt /Lw edge abnormal sensor (PS67) • Fusing belt /Lw • Fusing swing shaft assy
Main body: Fusing external heating belt pressure release motor abnormality	C-3105	The pressure or the release does not finish within a specified period of time after the fusing external heating belt pressure release motor (M53) turns ON.	• Conveyance drive board (CDB) • Fusing external heating belt pressure release motor (M53) • Fusing external heating belt pressure release home sensor (PS57) • DC power supply /2 (DCPS/2)
Main body: Fusing unit set abnormality	C-3106	The fusing unit is not set.	Printer control board (PRCB)
Main body: Fusing refreshing roller pressure release motor abnormality	C-3107	The pressure or the release does not finish within a specified period of time after the fusing refreshing roller pressure release motor (M55) turns ON.	• Conveyance drive board (CDB) • Fusing refreshing roller pressure release motor (M55) • Fusing refreshing roller pressure release home sensor (PS56) • DC power supply /2 (DCPS/2)
Main body: Fusing belt /Lw release time motor abnormality	C-3108	An error detection signal of M50 is detected continuously for a specified period of time while the fusing belt /Lw release time motor (M50) is ON.	• Conveyance drive board (CDB) • Fusing belt /Lw release time motor (M50) • DC power supply /4 (DCPS/4)
Main body: Fusing refresh roller motor abnormality	C-3109	An error detection signal of M51 is detected continuously for a specified period of time while the fusing refresh roller motor (M51) is ON.	• Conveyance drive board (CDB) • Fusing refresh roller motor (M51) • DC power supply /4 (DCPS/4)
Main body: Fusing belt /Lw steering initial operation abnormality	C-3110	The steering initial operation of the fusing belt /Lw does not finish within a specified period of time.	• Conveyance drive board (CDB) • DC power supply /2 (DCPS/2) • Fusing belt /Lw steering motor (M54)
Main body: Fusing web motor drive circuit power abnormality	C-3111	An error detection signal is detected while the fusing web motor (M52) drive circuit power is ON.	• Conveyance drive board (CDB) • DC power supply /2 (DCPS/2) • Fusing web motor (M52)
EF: Fusing pressure motor abnormality	C-3150	The operation of the fusing pressure motor (M6) does not complete within a specified period of time while applying or releasing pressure on the EF fusing belt unit /Lw.	• EF control board (EFCB) • Fusing pressure motor (M6) • Fusing pressure release sensor /1 (PS16) • Fusing pressure release sensor /2 (PS17)
EF: Fusing motor abnormality	C-3151	An error detection signal is detected continuously for a specified period of time while the fusing motor (M5) is ON.	• EF control board (EFCB) • Fusing motor (M5)
EF: Fusing pressure motor abnormality	C-3152	An error detection signal is detected continuously for a specified period of time while the fusing pressure motor (M6) is ON.	• EF control board (EFCB) • Fusing pressure motor (M6)
EF: Fusing mount set abnormality	C-3153	The mount is not set.	Overall control board (OACB)
EF: Fusing swing home sensor operation non-completion	C-3154	The EF fusing swing home sensor (PS5) does not turn OFF within a specified period of time after it turns ON.	• EF control board (EFCB) • Fusing swing motor (M4) • Fusing swing home sensor (PS5)
Main body: Fusing belt cooling fan (center) abnormality	C-3302	An error detection signal of FM44 is detected continuously for a specified period of time while the fusing belt cooling fan /Md (FM44) is ON. An error detection signal is detected continuously while retrying power feed several times.	• Conveyance drive board (CDB) • Fusing belt cooling fan / Md (FM44)
Main body: Fusing belt cooling fan (edge) abnormality	C-3303	An error detection signal of eitherFM43 or FM45 is detected continuously for a specified period of time while the fusing belt cooling fans /Fr (FM43) and /Rr (FM45) are ON. An error detection signal is detected continuously while retrying power feed several times.	• Conveyance drive board (CDB) • Fusing belt cooling fan / Fr (FM43) • Fusing belt cooling fan / Rr (FM45)
Main body: fusing thermal insulation fan abnormality	C-3304	An error detection signal of either FM22 or FM23 is detected continuously for a specified period of time while the fusing thermal insulation fans /Fr (FM22) and /Rr (FM23) are ON. An error detection signal is detected continuously while retrying power feed several times.	• Printer control board (PRCB) • Fusing thermal insulation fan /Fr (FM22) • Fusing thermal insulation fan /Rr (FM23)
Main body: Dew condensation prevention fan	C-3305	An error detection signal of FM18 is detected continuously for a specified period of time while the dew condensation prevention fan (FM18) is ON. An error detection signal is detected continuously while retrying power feed several times.	• Printer control board (PRCB) • Dew condensation prevention fan (FM18)
Main body: Prefusing suction fan abnormality	C-3306	An error detection signal of any of FM40, FM41 or FM42 is detected continuously for a specified period of time while the pre-fusing suction fans /Fr (FM40), / Md (FM41) and /Rr (FM42) are ON. An error detection signal is detected continuously while retrying power feed several times.	• Conveyance drive board (CDB) • Pre-fusing suction fan / Fr (FM40) • Pre-fusing suction fan / Md (FM41) • Pre-fusing suction fan / Rr (FM42)
EF: Entrance cooling fan abnormality	C-3311	An error detection signal of any of FM3, FM4 or FM5 is detected continuously for a specified period of time while the entrance cooling fans /Fr (FM3), /Md (FM4) and /Rr (FM5) are ON. An error detection signal is detected continuously while retrying power feed several times.	• EF control board (EFCB) • Entrance cooling fan /Fr (FM3) • Entrance cooling fan / Md (FM4) • Entrance cooling fan /Rr (FM5)
EF: Paper exit cooling fan /Up abnormality	C-3312	An error detection signal of any of FM6, FM7 or FM8 is detected continuously for a specified period of time while the paper exit cooling fan /Up1 (FM6), / Up2 (FM7) and /Up3 (FM8) are ON. An error detection signal is detected continuously while retrying power feed several times.	• EF control board (EFCB) • Paper exit cooling fan / Up1 (FM6) • Paper exit cooling fan / Up2 (FM7) • Paper exit cooling fan / Up3 (FM8)
EF: Paper exit cooling fan /Lw abnormality	C-3313	An error detection signal of any of FM9, FM10 or FM11 is detected continuously for a specified period of time while the EF paper exit cooling fans /Lw1 (FM9), / Lw2 (FM10) and /Lw3 (FM11) are ON. An error detection signal is detected continuously while retrying power feed several times.	• EF control board (EFCB) • Paper exit cooling fan / Lw1 (FM9) • Paper exit cooling fan / Lw2 (FM10) • Paper exit cooling fan / Lw3 (FM11)
EF: Main body ventilation fan abnormality	C-3314	An error detection signal of FM1 or FM2 is detected while the EF ventilation fans /Rt (FM1) and /Lt (FM2) are ON. An error detection signal is detected continuously while retrying power feed several times.	• EF control board (EFCB) • Ventilation fan /Rt (FM11) • Ventilation fan /Lt (FM2)
EF: Fusing cooling fan abnormality	C-3315	An error detection signal of FM21 is detected continuously for a specified period of time while the EF fusing cooling fan (FM21) is ON. An error detection signal is detected continuously while retrying power feed several times.	• EF control board (EFCB) • Fusing cooling fan (FM21)
Main body: Fusing high temperature abnormality	C-3501	Fusing high temperature abnormality The fusing temperature sensor /1 (TH1) detects 235 °C or higher value continuously for a specified period of time.	• Printer control board (PRCB) • Fusing temperature sensor /1 (TH1) • AC drive board /1 (ACDB/1) • AC drive board /2 (ACDB/2)
Main body: Fusing high temperature abnormality	C-3502	Fusing compensation high temperature abnormality The fusing temperature sensor /1 (TH1) detects 143 °C or higher value continuously for a specified period of time.	• Printer control board (PRCB) • Fusing temperature sensor /1 (TH1) • AC drive board /1 (ACDB/1) • AC drive board /2 (ACDB/2)
Main body: Fusing high temperature abnormality	C-3503	Fusing high temperature abnormality The fusing temperature sensor /2 (TH2) detects 235 °C or higher value continuously for a specified period of time.	• Printer control board (PRCB) • Fusing temperature sensor /2 (TH2) • AC drive board /1 (ACDB/1) • AC drive board /2 (ACDB/2)
Main body: Fusing high temperature abnormality	C-3504	Fusing compensation high temperature abnormality The fusing temperature sensor /2 (TH2) detects 143 °C or higher value continuously for a specified period of time.	• Printer control board (PRCB) • Fusing temperature sensor /2 (TH2) • AC drive board /1 (ACDB/1) • AC drive board /2 (ACDB/2)
Main body: Fusing high temperature abnormality	C-3505	Contact sensor high temperature abnormality The fusing temperature sensor /6 (TH6) detects 230 °C or higher value continuously for a specified period of time.	• Printer control board (PRCB) • Fusing temperature sensor /6 (TH6) • AC drive board /1 (ACDB/1) • AC drive board /2 (ACDB/2)
Main body: Fusing high temperature abnormality	C-3506	Fusing high temperature abnormality The fusing temperature sensor /3 (TH3) detects 235 °C or higher value continuously for a specified period of time.	• Printer control board (PRCB) • Fusing temperature sensor /3 (TH3) • AC drive board /1 (ACDB/1) • AC drive board /2 (ACDB/2)
Main body: Fusing high temperature abnormality	C-3507	Fusing compensation high temperature abnormality The fusing temperature sensor /3 (TH3) detects 143 °C or higher value continuously for a specified period of time.	• Printer control board (PRCB) • Fusing temperature sensor /3 (TH3) • AC drive board /1 (ACDB/1) • AC drive board /2 (ACDB/2)
Main body: Fusing high temperature abnormality	C-3508	Contact sensor high temperature abnormality The fusing temperature sensor /7 (TH7) detects 230 °C or higher value continuously for a specified period of time.	• Printer control board (PRCB) • Fusing temperature sensor /7 (TH7) • AC drive board /1 (ACDB/1) • AC drive board /2 (ACDB/2)
Main body: Fusing high temperature abnormality	C-3509	Fusing high temperature abnormality The fusing temperature sensor /4 (TH4) detects 235 °C or higher value continuously for a specified period of time.	• Printer control board (PRCB) • Fusing temperature sensor /4 (TH4) • AC drive board /1 (ACDB/1) • AC drive board /2 (ACDB/2)
	C-3510	Fusing external heating center compensation high temperature abnormality The fusing temperature sensor /4 (TH4) detects 143 °C or higher value continuously for a specified period of time.	• Printer control board (PRCB) • Fusing temperature sensor /4 (TH4) • AC drive board /1 (ACDB/1) • AC drive board /2 (ACDB/2)
	C-3511	Fusing high temperature abnormality The fusing temperature sensor /5 (TH5) detects 235 °C or higher value continuously for a specified period of time.	• Printer control board (PRCB) • Fusing temperature sensor /5 (TH5) • AC drive board /1 (ACDB/1) • AC drive board /2 (ACDB/2)
	C-3512	Fusing compensation high temperature abnormality The fusing temperature sensor /5 (TH5) detects 143 °C or higher value continuously for a specified period of time.	• Printer control board (PRCB) • Fusing temperature sensor /5 (TH5) • AC drive board /1 (ACDB/1) • AC drive board /2 (ACDB/2)
	C-3513	Contact sensor high temperature abnormality The fusing temperature sensor /8 (TH8) detects 230 °C or higher value continuously for a specified period of time.	• Printer control board (PRCB) • Fusing temperature sensor /8 (TH8) • AC drive board /1 (ACDB/1) • AC drive board /2 (ACDB/2)
Main body: Fusing roller paper winding abnormality	C-3520	Paper is wound around the fusing roller. J-3102 occurs a specified number of times in succession.	• Conveyance drive board (CDB) • Fusing paper exit sensor (PS61)
EF: Fusing temperature sensor /1 high temperature abnormality	C-3550	EF high temperature abnormality The fusing temperature sensor /1 (TH1) detects 235 °C or higher value continuously for a specified period of time.	• EF control board (EFCB) • AC drive board (ACDB) • Fusing temperature sensor /1 (TH1)
EF: Fusing temperature sensor /3 high temperature abnormality	C-3552	EF high temperature abnormality The fusing temperature sensor /3 (TH3) detects 235 °C or higher value continuously for a specified period of time.	• EF control board (EFCB) • AC drive board (ACDB) • Fusing temperature sensor /3 (TH3)
EF: Fusing temperature sensor /4 high temperature abnormality	C-3553	EF high temperature abnormality The fusing temperature sensor /4 (TH4) detects 235 °C or higher value continuously for a specified period of time.	• EF control board (EFCB) • AC drive board (ACDB) • Fusing temperature sensor /4 (TH4)
EF: Fusing temperature sensor /6 high temperature abnormality	C-3555	EF high temperature abnormality The fusing temperature sensor /6 (TH6) detects 235 °C or higher value continuously for a specified period of time.	• EF control board (EFCB) • AC drive board (ACDB) • Fusing temperature sensor /6 (TH6)
EF: Fusing temperature sensor /1 (compensation) high temperature abnormality	C-3556	EF high temperature abnormality The fusing temperature sensor /1 (TH1) detects 143 °C or higher value continuously for a specified period of time.	• EF control board (EFCB) • AC drive board (ACDB) • Fusing temperature sensor /1 (TH1)
EF: Fusing temperature sensor /4 (compensation) high temperature abnormality	C-3558	EF high temperature abnormality The fusing temperature sensor /4 (TH4) detects 143 °C or higher value continuously for a specified period of time.	• EF control board (EFCB) • AC drive board (ACDB) • Fusing temperature sensor /4 (TH4)
EF: Fusing temperature sensors/1 (TH1) and /3 (TH3) high temperature abnormality	C-3560	EF high temperature abnormality While in standby, the fusing temperature sensor /3 (TH3) detects 25 °C or higher value than the fusing temperature sensor /1 (TH1) continuously for a specified period of time.	• AC drive board (ACDB) • EF control board (EFCB) • Fusing temperature sensor /1 (TH1) • Fusing temperature sensor /3 (TH3)
EF: Fusing temperature sensors /4 (TH4) and /6 (TH6) high temperature abnormality	C-3561	EF high temperature abnormality While in standby, the fusing temperature sensor /6 (TH6) detects 25 °C or higher value than the fusing temperature sensor /4 (TH4) continuously for a specified period of time.	• AC drive board (ACDB) • EF control board (EFCB) • Fusing temperature sensor /4 (TH4) • Fusing temperature sensor /6 (TH6)
EF: Fusing belt paper winding abnormality	C-3570	Paper is wound around the fusing belt. J-3121 occurs a specified number of times in succession.	• EF control board (EFCB) • Fusing exit sensor (PS15)
Main body: Fusing temperature sensor /1 low temperature abnormality	C-3801	Fusing low temperature abnormality. The fusing temperature sensor /1 (TH1) detects a temperature 50 °C or more lower than the prescribed value continuously for a specified period of time.	• Printer control board (PRCB) • AC drive board /1 (ACDB/1) • AC drive board /2 (ACDB/2) • Fusing heater/1 • Fusing temperature sensor /1 (TH1) • Main relay (RL1) • Thermostat /1 (TS1) • Thermostat /2 (TS2)
Main body: fusing temperature sensor /2 low temperature abnormality	C-3802	Fusing low temperature abnormality. The fusing temperature sensor /2 (TH2) detects a temperature 50 °C or more lower than the prescribed value continuously for a specified period of time.	• Printer control board (PRCB) • AC drive board /1 (ACDB/1) • AC drive board /2 (ACDB/2) • Fusing heater/1 • Fusing temperature sensor /2 (TH2) • Main relay (RL1) • Thermostat /1 (TS1) • Thermostat /2 (TS2)
Main body: Fusing temperature sensor /3 low temperature abnormality	C-3803	Fusing low temperature abnormality. The fusing temperature sensor /3 (TH3) detects a temperature 50 °C or more lower than the prescribed value continuously for a specified period of time.	• Printer control board (PRCB) • AC drive board /1 (ACDB/1) • AC drive board /2 (ACDB/2) • Fusing heater/4 • Fusing temperature sensor /3 (TH3) • Main relay (RL1) • Thermostat /3 (TS3)
Main body: Fusing temperature sensor /4 low temperature abnormality	C-3804	Fusing low temperature abnormality. The fusing temperature sensor /4 (TH4) detects a temperature 50 °C or more lower than the prescribed value continuously for a specified period of time.	• Printer control board (PRCB) • AC drive board /1 (ACDB/1) • AC drive board /2 (ACDB/2) • Fusing heater/5 • Fusing temperature sensor /4 (TH4) • Main relay (RL1) • Thermostat /4 (TS4)
Main body: Fusing temperature sensor /5 low temperature abnormality	C-3805	Fusing low temperature abnormality. The fusing temperature sensor /5 (TH5) detects a temperature 50 °C or more lower than the prescribed value continuously for a specified period of time	• Printer control board (PRCB) • AC drive board /1 (ACDB/1) • AC drive board /2 (ACDB/2) • Fusing heater/5 • Fusing temperature sensor /5 (TH5) • Main relay (RL1) • Thermostat /4 (TS4) • Thermostat /5 (TS5)
EF: Fusing temperature sensor /1 low temperature abnormality	C-3850	EF low temperature abnormality When the fusing power feed is available, the fusing temperature sensor /1 (TH1) detects a temperature 50 °C or more lower than the prescribed value.	• EF control board (EFCB) • AC drive board (ACDB) • 2nd Fusing Lamp(Top) • Fusing temperature sensor /1 (TH1) • Main relay (RL2) • Thermostat /1 (TS1) • Thermostat /2 (TS2)
EF: Fusing temperature sensor /3 low temperature abnormality	C-3852	Fusing low temperature abnormality. The fusing temperature sensor /3 (TH3) detects a temperature 50 °C or more lower than the prescribed value continuously for a specified period of time.	• EF control board (EFCB) • AC drive board (ACDB) • 2nd Fusing Lamp(Top) • Fusing temperature sensor /3 (TH3) • Thermostat /1 (TS1) • Thermostat /2 (TS2)
EF: Fusing temperature sensor /4 low temperature abnormality	C-3853	Fusing low temperature abnormality. The fusing temperature sensor /4 (TH4) detects a temperature 50 °C or more lower than the prescribed value continuously for a specified period of time.	• EF control board (EFCB) • AC drive board (ACDB) • 2nd Fusing Lamp(Top) • Fusing temperature sensor /4 (TH4) • Thermostat /3 (TS3) • Thermostat /4 (TS4)
EF: Unmounted part malfunction code	C-3854	Internal data error Malfunction code of the unmounted part is detected.
EF: Fusing temperature sensor /6 low temperature abnormality	C-3855	Fusing low temperature abnormality. The fusing temperature sensor /6 (TH6) detects a temperature 50 °C or more lower than the prescribed value continuously for a specified period of time.	• EF control board (EFCB) • AC drive board (ACDB) • 2nd Fusing Lamp(Top) • Fusing temperature sensor /6 (TH6) • Thermostat /3 (TS3) • Thermostat /4 (TS4)
EF: Fusing temperature sensor /1 low temperature abnormality	C-3850	EF low temperature abnormality The fusing temperature sensor /1 (TH1) detects a temperature lower than the prescribed value continuously for a specified period of time.	• EF control board (EFCB) • AC drive board (ACDB) • 2nd Fusing Lamp(Top) • Fusing temperature sensor /1 (TH1) • Main relay (RL2) • Thermostat /1 (TS1) • Thermostat /2 (TS2)
EF: Fusing temperature sensor /3 low temperature abnormality	C-3852	Fusing low temperature abnormality. The fusing temperature sensor /3 (TH3) detects a temperature lower than the prescribed value continuously for a specified period of time.	• EF control board (EFCB) • AC drive board (ACDB) • 2nd Fusing Lamp(Top) • Fusing temperature sensor /3 (TH3) • Thermostat /1 (TS1) • Thermostat /2 (TS2)
EF: Fusing temperature sensor /4 low temperature abnormality	C-3853	Fusing low temperature abnormality. The fusing temperature sensor /4 (TH4) detects a temperature lower than the prescribed value continuously for a specified period of time.	• EF control board (EFCB) • AC drive board (ACDB) • 2nd Fusing Lamp(Top) • Fusing temperature sensor /4 (TH4) • Thermostat /3 (TS3) • Thermostat /4 (TS4)
EF: Fusing temperature sensor /6 low temperature abnormality	C-3855	Fusing low temperature abnormality. The fusing temperature sensor /6 (TH6) detects a temperature lower than the prescribed value continuously for a specified period of time.	• EF control board (EFCB) • AC drive board (ACDB) • 2nd Fusing Lamp(Top) • Fusing temperature sensor /6 (TH6) • Thermostat /3 (TS3) • Thermostat /4 (TS4)
Main body: Fusing temperature sensor /1 high temperature hardware detection abnormality	C-3901	Fusing high temperature abnormality (hardware detection). The fusing temperature sensor /1 (TH1) detects an error detection signal continuously for a specified period of time.	• Printer control board (PRCB) • Fusing temperature sensor /1 (TH1)
Main body: Fusing temperature sensor /1 low temperature hardware detection abnormality	C-3902	Fusing low temperature abnormality (hardware detection). The fusing temperature sensor /1 (TH1) detects an error detection signal continuously for a specified period of time.	• Printer control board (PRCB) • Fusing temperature sensor /1 (TH1)
Main body: Fusing temperature sensor /1 abnormality	C-3903	After the warm-up is started, temperature detected by the fusing temperature sensor /1 (TH1) has not risen to 100 °C within a specified period of time.Or, the warm-up of the main body fixture is not completed within a specified period of time.	• Printer control board (PRCB) • AC drive board /1 (ACDB/1) • AC drive board /2 (ACDB/2) • Fusing heater/1 • Fusing temperature sensor /1 (TH1) • Main relay (RL1) • Thermostat /1 (TS1) • Thermostat /2 (TS2)
Main body: Fusing temperature sensor /2 high temperature hardware detection abnormality	C-3904	Fusing high temperature abnormality (hardware detection). The fusing temperature sensor /2 (TH2) detects an error detection signal continuously for a specified period of time.	• Printer control board (PRCB) • Fusing temperature sensor /2 (TH2)
Main body: Fusing temperature sensor /2 low temperature hardware detection abnormality	C-3905	Fusing low temperature abnormality (hardware detection). The fusing temperature sensor /2 (TH2) detects an error detection signal continuously for a specified period of time.	• Printer control board (PRCB) • AC drive board /1 (ACDB/1) • Fusing temperature sensor /2 (TH2)
Main body: Fusing temperature sensor /2 abnormality	C-3906	After the warm-up is started, temperature detected by the fusing temperature sensor /2 (TH2) has not risen to 100 °C within a specified period of time.	• Printer control board (PRCB) • AC drive board /1 (ACDB/1) • AC drive board /2 (ACDB/2) • Fusing heater/1 • Fusing temperature sensor /2 (TH2) • Main relay (RL1) • Thermostat /1 (TS1) • Thermostat /2 (TS2)
Main body: Fusing temperature sensor /6 high temperature hardware detection abnormality	C-3907	Fusing high temperature abnormality (hardware detection). The fusing temperature sensor /6 (TH6) detects an error detection signal continuously for a specified period of time.	• Printer control board (PRCB) • Fusing temperature sensor /6 (TH6)
Main body: Fusing temperature sensor /6 low temperature hardware detection abnormality	C-3908	Fusing low temperature abnormality (hardware detection). The fusing temperature sensor /6 (TH6) detects an error detection signal continuously for a specified period of time.	• Printer control board (PRCB) • Fusing temperature sensor /6 (TH6)
Main body: Fusing temperature sensor /3 high temperature hardware detection abnormality	C-3909	Fusing high temperature abnormality (hardware detection). The fusing temperature sensor /3 (TH3) detects an error detection signal continuously for a specified period of time.	• Printer control board (PRCB) • Fusing temperature sensor /3 (TH3)
Main body: Fusing temperature sensor /3 low temperature hardware detection abnormality	C-3910	Fusing low temperature abnormality (hardware detection). The fusing temperature sensor /3 (TH3) detects an error detection signal continuously for a specified period of time.	• Printer control board (PRCB) • Fusing temperature sensor /3 (TH3)
Main body: Fusing temperature sensor /3 abnormality	C-3911	After the warm-up is started, temperature detected by the fusing temperature sensor /3 (TH3) has not risen to 70 °C within a specified period of time.	• Printer control board (PRCB) • AC drive board /1 (ACDB/1) • AC drive board /2 (ACDB/2) • Fusing heater/4 • Fusing temperature sensor /3 (TH3) • Main relay (RL1) • Thermostat /3 (TS3)
Main body: Fusing temperature sensor /7 high temperature hardware detection abnormality	C-3912	Fusing high temperature abnormality (hardware detection). The fusing temperature sensor /7 (TH7) detects an error detection signal continuously for a specified period of time.	• Printer control board (PRCB) • Fusing temperature sensor /7 (TH7)
Main body: Fusing temperature sensor /7 low temperature hardware detection abnormality	C-3913	Fusing low temperature abnormality (hardware detection). The fusing temperature sensor /7 (TH7) detects an error detection signal continuously for a specified period of time.	• Printer control board (PRCB) • Fusing temperature sensor /7 (TH7)
Main body: Fusing temperature sensor /4 high temperature hardware detection abnormality	C-3914	Fusing high temperature abnormality (hardware detection). The fusing temperature sensor /4 (TH4) detects an error detection signal continuously for a specified period of time.	• Printer control board (PRCB) • Fusing temperature sensor /4 (TH4)
Main body: Fusing temperature sensor /4 low temperature hardware detection abnormality	C-3915	Fusing low temperature abnormality (hardware detection). The fusing temperature sensor /4 (TH4) detects an error detection signal continuously for a specified period of time.	• Printer control board (PRCB) • Fusing temperature sensor /4 (TH4)
Main body: Fusing temperature sensor /4 abnormality	C-3916	After the warm-up is started, temperature detected by the fusing temperature sensor /4 (TH4) has not risen to 100 °C within a specified period of time.	• Printer control board (PRCB) • AC drive board /1 (ACDB/1) • AC drive board /2 (ACDB/2) • Fusing heater/5 • Fusing temperature sensor /4 (TH4) • Main relay (RL1) • Thermostat /4 (TS4) • Thermostat /5 (TS5)
Main body: Fusing temperature sensor /5 high temperature hardware detection abnormality	C-3917	Fusing high temperature abnormality (hardware detection). The fusing temperature sensor /5 (TH5) detects an error detection signal continuously for a specified period of time.	• Printer control board (PRCB) • Fusing temperature sensor /5 (TH5)
Main body: Fusing temperature sensor /5 low temperature hardware detection abnormality	C-3918	Fusing low temperature abnormality (hardware detection). The fusing temperature sensor /5 (TH5) detects an error detection signal continuously for a specified period of time.	• Printer control board (PRCB) • Fusing temperature sensor /5 (TH5)
Main body: Fusing temperature sensor /5 abnormality	C-3919	After the warm-up is started, temperature detected by the fusing temperature sensor /5 (TH5) has not risen to 100 °C within a specified period of time.	• Printer control board (PRCB) • AC drive board /1 (ACDB/1) • AC drive board /2 (ACDB/2) • Fusing heater/5 • Fusing temperature sensor /5 (TH5) • Main relay (RL1) • Thermostat /4 (TS4) • Thermostat /5 (TS5)
Main body: Fusing temperature sensor /8 high temperature hardware detection abnormality	C-3920	Fusing high temperature abnormality (hardware detection). The fusing temperature sensor /8 (TH8) detects an error detection signal continuously for a specified period of time.	• Printer control board (PRCB) • Fusing temperature sensor /8 (TH8)
Main body: Fusing temperature sensor /8 low temperature hardware detection abnormality	C-3921	Fusing low temperature abnormality (hardware detection). The fusing temperature sensor /8 (TH8) detects an error detection signal continuously for a specified period of time.	• Printer control board (PRCB) • Fusing temperature sensor /8 (TH8)
EF: Fusing temperature sensor abnormality	C-3950	EF high temperature abnormality (hardware detection). The fusing temperature sensor /1 (TH1) detects 245 °C/160 °C/150 °C or higher value continuously for a specified period of time.	• EF control board (EFCB) • AC drive board (ACDB) • Fusing temperature sensor /1 (TH1)
EF: Fusing temperature sensor abnormality	C-3952	EF high temperature abnormality (hardware detection). The fusing temperature sensor /3 (TH3) detects 240 °C or higher value continuously for a specified period of time.	• EF control board (EFCB) • AC drive board (ACDB) • Fusing temperature sensor /3 (TH3)
EF: Fusing temperature sensor abnormality	C-3953	High temperature hardware detection abnormality The fusing temperature sensor /4 (TH4) detects 245 °C/160 °C/150 °C or higher value continuously for a specified period of time.	• EF control board (EFCB) • AC drive board (ACDB) • Fusing temperature sensor /4 (TH4)
EF: Fusing temperature sensor abnormality	C-3955	High temperature abnormality (hardware detection). The fusing temperature sensor /6 (TH6) detects 240 °C or higher value continuously for a specified period of time.	• EF control board (EFCB) • AC drive board (ACDB) • Fusing temperature sensor /6 (TH6)
EF: Fusing temperature sensor abnormality	C-3956	Low temperature abnormality (hardware detection). The fusing temperature sensor /1 (TH1) detects -13 °C or lower value continuously for a specified period of time.	• EF control board (EFCB) • AC drive board (ACDB) • 2nd Fusing Lamp(Top) • Fusing temperature sensor /1 (TH1) • Main relay (RL2) • Thermostat /1 (TS1) • Thermostat /2 (TS2)
EF: Fusing temperature sensor abnormality	C-3958	Low temperature abnormality (hardware detection). The fusing temperature sensor /3 (TH3) detects -6 °C or lower value continuously for a specified period of time.	• EF control board (EFCB) • AC drive board (ACDB) • Replace the 2nd fusing heater lamp. • Fusing temperature sensor /3 (TH3) • Thermostat /1 (TS1) • Thermostat /2 (TS2)
EF: Fusing temperature sensor abnormality	C-3959	Low temperature abnormality (hardware detection). The fusing temperature sensor /4 (TH4) detects -13 °C or lower value continuously for a specified period of time.	• EF control board (EFCB) • AC drive board (ACDB) • Replace the 2nd fusing heater lamp. • fusing temperature sensor /4 (TH4) • Thermostat /3 (TS3) • Thermostat /4 (TS4)
EF: Fusing temperature sensor abnormality	C-3961	The fusing temperature sensor /6 (TH6) detects -6 °C or lower value continuously for a specified period of time.	• EF control board (EFCB) • AC drive board (ACDB) • Replace the 2nd fusing heater lamp. • Fusing temperature sensor /6 (TH6) • Thermostat /3 (TS3) • Thermostat /4 (TS4)
	C-3962	When the fusing power feed is available, the temperature detected by the fusing temperature sensor /1 (TH1) has not risen to 100 °C within a specified period of time after the warm-up is started.	• EF control board (EFCB) • AC drive board (ACDB) • Replace the 2nd fusing heater lamp. • Fusing temperature sensor /1 (TH1) • Thermostat /1 (TS1) • Thermostat /2 (TS2)
	C-3964	When the fusing power feed is available, the temperature detected by the fusing temperature sensor /3 (TH3) has not risen to 100 °C within a specified period of time after the warm-up is started.	• EF control board (EFCB) • AC drive board (ACDB) • Replace the 2nd fusing heater lamp. • Fusing temperature sensor /3 (TH3) • Thermostat /1 (TS1) • Thermostat /2 (TS2)
	C-3965	When the fusing power feed is available, the temperature detected by the fusing temperature sensor /4 (TH4) has not risen to 100 °C within a specified period of time after the warm-up is started.	• EF control board (EFCB) • AC drive board (ACDB) • Replace the 2nd fusing heater lamp. • fusing temperature sensor /4 (TH4) • Thermostat /3 (TS3) • Thermostat /4 (TS4)
	C-3967	When the fusing power feed is available, the temperature detected by the fusing temperature sensor /6 (TH6) has not risen to 100 °C within a specified period of time after the warm-up is started.	• EF control board (EFCB) • AC drive board (ACDB) • Replace the 2nd fusing heater lamp. • Fusing temperature sensor /6 (TH6) • Thermostat /3 (TS3) • Thermostat /4 (TS4)
Main body: Polygon motor (Y) abnormality	C-4101	When the polygon motor / Y (M21) starts up or its speed changes, the lock signal of M21 is not detected within a specified period of time.	• Polygon motor /Y (M21) • Printer control board (PRCB) • DC power supply /2 (DCPS/2) • Writing unit /Y
Main body: Polygon motor (M) abnormality	C-4102	The lock signal of M22 is not detected when the polygon motor /M (M22) starts up or its speed changes.	• Polygon motor /M (M22) • Printer control board (PRCB) • DC power supply /2 (DCPS/2) • Writing unit /M
Main body: Polygon motor (C) abnormality	C-4103	When the polygon motor / C (M23) starts up or its speed changes, the lock signal of M23 is not detected within a specified period of time.	• Polygon motor /C (M23) • Printer control board (PRCB) • DC power supply /2 (DCPS/2) • Writing unit /C
Main body: Polygon motor (K) abnormality	C-4104	When the polygon motor / K (M24) starts up or its speed changes, the lock signal of M24 is not detected within a specified period of time.	• Polygon motor /K (M24) • Printer control board (PRCB) • DC power supply /2 (DCPS/2) • Writing unit /K
Main body: Writing temperature sensor abnormality	C-4120	The writing temperature sensor (TH11) detects an abnormal high temperature in the write unit.	• Writing temperature sensor (TH11) • Printer control board (PRCB)
Main body: Writing ventilation fan abnormality	C-4302	An error detection signal of any of FM13, FM14 or FM15 is detected continuously for a specified period of time while the writing ventilation fans /1 (FM13), /2 (FM14) and /3 (FM15) are ON.	• Writing ventilation fan /1 (FM13) • Writing ventilation fan /2 (FM14) • Writing ventilation fan /3 (FM15) • Writing ventilation fan /4 (FM16) • Printer control board (PRCB)
Main body: Tilt correction motor /Y abnormality	C-4501	An edge is detected while the tilt correction motor /Y (M25) moves. It has moved beyond the movable range.	• Skew correction home sensor /Y (PS40) • Tilt correction motor /Y (M25) • Printer control board (PRCB)
Main body: Tilt correction motor /M abnormality	C-4502	An edge is detected while the tilt correction motor /M (M26) moves. It has moved beyond the movable range.	• Skew correction home sensor /M (PS41) • Tilt correction motor /M (M26) • Printer control board (PRCB)
Main body: Tilt correction motor /C abnormality	C-4503	An edge is detected while the tilt correction motor /C (M27) moves. It has moved beyond the movable range.	• Skew correction home sensor /C (PS42) • Tilt correction motor /C (M27) • Printer control board (PRCB)
Main body: Tilt correction motor /K abnormality	C-4504	An edge is detected while the tilt correction motor /K (M28) moves. It has moved beyond the movable range.	• Tilt correction home sensor /K (PS43) • Tilt correction motor /K (M28) • Printer control board (PRCB)
Main body: Tilt correction motor /Y time out abnormality	C-4511	The tilt correction motor /Y (M25) does not turn OFF within a specified period of time after it turns ON to move. Or, the installation position of the tilt correction motor /Y (PS40) is improper.	Tilt correction motor /Y (M25) • Skew correction home sensor /Y (PS40) • Writing unit /Y • Printer control board (PRCB)
Main body: Tilt correction motor /M time out abnormality	C-4512	The tilt correction motor /M (M26) does not turn OFF within a specified period of time after it turns ON to move. Or, the installation position of the tilt correction motor /M (PS41) is improper.	• Tilt correction motor /M (M26) • Skew correction home sensor /M (PS41) • Writing unit /M • Printer control board (PRCB)
Main body: Tilt correction motor /C time out abnormality	C-4513	The tilt correction motor /C (M27) does not turn OFF within a specified period of time after it turns ON to move. Or, the installation position of the tilt correction motor /C (PS42) is improper.	• Tilt correction motor /C (M27) • Skew correction home sensor /C (PS42) • Writing unit /C • Printer control board (PRCB)
Main body: Tilt correction motor /K time out abnormality	C-4514	The tilt correction motor /K (M28) does not turn OFF within a specified period of time after it turns ON to move. Or, the installation position of the tilt correction motor /K (PS43) is improper.	• Tilt correction motor /K (M28) • Tilt correction home sensor /K (PS43) • Writing unit /K • Printer control board (PRCB)
Main body: Response time out abnormality of color registration image process	C-4520	Time out occurs before receiving a response from color registration image process.
Main body: Color registration base line correction abnormality (front)	C-4521	The color registration base line correction /Fr has terminated abnormally. •	• Color registration sensor /Fr (PS83) • Printer control board (PRCB) • Intermediate transfer belt • Color registration shutter solenoid /1 (SD8), /2 (SD9)
Main body: Color registration base line correction abnormality (rear)	C-4522	The color registration base line correction /Rr has terminated abnormally	• Color registration sensor /Rr (PS85) • Printer control board (PRCB) • Intermediate transfer belt • Color registration shutter solenoid /1 (SD8), /2 (SD9)
Main body: Color registration base line correction abnormality (middle)	C-4523	The color registration base line correction /Md has terminated abnormally.	• Color registration sensor /Md (PS84) • Printer control board (PRCB) • Intermediate transfer belt • Color registration shutter solenoid /1 (SD8), /2 (SD9)
Main body: Partial CD magnification correction motor /Y abnormality	C-4531	An edge is detected while the partial CD magnification correction motor /Y (M29) moves. It has moved beyond the movable range.	• Partial CD magnification correction motor /Y (M29) • Partial CD magnification correction home sensor / Y (PS69) • Printer control board (PRCB)
Main body: Partial CD magnification correction motor /M abnormality	C-4532	An edge is detected while the partial CD magnification correction motor /M (M30) moves. It has moved beyond the movable range.	• Partial CD magnification correction motor /M (M30) • Partial CD magnification correction home sensor / M (PS70) • Printer control board (PRCB)
Main body: Partial CD magnification correction motor /C abnormality	C-4533	An edge is detected while the partial CD magnification correction motor /C (M31) moves. It has moved beyond the movable range.	• Partial CD magnification correction motor /C (M31) • Partial CD magnification correction home sensor / C (PS71) • Printer control board (PRCB)
Main body: Partial CD magnification correction motor /K abnormality	C-4534	An edge is detected while the partial CD magnification correction motor /K (M32) moves. It has moved beyond the movable range.	• Partial CD magnification correction motor /K (M32) • Partial CD magnification correction home sensor / K (PS72) • Printer control board (PRCB)
Main body: Partial CD magnification correction motor /Y time out abnormality	C-4541	The partial CD magnification correction motor /Y (M29) does not turn OFF within a specified period of time after it turns ON. Or, the installation position of the partial CD magnification correction home sensor /Y (PS69) is improper.	• Partial CD magnification correction motor /Y (M29) • Partial CD magnification correction home sensor / Y (PS69) • Printer control board (PRCB)
Main body: Partial CD magnification correction motor /M time out abnormality	C-4542	The partial CD magnification correction motor /M (M30) does not turn OFF within a specified period of time after it turns ON. Or, the installation position of the partial CD magnification correction home sensor /M (PS70) is improper.	• Partial CD magnification correction motor /M (M30) • Partial CD magnification correction home sensor / M (PS70) • Printer control board (PRCB)
Main body: Partial CD magnification correction motor /C time out abnormality	C-4543	The partial CD magnification correction motor /C (M31) does not turn OFF within a specified period of time after it turns ON. Or, the installation position of the partial CD magnification correction home sensor /C (PS71) is improper.	• Partial CD magnification correction motor /C (M31) • Partial CD magnification correction home sensor / C (PS71) • Printer control board (PRCB)
Main body: Partial CD magnification correction motor /K time out abnormality	C-4544	The partial CD magnification correction motor /K (M32) does not turn OFF within a specified period of time after it turns ON. Or, the installation position of the partial CD magnification correction home sensor /K (PS72) is improper.	• Partial CD magnification correction motor /K (M32) • Partial CD magnification correction home sensor / K (PS72) • Printer control board (PRCB)
Main body: Color registration sensor /Fr (Y) data undetected abnormality	C-4601	The color registration sensor /Fr (PS83) has not detected any data of Y toner.
Main body: Color registration sensor /Fr (M) data undetected abnormality	C-4602	The color registration sensor /Fr (PS83) has not detected any data of M toner.
Main body: Color registration sensor /Fr (C) data undetected abnormality	C-4603	The color registration sensor /Fr (PS83) has not detected any data of C toner.
Main body: Color registration sensor /Fr (K) data undetected abnormality	C-4604	The color registration sensor /Fr (PS83) has not detected any data of K toner.
Main body: Color registration sensor /Md (Y) data undetected abnormality	C-4611	The color registration sensor /Md (PS84) has not detected any data of Y toner.
Main body: Color registration sensor /Md (M) data undetected abnormality	C-4612	The color registration sensor /Md (PS84) has not detected any data of M toner.
Main body: Color registration sensor /Md (C) data undetected abnormality	C-4613	The color registration sensor /Md (PS84) has not detected any data of C toner.
Main body: Color registration sensor /Md (K) data undetected abnormality	C-4614	The color registration sensor /Md (PS84) has not detected any data of K toner.
Main body: Color registration sensor /Rr (Y) data undetected abnormality	C-4621	The color registration sensor /Rr (PS85) has not detected any data of Y toner.
Main body: Color registration sensor /Rr (M) data undetected abnormality	C-4622	The color registration sensor /Rr (PS85) has not detected any data of M toner.
Main body: Color registration sensor /Rr (C) data undetected abnormality	C-4623	The color registration sensor /Rr (PS85) has not detected any data of C toner.
Main body: Color registration sensor /Rr (K) data undetected abnormality	C-4624	The color registration sensor /Rr (PS85) has not detected any data of K toner.
Main body: Color registration sensor /Fr (Y) abnormality	C-4631	The histogram processing of the Y toner has terminated abnormally on the color registration sensor /Fr (PS83).
Main body: Color registration sensor /Fr (M) abnormality	C-4632	The histogram processing of the M toner has terminated abnormally on the color registration sensor /Fr (PS83).
Main body: Color registration sensor /Fr (C) abnormality	C-4633	The histogram processing of the C toner has terminated abnormally on the color registration sensor /Fr (PS83).
Main body: Color registration sensor /Fr (K) abnormality	C-4634	The histogram processing of the K toner has terminated abnormally on the color registration sensor /Fr (PS83).
Main body: Color registration sensor /Md (Y) abnormality	C-4641	The histogram processing of the Y toner has terminated abnormally on the color registration sensor /Md (PS84).
Main body: Color registration sensor /Md (M) abnormality	C-4642	The histogram processing of M toner has terminated abnormally on the color registration sensor /Md (PS84).
Main body: Color registration sensor /Md (C) abnormality	C-4643	The histogram processing of the C toner has terminated abnormally on the color registration sensor /Md (PS84).
Main body: Color registration sensor /Md (K) abnormality	C-4644	The histogram processing of the K toner has terminated abnormally on the color registration sensor /Md (PS84).
Main body: Color registration sensor /Rr (Y) abnormality	C-4651	The histogram processing of the Y toner has terminated abnormally on the color registration sensor /Rr (PS85).
Main body: Color registration sensor /Rr (M) abnormality	C-4652	The histogram processing of the M toner has terminated abnormally on the color registration sensor /Rr (PS85).
Main body: Color registration sensor /Rr (C) abnormality	C-4653	The histogram processing of C-toner has terminated abnormally in the color registration sensor /Rr (PS85).
Main body: Color registration sensor /Rr (K) abnormality	C-4654	The histogram processing of the K toner has terminated abnormally on the color registration sensor /Rr (PS85).
Main body: Color registration correction abnormality (Y)	C-4661	The color registration correction /Y has terminated abnormally.
Main body: Color registration correction abnormality (M)	C-4662	The color registration correction /M has terminated abnormally.
Main body: Color registration correction abnormality (C)	C-4663	The color registration correction /C has terminated abnormally.
Main body: Printer FIFO abnormality	C-4701	FIFO address abnormality for the printer. While in the image write, the expansion processing of image data that is read in does not terminate correctly.	• Memory control board /1 (MCB1) • Memory control board /2 (MCB2)
Main body: Compression I/O FIFO abnormality	C-4702	An error interrupt occurs with the compression/ expansion chip FIFO.	• Memory control board /1 (MCB1) • Memory control board /2 (MCB2)
Main body: Expansion abnormality	C-4703	Image data expansion abnormality.	• Memory control board /1 (MCB1) • Memory control board /2 (MCB2)
Main body: Printer time out	C-4705	While in the image write, the expansion processing from the memory to the printer does not terminate within a specified period of time. The output from the page memory to the printer does not terminate within a specified period of time. The PVV is not detected within a specified period of time.	• Memory control board /1 (MCB1) • Memory control board /2 (MCB2) • Printer image processing board (PRIPB)
Main body: Expansion device access abnormality	C-4706	While in the image write, despite of no resource provided, an inappropriate processing such as accessing to the elongation device is made.	• Memory control board /1 (MCB1) • Memory control board /2 (MCB2)
Main body: Memory device access abnormality in data flow	C-4708	When accessing to the memory device, a defective software is detected.	• Memory control board /1 (MCB1) • Memory control board /2 (MCB2)
Main body: Data flow memory mode time out	C-4709	The expansion processing from the memory to the page memory does not terminate within a specified period of time. The compression processing from the page memory to the memory does not terminate within a specified period of time. The development from the memory to the page memory does not terminate within a specified period of time. The transmission of the compressed data from memory to memory does not terminated within a specified period of time.	• Memory control board /1 (MCB1) • Memory control board /2 (MCB2)
Main body: Print page memory overflow	C-4713	A page memory for printing cannot be secured.	HDD/Y, HDD/M, HDD/C, HDD/K, HDD/A, HDD/P
Main body: Index sensor abnormality (Y)	C-4714	When executing APC, the Index sensor output does not change. The index sensor failed to detect the laser because the polygon mirror does not rotate, the position of the index sensor is improper, or the index sensor is defective.	• Writing unit /Y • Printer image processing board (PRIPB)
Main body: Index sensor abnormality (M)	C-4715	When executing APC, the Index sensor output does not change. The index sensor failed to detect the laser because the polygon mirror does not rotate, the position of the index sensor is improper, or the index sensor is defective.	• Writing unit /M • Printer image processing board (PRIPB)
Main body: Index sensor abnormality (C)	C-4716	When executing APC, the Index sensor output does not change. The index sensor failed to detect the laser because the polygon mirror does not rotate, the position of the index sensor is improper, or the index sensor is defective.	• Writing unit /C • Printer image processing board (PRIPB)
Main body: Index sensor abnormality (K)	C-4717	When executing APC, the Index sensor output does not change. The index sensor failed to detect the laser because the polygon mirror does not rotate, the position of the index sensor is improper, or the index sensor is defective.	• Writing unit /K • Printer image processing board (PRIPB)
Main body: APC abnormality (Y)	C-4718	APC abnormality. The laser does not turn ON because 12V DC power source for driving laser is not fed, MPC is wrong, or the laser is defective.	• Writing unit /Y • Printer image processing board (PRIPB)
Main body: APC abnormality (M)	C-4719	APC abnormality. The laser does not turn ON because 12V DC power source for driving laser is not fed, MPC is wrong, or the laser is defective.	• Writing unit /M • Printer image processing board (PRIPB)
Main body: APC abnormality (C)	C-4720	APC abnormality. The laser does not turn ON because 12V DC power source for driving laser is not fed, MPC is wrong, or the laser is defective.	• Writing unit /C • Printer image processing board (PRIPB)
Main body: APC abnormality (K)	C-4721	APC abnormality. The laser does not turn ON because 12V DC power source for driving laser is not fed, MPC is wrong, or the laser is defective.	• Writing unit /K • Printer image processing board (PRIPB)
Main body: Printer-related connectors unconnected (Y)	C-4722	Connection abnormality between the index board / Y (IDB/Y) or the laser drive board /Y (LDB/Y) and the printer image processing board (PRIPB).	• Writing unit /Y • Printer image processing board (PRIPB)
Main body: Printer-related connectors unconnected (M)	C-4723	Connection abnormality between the index board / M (IDB/M) or the laser drive board /M (LDB/M) and the printer image processing board (PRIPB).	• Writing unit /M • Printer image processing board (PRIPB)
Main body: Printer-related connectors unconnected (C)	C-4724	Connection abnormality between the index board / C (IDB/C) or the laser drive board /C (LDB/C) and the printer image processing board (PRIPB).	• Writing unit /C • Printer image processing board (PRIPB)
Main body: Printer-related connectors unconnected (K)	C-4725	Connection abnormality between the index board / K (IDB/K) or the laser drive board /K (LDB/K) and the printer image processing board (PRIPB).	• Writing unit /K • Printer image processing board (PRIPB)
Main body: Engine nonstop drive abnormality	C-4840	The engine section has kept driving continuously for a specified period of time without producing image or process patch.	Printer control board (PRCB)
Main body: Segmentation fault	C-4850	The overall control software accesses an illegal address.	Overall control board (OACB)
Main body: Total/section printing ratio abnormality	C-4860	An abnormal value is detected in the total printing ratio or the section printing ratio.
Main body: 12V DC abnormality	C-5001	12V DC abnormality. An error signal is detected continuously for a specified period of time.	• Printer control board (PRCB) • DC power supply /1 (DCPS/1)
Main body: 24V DC abnormality	C-5002	24V DC abnormality. An error signal is detected continuously for a specified period of time after the power turns ON.	• Printer control board (PRCB) • DC power supply /2 (DCPS/2)
Main body: ADU conveyance drive board 24V abnormality	C-5003	ADU conveyance drive board (CDB) 24V abnormality. An error signal is detected continuously for a specified period of time.	• Front door sensor (PS37) • Front door switch (SW4) • Conveyance drive board (CDB) • Printer control board (PRCB) • DC power supply /1 (DCPS/1) • DC power supply /2 (DCPS/2)
Main body: ADU conveyance drive board 24V abnormality	C-5004	ADU conveyance drive board (CDB) 24V abnormality. An error signal is detected continuously for a specified period of time.	• Front door sensor (PS37) • Front door switch (SW4) • Conveyance drive board (CDB) • Printer control board (PRCB) • DC power supply /1 (DCPS/1) • DC power supply /2 (DCPS/2)
Main body: ADU conveyance drive board 12V abnormality	C-5005	Conveyance drive board (CDB) 12V power source abnormality. An error signal is detected continuously for a specified period of time.	• Conveyance drive board (CDB) • Printer control board (PRCB) • DC power supply /1 (DCPS/1)
Main body: Conveyance drive board -5V abnormality	C-5006	Conveyance drive board (CDB) -5V power source abnormality. An error signal is detected continuously for a specified period of time.	• Conveyance drive board (CDB) • Printer control board (PRCB) • ADU centering sensor (PS87) • PF drive board (PFDB) • RU Color density sensor unit
Main body: 5V power abnormality	C-5007	5V power abnormality An error signal is detected continuously for a specified period of time.	Printer control board (PRCB)
Main body: Communication abnormality between overall control and printer control	C-5010	A line status error or a checksum error occured between the overall control board (OACB) and the printer control board (PRIPB) is detected and it cannot be recovered by sending a retransmission request. Recovery failed even after the requested retransmission is performed. A sufficient space cannot be obtained in the circular buffer within a specified period of time.	• Overall control board (OACB) • Printer control board (PRCB)
Main body: Conveyance drive board control circuit port output communication abnormality	C-5012	Conveyance drive board (CDB) control circuit port output communication abnormality A checksum error occurs in a data sent to the control circuit.	• Conveyance drive board (CDB) • Printer control board (PRCB) • DC power supply /1 (DCPS/1)
Main body: Conveyance drive board control circuit motor output communication abnormality	C-5013	Conveyance drive board control circuit motor output communication abnormality. A checksum error occurs in a data sent to the control circuit.	• Conveyance drive board (CDB) • Printer control board (PRCB) • DC power supply /1 (DCPS/1)
Main body: PF drive board control circuit port output communication abnormality	C-5014	PF drive board (PFDB) control circuit port output1 communication abnormality. A checksum error occurs in a data sent to the control circuit.	• PF drive board (PFDB) • Printer control board (PRCB)
Main body: PF drive board control circuit motor output1 communication abnormality	C-5015	PF drive board control circuit motor output communication abnormality. A checksum error occurs in a data sent to the control circuit.	• PF drive board (PFDB) • Printer control board (PRCB)
Main body: PF drive board control circuit port output2 communication abnormality	C-5016	PF drive board (PFDB) control circuit port output communication abnormality A checksum error occurs in a data sent to the control circuit.	• PF drive board (PFDB) • Printer control board (PRCB)
Main body: PF drive board control circuit motor output2 communication abnormality	C-5017	PF drive board control circuit motor output communication abnormality. A checksum error occurs in a data sent to the control circuit.	• PF drive board (PFDB) • Printer control board (PRCB)
Main body: Printer control board control circuit port output communication abnormality	C-5018	Printer control board control circuit port output communication abnormality. A checksum error occurs in a data sent to the control circuit.	Printer control board (PRCB)
Main body: Printer control board control circuit motor output communication abnormality	C-5019	Printer control board control circuit motor output communication abnormality. A checksum error occurs in a data sent to the control circuit.	Printer control board (PRCB)
Main body: Toner drive board control circuit port output communication abnormality	C-5020	Toner drive board (TDB) control circuit port output communication abnormality. A checksum error occurs in a data sent to the control circuit.	• Toner drive board (TDB) • Printer control board (PRCB)
Main body: Toner drive board control circuit motor output communication abnormality	C-5021	Toner drive board (TDB) control circuit motor output communication abnormality. A checksum error occurs in a data sent to the control circuit.	Toner drive board (TDB)
Main body: Fusing control circuit port output communication abnormality	C-5022	Fusing control circuit port output communication abnormality. A checksum error occurs in a data sent to the control circuit.	• Conveyance drive board (CDB) • Printer control board (PRCB) • DC power supply /1 (DCPS/1)
Main body: Fusing control circuit motor output communication abnormality	C-5023	Fusing control circuit motor output communication abnormality. A checksum error occurs in a data sent to the control circuit.	• Conveyance drive board (CDB) • Printer control board (PRCB) • DC power supply /1 (DCPS/1)
Main body: Main body system control circuit communication error (receiving)	C-5024	Main body system control circuit communication error (receiving). A checksum error occurs in a data received from the control circuit.	• Conveyance drive board (CDB) • Toner drive board (TDB) • EF control board (EFCB) • Printer control board (PRCB)
Main body: PF system control circuit communication error (receiving)	C-5025	PF system control circuit communication error (receiving). A checksum error occurs in a data received from the control circuit.	• PF drive board (PFDB) • Printer control board (PRCB)
PF-704/705 (1st tandem): PF control circuit initial communication abnormality	C-5100	After the power turns ON and ACK is enabled, the control circuit initial communication 1 is not performed within a specified period of time.	• PF drive board (PFDB) • Printer control board (PRCB)
PF-704/705 (1st tandem): PF control circuit initial communication abnormality	C-5101	After the power turns ON and ACK is enabled, the control circuit initial communication 2 is not performed within a specified period of time.	• PF drive board (PFDB) • Printer control board (PRCB)
PF-704 (2nd tandem): PF control circuit initial communication abnormality	C-5102	After the power turns ON and ACK is enabled, the control circuit initial communication 1 is not performed within a specified period of time.	• PF drive board (PFDB) • Printer control board (PRCB)
PF-704 (2nd tandem): PF control circuit initial communication abnormality	C-5103	After the power turns ON and ACK is enabled, the control circuit initial communication 2 is not performed within a specified period of time.	• PF drive board (PFDB) • Printer control board (PRCB)
Main body: Control circuit of the printer control board initial communication abnormality	C-5104	After the power turns ON and ACK is enabled, the initial communication of the control circuit in the printer control board (PRCB) is not performed within a specified period of time.	Printer control board (PRCB)
Main body: Toner drive board control circuit initial communication abnormality	C-5105	After the power turns ON and ACK is enabled, the initial communication of the toner drive board (TDB) control circuit is not performed within a specified period of time.	• Printer control board (PRCB) • Toner drive board (TDB)
Main body: Fusing control circuit initial communication abnormality	C-5106	After the power turns ON and ACK is enabled, the fusing control circuit initial communication is not performed within a specified period of time.	• Conveyance drive board (CDB) • Printer control board (PRCB) • DC power supply /1 (DCPS/1)
Main body: Conveyance drive board control circuit initial communication abnormality	C-5107	After the power turns ON and ACK is enabled, the conveyance drive board (CDB) control circuit initial communication is not performed within a specified period of time.	• Conveyance drive board (CDB) • Printer control board (PRCB) • DC power supply /1 (DCPS/1)
Main body: Conveyance drive board (CDB) entering control circuit initial communication abnormality	C-5108	After the power turns ON and ACK is enabled, the conveyance drive board/ centering control circuit initial communication is not performed within a specified period of time. Or, an error signal is detected while the centering sensor (PS40) is ON.	• Centering sensor (PS40) • Conveyance drive board (CDB) • Printer control board (PRCB) • DC power supply /1 (DCPS/1)
PF-704/705 (1st tandem): Centering control circuit initial communication abnormality	C-5109	After the power turns ON and ACK is enabled, the centering control circuit initial communication is not performed within a specified period of time. Or, an error signal is detected while the centering sensor (PS40) is ON.	• Centering sensor (PS40) • PF drive board (PFDB) • Printer control board (PRCB)
PF-704/705 (1st tandem): SubCPU control circuit initial communication abnormality	C-5121	After the power turns ON and ACK is enabled, the SubCPU control circuit initial communication is not performed within a specified period of time.	• PF drive board (PFDB) • Printer control board (PRCB)
PF-704 (2nd tandem): SubCPU control circuit initial communication abnormality	C-5137	After the power turns ON and ACK is enabled, the SubCPU control circuit initial communication is not performed within a specified period of time.	• PF drive board (PFDB) • Printer control board (PRCB)
EF: SubCPU Control circuit initial communication abnormality.	C-5149	After the power turns ON and ACK is enabled, the SubCPU control circuit initial communication is not performed within a specified period of time.	EF control board (EFCB)
EF: Control circuit initial communication abnormality.	C-5199	After the power turns ON and ACK is enabled, the EF control circuit initial communication is not performed within a specified period of time.	EF control board (EFCB)
Main body: Power supply cooling fan abnormality	C-5301	An error detection signal of FM1 or FM2 is detected continuously for a specified period of time while the power supply cooling fans /1 (FM1) and / 2 (FM2) are ON. An error detection signal is detected continuously while retrying power feed several times.	• Power supply cooling fan /1 (FM1), /2 (FM2) • DC power supply /1 (DCPS/1) • Overall control board (OACB)
Main body: System cooling fan abnormality	C-5302	An error detection signal of FM33 or FM34 is detected continuously for a specified period of time while the system cooling fans /Up (FM33) and /Lw (FM34) are ON. An error detection signal is detected continuously while retrying power feed several times.	• System cooling fan /Up (FM33), /Lw (FM34) • Overall control board (OACB)
	C-5303	An error detection signal of FM35 is detected continuously for a specified period of time while the system cooling fan /Rr (FM35) is ON. An error detection signal is detected continuously while retrying power feed several times.	• Overall control board (OACB) • System cooling fan /Rr (FM35)
Main body: HDD unit cooling fan abnormality	C-5304	An error detection signal of FM46 or FM47 is detected continuously for a specified period of time while the HDD unit cooling fans /1 (FM46) and /2 (FM47) are ON. An error detection signal is detected continuously while retrying power feed several times.	• HDD unit cooling fan /1 (FM46) • HDD unit cooling fan /2 (FM47)
Scanner: Scanner home sensor abnormality	C-6101	While in the home position search operation, the scanner home sensor (PS101) does not turn ON within a specified period of time after the scanner motor (M101) turns ON.	• Printer control board (PRCB) • Scanner drive board (SCDB) • Scanner motor (M101) • Scanner home sensor (PS101)
Scanner: Optics scan abnormality	C-6102	When in optics scan returning operation, the scanner home sensor (PS101) does not turn ON within a specified period of time after the scanner motor (M101) turns ON.	• Printer control board (PRCB) • Scanner drive board (SCDB) • Scanner motor (M101) • Scanner home sensor (PS101)
Scanner: Scanner cooling fan abnormality	C-6301	An error detection signal of the scanner cooling fan (FM27) is detected continuously for a specified period of time while FM27 is ON.	• Printer control board (PRCB) • Scanner drive board (SCDB) • Scanner cooling fan (FM27)
Scanner: Filter coefficient abnormality	C-6701	When processing images, a filter coefficient cannot be created normally.	• Scanner relay board (SCRB) • Scanner image processing board (SCIPB) • Memory control board /1 (MCB1) • Memory control board /2 (MCB2)
Scanner: Scanner FIFO abnormality	C-6702	Address error of the scanner FIFO. While in the image read, the compression processing of image data that is read in does not terminate correctly.	• Scanner image processing board (SCIPB) • Memory control board /1 (MCB1) • Memory control board /2 (MCB2)
Scanner: AVV length abnormality	C-6703	After negation of SVV, the compression of images that are read in and their development into the page memory are not terminated within a specified period of time.	• Scanner image processing board (SCIPB) • Memory control board /1 (MCB1) • Memory control board /2 (MCB2) • Overall control board (OACB)
Scanner: Scanner time out	C-6704	While in the image read, the compression processing from the scanner into the memory does not terminate within a specified period of time. The development from the scanner into the page memory does not terminate within a specified period of time. The SVV is not detected within a specified period of time.	• Scanner image processing board (SCIPB) • Memory control board /1 (MCB1) • Memory control board /2 (MCB2) • Overall control board (OACB)
Scanner: Compression device access abnormality	C-6705	While in the image read, despite of no resource provided, an inappropriate processing such as accessing to the compression device is made.	• Replace SCIPB. • Replace MCB1. • Replace MCB2.
Scanner: SVV OFF abnormality	C-6706	While in the image read, SVV does not turn OFF within a specified period of time and the preparation for scanning the next page cannot be started.	• Scanner image processing board (SCIPB) • Memory control board /1 (MCB1) • Memory control board /2 (MCB2) • Overall control board (OACB)
Scanner: Shading correction abnormality	C-6707	Time out during shading correction The index signal has not received or the index cycle is too long.	• Scanner relay board (SCRB) • Scanner image processing board (SCIPB)
Scanner: AOC/ AGC level adjustment abnormality	C-6708	AOC/AGC adjustment abnormality - The light blocking cover and the lens cover of the scanner section are removed. - The connector of the CCD board (CCDB) is disconnected. - The power cable of CCDB is disconnected. - CCDB abnormality. - Overexposure of the exposure lamp (L101). - L101 does not light.	• Scanner relay board (SCRB) • Scanner image processing board (SCIPB) • CCD board (CCDB) • Exposure lamp (L101)
Scanner: Abnormality of the adjustment data by resolutions	C-6709	The adjustment data evacuated by resolutions is not available.	• Scanner image processing board (SCIPB) • Memory control board /1 (MCB1) • Memory control board /2 (MCB2)
Scanner: Density conversion gamma curve creation failed	C-6710	A density conversion gamma curve cannot be created normally.	• Scanner image processing board (SCIPB) • Memory control board /1 (MCB1) • Memory control board /2 (MCB2) • Overall control board (OACB)

Phân loại	Mã lỗi	Mô tả	Nguyên nhân	Điều chỉnh
BYPASS	J1001	During operation: Within a specified period of time after the pick-up solenoid/BP (SD6) becomes active, the paper feed sensor/BP (PS72) does not become active.	Stop immediately (when DIPSW27-6=1) When DIPSW27-6 is 0 and if a paper jam occurs during the printing process, the main body stops after paper exit. (Duplex print must be performed before the image is read.)	Take out paper from the bypass tray once and remove any jammed paper.
	J1002	During operation: Within a specified period of time after the paper empty sensor/BP (PS73) becomes active, the paper lift motor/BP (M49) does not become active.	Stops immediately.	Take out paper from the bypass tray once, reduce the number of the loaded paper, and then place it again.
	J1003	During operation: Within a specified period of time after the paper lift motor/BP (M49) becomes active, the upper limit sensor/BP (PS71) does not become active.	Stops immediately.	Take out paper from the bypass tray once, reduce the number of the loaded paper, and then place it again
	J1051	When the machine is idling: The paper feed sensor/BP (PS72) becomes active.	-	Take out paper from the bypass tray once, and remove any jammed paper
TRAY1	J1101	During the operation: Within a specified period of timer after the paper feed clutch/1 (CL1) becomes active, the paper feed sensor/1 (PS37) does not become active.	If a paper jam occurs during the printing process, main body stops after paper exit	Pull out the tray1 and remove any jammed paper.
	J1151	When the machine is idling: The paper feed sensor/1 (PS37) becomes active.	-	Pull out the tray
TRAY2	J1201	During the operation: Within a specified period of time after the paper feed clutch/2 (CL2) becomes active, the paper feed sensor/2 (PS42) does not become active.	If a paper jam occurs during the printing process, main body stops after paper exit.	Pull out the tray2 and remove any jammed paper.
	J1251	When the machine is idling: The paper feed sensor/2 (PS42) becomes active.	-	Pull out the tray2 and remove any jammed paper.
LU	J1501	During operation: Within a specified period of time after the pick-up solenoid (SD100) becomes active, the paper feed sensor (PS106) does not become active.	If a paper jam occurs during the printing process, main body stops after paper exit.	Open the LU upper door and remove any jammed paper
	J1502	During operation: Within a specified period of time after the pre-registration clutch (CL102) becomes active, the pre-registration sensor (PS107) does not become active.	If a paper jam occurs during the printing process, main body stops after paper exit.	Open the LU upper door and remove any jammed paper
	J1551	When the machine is idling: The paper feed sensor (PS106) becomes active.	-	Open the LU upper door and remove any jammed paper
	J1552	When the machine is idling: The pre-registration sensor (PS107) is active.	-	Open the LU upper door and remove any jammed paper.
PF-602m/707	J1601	During operation: The paper feed sensor/1 (PS2) does not become active within a specified period of time after the pick-up solenoid/1 (SD1) becomes active	If a paper jam occurs during the printing process, main body stops after paper exit.	Pull out the tray/3 and remove any jammed paper.
	J1602	During operation: The paper feed sensor/2 (PS10) does not become active within a specified period of time after the pick-up solenoid/2 (SD5) becomes active.	If a paper jam occurs during the printing process, main body stops after paper exit	Pull out the tray/4 and remove any jammed paper.
PF-602m	J1603	During operation: The vertical conveyance sensor/1 (PS17) does not become active within a specified period of time after the paper feed sensor/1 (PS2) becomes active.	If a paper jam occurs during the printing process, main body stops after paper exit.	Open the PF front door and the PF vertical conveyance door, and remove any jammed paper.
	J1604	During operation: The vertical conveyance sensor/2 (PS27) does not become active within a specified period of time after the vertical conveyance sensor/1 (PS17) becomes active.	If a paper jam occurs during the printing process, main body stops after paper exit.	Open the PF front door and the PF vertical conveyance door, and remove any jammed paper.
	J1605	During operation: The vertical conveyance sensor/3 (PS26) does not become active within a specified period of time after the vertical conveyance sensor/2 (PS27) becomes active.	If a paper jam occurs during the printing process, main body stops after paper exit.	Open the PF front door and the PF vertical conveyance door, and remove any jammed paper.
	J1606	During operation: The horizontal conveyance sensor/1 (PS18) does not become active within a specified period of time after the vertical conveyance sensor/3 (PS26) becomes active.	If a paper jam occurs during the printing process, main body stops after paper exit.	Open the PF front door and the PF vertical conveyance door, and remove any jammed paper.
	J1607	During operation: The horizontal conveyance sensor/1 (PS18) does not become active within a specified period of time after the paper feed sensor/2 (PS10) becomes active.	If a paper jam occurs during the printing process, main body stops after paper exit.	Pull out the tray/4 and remove any jammed paper.
	J1608	During operation: The pre-registration sensor (PS20) does not become active within a specified period of time after the horizontal conveyance sensor/1 (PS18) becomes active.	If a paper jam occurs during the printing process, main body stops after paper exit.	Open the PF front door, PF vertical conveyance door, horizontal conveyance door/Rt, and the horizontal conveyance door/Lt and remove any jammed paper.
	J1609	During operation: The horizontal conveyance sensor/2 (PS19) does not become active within a specified period of time after the preregistration sensor (PS20) becomes active.	If a paper jam occurs during the printing process, main body stops after paper exit.	Open the PF front door, PF vertical conveyance door, horizontal conveyance door/Rt, and the horizontal conveyance door/Lt and remove any jammed paper.
PF-602m/707	J1610	During operation: The multi feed detection board/R (MFDTBR) detects the multi feed.	Stops immediately.	Open the PF front door, PF vertical conveyance door, horizontal conveyance door/Rt, and the horizontal conveyance door/Lt and remove any jammed paper.
PF-602m	J1611	During operation: Double fed paper is separated during the conveyance and the latter conveyed paper becomes active the horizontal conveyance sensor/2 (PS19).	Stops immediately	Open the PF front door, PF vertical conveyance door, horizontal conveyance door/Rt, and the horizontal conveyance door/Lt and remove any jammed paper
PF-707	J1613	During operation: Within a specified period of time after the previous paper deactivates the paper feed sensor/3 (PS10), the paper suction sensor/3 (PS16) does not become active.	PF stops immediately. If a paper jam occurs during the printing process, main body stops after paper exit.	Pull out the tray/5 and remove any jammed paper.
	J1614	During operation: Within a specified period of time after the paper feed sensor/1 (PS2) becomes active, the vertical conveyance sensor/ 1 (PS28) does not become active.	PF stops immediately. If a paper jam occurs during the printing process, main body stops after paper exit.	Open the PF front door and the vertical conveyance door, and remove any jammed paper.
	J1615	Within a specified period of time after the vertical conveyance sensor/1 (PS28) becomes active, the vertical conveyance sensor/2 (PS29) does not become active	PF stops immediately. If a paper jam occurs during the printing process, main body stops after paper exit.	Open the PF front door and the vertical conveyance door, and remove any jammed paper.
	J1616	During operation: The vertical conveyance sensor/3 (PS30) does not become active within a specified period of time after the vertical conveyance sensor/2 (PS29) becomes active.	PF stops immediately. If a paper jam occurs during the printing process, main body stops after paper exit.	Open the PF front door and the vertical conveyance door, and remove any jammed paper.
	J1617	During operation: Within a specified period of time after the vertical conveyance sensor/3 (PS30) becomes active, the vertical conveyance sensor/4 (PS31) does not become active.	PF stops immediately. If a paper jam occurs during the printing process, main body stops after paper exit.	Open the PF front door and the vertical conveyance door, and remove any jammed paper.
	J1618	During operation: Within a specified period of time after the paper feed sensor/1 (PS2) becomes active, the exit sensor/1 (PS26) does not become active.	PF stops immediately. If a paper jam occurs during the printing process, main body stops after paper exit.	Open the PF front door and the PF vertical conveyance door, and remove any jammed paper.
	J1619	During operation: Within a specified period of time after the paper feed sensor/2 (PS6) or the vertical conveyance sensor/4 (PS31) become active, the loop sensor/Up (PS32) does not become active.	PF stops immediately. If a paper jam occurs during the printing process, main body stops after paper exit.	Pull out the tray/5 and remove any jammed paper.
	J1620	During operation: Within a specified period of time after the paper feed sensor/2 (PS6) becomes active, the exit sensor/2 (PS27) does not become active	PF stops immediately. If a paper jam occurs during the printing process, main body stops after paper exit.	Open the PF front door and the vertical conveyance door, and remove any jammed paper
	J1621	During operation: Within a specified period of time after the loop sensor/Up (PS32) becomes active, the pre-registration sensor (PS18) does not become active.	PF stops immediately. If a paper jam occurs during the printing process, main body stops after paper exit.	Open the PF front door and the vertical conveyance door/Up and remove any jammed paper.
	J1622	During operation: Within a specified period of time after the paper feed sensor/3 (PS10) becomes active, the loop sensor/Lw (PS17) does not become active.	PF stops immediately. If a paper jam occurs during the printing process, main body stops after paper exit.	Pull out the tray5 and remove any jammed paper.
	J1623	During operation: Within a specified period of time after the loop sensor/Lw (PS17) becomes active, the pre-registration sensor (PS18) does not become active.	PF stops immediately. If a paper jam occurs during the printing process, main body stops after paper exit.	Open the PF front door and the horizontal conveyance door/Lw, and remove any jammed paper.
	J1624	During operation: Within a specified period of time after the loop sensor/Up (PS32) becomes active, the horizontal conveyance sensor/1 (PS19) does not become active.	PF stops immediately. If a paper jam occurs during the printing process, main body stops after paper exit.	Open the PF front door and the horizontal conveyance door/Lt, and remove any jammed paper
	J1625	During operation: Within a specified period of time after the loop sensor/Lw (PS17) becomes active, the horizontal conveyance sensor/1 (PS19) does not become active	PF stops immediately. If a paper jam occurs during the printing process, main body stops after paper exit.	Open the PF front door and the horizontal conveyance door/Lt, and remove any jammed paper.
	J1626	Within a specified period of time after the horizontal conveyance sensor/1 (PS19) becomes active, the horizontal conveyance sensor/2 (PS20) does not become active.	PF stops immediately. If a paper jam occurs during the printing process, main body stops after paper exit.	Open the PF front door and the horizontal conveyance door/Lt, and remove any jammed paper.
	J1627	During operation: Within a specified period of time after the horizontal conveyance sensor/2 (PS20) becomes active, the horizontal conveyance sensor/3 (PS21) does not become active.	PF stops immediately. If a paper jam occurs during the printing process, main body stops after paper exit.	Open the PF front door and the horizontal conveyance door/Lt, and remove any jammed paper.
	J1628	During operation: Within a specified period of time after the horizontal conveyance sensor/3 (PS21) becomes active, the intermediate conveyance sensor/1 (PS12) does not become active.	PF stops immediately. If a paper jam occurs during the printing process, main body stops after paper exit.	Open the PF front door and the horizontal conveyance door/Lt, and remove any jammed paper.
	J1631	During operation: Within a specified period of time after the suction belt clutch/1 (CL15) becomes active, the paper feed sensor/1 (PS2) does not become active	PF stops immediately. If a paper jam occurs during the printing process, main body stops after paper exit.	Pull out tray3 and remove any jammed paper.
	J1632	During operation: Within a specified period of time after the suction belt clutch/2 (CL16) becomes active, the paper feed sensor/2 (PS6) does not become active.	PF stops immediately. If a paper jam occurs during the printing process, main body stops after paper exit.	Pull out tray4 and remove any jammed paper.
	J1633	During operation: Within a specified period of time after the suction belt clutch/3 (CL17) becomes active, the paper feed sensor/3 (PS10) does not become active.	PF stops immediately. If a paper jam occurs during the printing process, main body stops after paper exit.	Pull out the tray5 and remove any jammed paper.
PF-602m/707	J1651	When the machine is idling: The paper feed sensor/1 (PS2) becomes active while in idling.	-	Pull out the tray/3 and remove any jammed paper
PF-602m	J1652	When the machine is idling: The paper feed sensor/2 (PS10) becomes active while in idling.	-	Pull out the tray/4 and remove any jammed paper.
	J1653	When the machine is idling: The vertical conveyance sensor/1 (PS17) becomes active while in idling.	-	Open the PF front door and the PF vertical conveyance door, and remove any jammed paper.
	J1654	When the machine is idling: The vertical conveyance sensor/2 (PS27) becomes active while in idling.	-	Open the PF front door and the PF vertical conveyance door, and remove any jammed paper.
	J1655	When the machine is idling: The vertical conveyance sensor/3 (PS26) becomes active while in idling	-	Open the PF front door and the PF vertical conveyance door, and remove any jammed paper.
	J1656	When the machine is idling: The horizontal conveyance sensor/1 (PS18) becomes active.	-	Open the PF front door, PF vertical conveyance door, horizontal conveyance door/Rt, and the horizontal conveyance door/Lt and remove any jammed paper.
	J1657	When the machine is idling: The horizontal conveyance sensor/2 (PS19) becomes active while in idling	-	Open the PF front door, PF vertical conveyance door, horizontal conveyance door/Rt, and the horizontal conveyance door/Lt and remove any jammed paper.
	J1658	When the machine is idling: The pre-registration sensor (PS20) becomes active while in idling	-	Open the PF front door, PF vertical conveyance door, horizontal conveyance door/Rt, and the horizontal conveyance door/Lt and remove any jammed paper
PF-707	J1663	When the machine is idling: The paper feed sensor/3 (PS10) is active	-	Pull out the tray5 and remove any jammed paper.
	J1664	When the machine is idling: The vertical conveyance sensor/1 (PS28) becomes active.	-	Open the PF front door and the vertical conveyance door, and remove any jammed paper
	J1665	When the machine is idling: The vertical conveyance sensor/2 (PS29) is active.	-	Open the PF front door and the vertical conveyance door, and remove any jammed paper.
	J1666	When the machine is idling: The vertical conveyance sensor/3 (PS30) is active.	-	Open the PF front door and the vertical conveyance door, and remove any jammed paper.
	J1667	When the machine is idling: The vertical conveyance sensor/4 (PS31) becomes active.	-	Open the PF front door and the vertical conveyance door, and remove any jammed paper
	J1668	When the machine is idling: The loop sensor/Up (PS32) becomes active.	-	Open the PF front door and the horizontal conveyance door/Up, and remove any jammed paper
	J1670	When the machine is idling: The pre-registration sensor (PS18) is active.	-	Open the PF front door and the horizontal conveyance door/Lt, and remove any jammed paper.
	J1671	When the machine is idling: The loop sensor/Lw (PS17) is active.	-	Open the PF front door and the horizontal conveyance door/Lw, and remove any jammed paper.
	J1672	When the machine is idling, the horizontal conveyance sensor/1 (PS19) is active.	-	Open the PF front door and the horizontal conveyance door/Lt, and remove any jammed paper
	J1673	When the machine is idling: The horizontal conveyance sensor/2 (PS20) is active.	-	Open the PF front door and the horizontal conveyance door/Lt, and remove any jammed paper.
	J1674	When the machine is idling: The horizontal conveyance sensor/3 (PS21) is active.	-	Open the PF front door and the horizontal conveyance door/Lt, and remove any jammed paper.
	J1675	When the machine is idling: The exit sensor/1 (PS26) becomes active.	-	Open the PF front door and the vertical conveyance door, and remove any jammed paper.
	J1676	When the machine is idling: The exit sensor/2 (PS27) becomes active.	-	Open the PF front door and the vertical conveyance door, and remove any jammed paper.
Paper feed	J1701	During operation (when the machine prints the front side) : Within a specified period of time after the writing starts, the registration sensor (PS2) does not become active	If a paper jam occurs during the printing process, main body stops after paper exit.	Pull out the ADU and remove any jammed paper.
	J1702	During operation (when the machine prints the back side) : Within a specified period of time after the writing starts, the registration sensor (PS2) does not become active.	Stops immediately.	Pull out the ADU and remove any jammed paper.
	J1704	During operation: Within a specified period of time after the pre-registration clutch/2 (CL4) becomes active, the vertical conveyance sensor (PS36) does not become active.	If a paper jam occurs during the printing process, main body stops after paper exit.	Pull out the tray2 and remove any jammed paper.
	J1705	During operation: Within a specified period of time after the vertical conveyance sensor (PS36) becomes active, the intermediate conveyance sensor/1 (PS12) does not become active.	If a paper jam occurs during the printing process, main body stops after paper exit.	Open the vertical conveyance door and remove any jammed paper.
	J1706	During operation: Within a specified period of time after the pre-registration clutch/1 (CL3) becomes active, the intermediate conveyance sensor/1 (PS12) does not become active.	If a paper jam occurs during the printing process, main body stops after paper exit.	Open the vertical conveyance door and remove any jammed paper.
	J1707	During operation: Within a specified period of time after the pre-registration clutch (CL102) of the LU becomes active, the intermediate conveyance sensor/1 (PS12) does not become active	If a paper jam occurs during the printing process, main body stops after paper exit.	Open the LU front door and remove any jammed paper
	J1708	During operation: Within a specified period of time after the intermediate conveyance sensor/1 (PS12) becomes active, the intermediate conveyance sensor/2 (PS13) does not become active.	If a paper jam occurs during the printing process, main body stops after paper exit.	Pull out the ADU and remove any jammed paper.
	J1709	Within a specified period of time after the paper feed sensor/BP (PS72) becomes active, the intermediate conveyance sensor/2 (PS13) does not become active.	If the paper jam occurs during the printing process, the main body stops after the paper exit.	Take out paper from the bypass tray once, and remove any jammed paper.
	J1710	During operation: (PF-602m) Within a specified period of time after the horizontal conveyance sensor/2 (PS19) of PF, the intermediate conveyance sensor/1 (PS12) does not become active. (PF-707) Within a specified period of time after the horizontal conveyance sensor/3 (PS21) of PF becomes active, the intermediate conveyance sensor/1 (PS12) does not become active.	If a paper jam occurs during the printing process, main body stops after paper exit.	Open the PF front door, the PF vertical conveyance door, the horizontal conveyance door/Rt, and the horizontal conveyance door/Lt. Then remove any jammed paper.
	J1751	When the machine is idling: The vertical conveyance sensor (PS36) becomes active.	-	Open the vertical conveyance door and remove any jammed paper
	J1752	When the machine is idling: The intermediate conveyance sensor/1 (PS12) becomes active	-	Pull out the ADU and remove any jammed paper.
	J1753	When the machine is idling: The intermediate conveyance sensor/2 (PS13) becomes active.	-	Pull out the ADU and remove any jammed paper.
	J1754	When the machine is idling: The registration sensor (PS2) becomes active.	-	Pull out the ADU and remove any jammed paper.
Others	J1901	When the machine is printing: The vertical conveyance door sensor (PS35) becomes inactive during printing.	If a paper jam occurs during the printing process, main body stops after paper exit.	Close the vertical conveyance door.
LU	J1902	During operation: The LU upper door open jam or the LU front door open jam. The upper door sensor (PS100) or the front door sensor (PS115) becomes inactive during printing.	During the feeding paper of LU, the main body stops after the exit of the paper. The main body does not stop in the case other than LU paper feeding.	Close the LU upper door or the LU front door.
PF	J1903	During operation: One of PF front door open jam, PF vertical conveyance door open jam, horizontal conveyance door/Rt open jam, or horizontal conveyance door/Lt open jam. One of the front door open close sensor (PS23), vertical conveyance door sensor (PS24), horizontal conveyance door sensor/1 (PS21), or horizontal conveyance door sensor/2 (PS22) becomes inactive.	During the feeding paper of PF, the main body stops after the exit of the paper. The main body does not stop in the case other than PF paper feeding.	Close one of the PF front door, PF vertical conveyance door, horizontal conveyance door/Rt or horizontal conveyance door/Lt.
Registration	J3101	During operation: Within a specified period of time after the registration motor (M45) becomes active, the leading edge sensor (PS18) does not become active.	Stops immediately	Pull out the ADU and remove any jammed paper
	J3102	During operation: Within a specified period of time after the registration motor (M45) becomes active, the fusing paper exit sensor (PS22) does not become active.	Stops immediately	Pull out the ADU, and open the reverse exit section and the fusing paper exit plate assy. Check the inside of the fusing unit through the inspection window of the fusing unit. Remove any jammed paper. Adjust the position of the separate discharging plate assy in the following cases; paper leading edge wraps itself around the intermediate transfer belt or the 2nd transfer roller/Lw, paper leading edge hits the separate discharging plate assy. (Refer to I. 9.5 Separation discharging plate assy position adjustment)
Registration/Fusing	J3106	During operation: The fusing paper exit sensor (PS61) is switched from ON to OFF earlier than the specified period of time.	The main body stops immediately.	Pull out the ADU, and remove any jammed paper. Open the fusing paper exit plate assy, and then check the inside of the fusing unit. Check the inside of the fusing unit through the inspection window of the fusing unit. Remove any jammed paper.
	J3112	During operation: The centering sensor (PS1) detects the mis-centering of 5 mm or more.	Stop immediately	Pull out the ADU and remove any jammed paper.
Registration	J3120	During operation: (When a paper is fed from the PF-707.) When the fusing paper exit sensor (PS22) becomes active, the pre-registration sensor (PS18) of PF-707 does not become inactive. (During the back side output in the double sided mode) When PS22 becomes active, the ADU preregistration sensor (PS4) does not become inactive. (When a chain feed jam on the registration section detection setting (DIPSW52-5, 6) is enabled.) Within a specified period of time after the registration sensor (PS2) becomes active, PS2 does not become inactive. Alternatively, a chain feed jam is cleared and the remained paper is detected. (After the PS2 becomes active, the upstream sensor of the PS2 that is supposed to be inactive is active.)	Stop immediately	Pull out the ADU and remove any jammed paper.
	J3151	When the machine is idling: The leading edge sensor (PS18) becomes active.	-	Pull out the ADU and remove any jammed paper.
	J3152	When the machine is idling: The fusing loop sensor (PS23) becomes active.	-	Pull out the ADU and remove any jammed paper.
Fusing, Output	J3201	During operation: Within a specified period of time after the fusing paper exit sensor (PS22) becomes active, the paper exit sensor (PS27) does not become active.	Stops immediately.	Pull out the ADU and remove any jammed paper.
	J3202	During operation: Within a specified period of time after the fusing paper exit sensor (PS22) becomes active, the reverse exit sensor (PS10) does not become active.	Stops immediately.	Pull out the ADU and remove any jammed paper.
	J3203	During the operation (when the machine executes the back on the top output): Within a specified period of time after the reverse exit sensor (PS10) becomes active, the paper exit sensor (PS27) does not become active.	Stops immediately.	Pull out the ADU and remove any jammed paper.
	J3204	During operation: Within a specified period of time after the fusing paper exit sensor (PS22) becomes active, PS22 does not become inactive.	Stops immediately.	Pull out the ADU and remove any jammed paper.
	J3205	During operation: Within a specified period of time after the paper exit sensor (PS27) becomes active, PS27 does not become inactive.	Stops immediately.	Pull out the ADU and remove any jammed paper.
	J3206	During operation: Within a specified period of time after the fusing paper exit sensor (PS22) becomes inactive, the reverse exit sensor (PS10) does not become active.	Stops immediately.	Pull out the ADU and remove any jammed paper.
	J3207	During the operation (when the machine executes the back on the top output): Within a specified period of time after the paper exit sensor (PS27) becomes active, PS27 does not become inactive.	Stops immediately.	Pull out the ADU and remove any jammed paper.
	J3208	During operation: Before the registration starts for the first sheet, the remained paper activates the fusing paper exit sensor (PS22)	Stops immediately	Pull out the ADU and remove any jammed paper.
	J3209	During operation: Within a specified period of time after the fusing paper exit sensor (PS22) becomes inactive, the decurler sensor (PS11) does not become active.	Stops immediately	Pull out the ADU and remove any jammed paper.
	J3210	During the operation: When straight paper exit is performed, the paper exit sensor (PS2) of RU-517 does not become active within a specified period of time after the paper exit sensor (PS27) becomes active.	Stops immediately	Remove jammed paper from RU and the main body.
	J3211	During the operation: When reverse exit is performed, the paper exit sensor (PS2) of RU-517 does not become active within a specified period of time after the paper exit sensor (PS27) becomes active	Stops immediately	Remove jammed paper from RU and the main body.
	J3212	During the operation: When straight paper exit is performed, the paper exit sensor (PS2) of RU-517 does not become inactive within a specified period of time after the sensor becomes active.	Stops immediately.	Open the conveyance door of RU-517 and remove jammed paper.
	J3213	During the operation: When reverse exit is performed, the paper exit sensor (PS2) of RU-517 does not become inactive within a specified period of time after the sensor becomes active.	Stops immediately.	Open the conveyance door of RU-517 and remove jammed paper.
	J3251	When the machine is idling: The fusing paper exit sensor (PS22) becomes active.	-	Pull out the ADU and remove any jammed paper
	J3252	When the machine is idling: The paper exit sensor (PS27) is active.	-	Pull out the ADU and remove any jammed paper.
	J3253	When the machine is idling: The reverse exit sensor (PS10) is active.	-	Pull out the ADU and remove any jammed paper.
	J3254	When the machine is idling: The decurler sensor (PS11) is active.	-	Pull out the ADU and remove any jammed paper.
	J3255	When the machine is idling: The paper exit sensor (PS2) of RU-517 is active.	-	Open the conveyance door of RU-517 and remove jammed paper.
Others	J5101	During operation: The front door open jam. The front door sensor (PS31) becomes inactive during printing.	Stops immediately.	Close the front door.
RU-517	J5201	During operation: Conveyance door open jam. The conveyance door open and close detection sensor (PS1) became inactive during printing.	Stops immediately.	If there are jammed paper in RU or the main body, remove jammed paper and close the conveyance door.
DF	J6601	During operation: Within a specified period of time after the before read sensor (PS9) becomes active, the reverse registration sensor (PS8) does not become active.	The DF stops immediately. If a paper jam occurs during the printing process, the main body stops after output.	Open the original feed tray and the left cover. Then remove any jammed paper.
	J6603	During operation: Within a specified period of time after the after separate sensor (PS4) becomes active, it does not become inactive.	The DF stops immediately. If a paper jam occurs during the printing process, the main body stops after output.	Open the original feed tray and the left cover. Then remove any jammed paper
	J6604	During operation (when the machine outputs a 1-Sided original): Within a specified period of time after the before read sensor (PS9) becomes active, the exit sensor (PS5) does not become active.	The DF stops immediately. If a paper jam occurs during the printing process, the main body stops after output.	Open the original feed tray, and remove any jammed paper.
	J6605	During the operation (when the machine feeds the front side original): Within a specified period of time after the before read sensor (PS9) becomes active, PS9 does not become inactive.	The DF stops immediately. If a paper jam occurs during the printing process, the main body stops after output.	Open the DF, and remove any jammed paper.
	J6606	During operation: Within less than a specified period of time after the before read sensor (PS9) becomes inactive, PS9 becomes active.	The DF stops immediately. If a paper jam occurs during the printing process, the main body stops after output.	Open the DF, and remove any jammed paper
	J6607	During operation: When the operation is started, the original which is left in the DF is detected.	The DF stops immediately. If a paper jam occurs during the printing process, the main body stops after output.	Open the original feed tray, the left cover, or the DF. Then remove any jammed paper.
	J6611	During operation: Within a specified period of time after the reverse registration sensor (PS8) becomes active, PS8 does not become inactive	The DF stops immediately. If a paper jam occurs during the printing process, the main body stops after output.	Open the DF, and remove any jammed paper
	J6613	During operation: Within a specified period of time after the after separate sensor (PS4) becomes active, the registration sensor (PS3) does not become active.	The DF stops immediately. If a paper jam occurs during the printing process, the main body stops after output.	Open the original feed tray and the left cover. Then remove any jammed paper.
	J6614	During operation (when the machine outputs a 1-Sided original): Within a specified period of time after the exit sensor (PS5) becomes active, PS5 does not become inactive.	The DF stops immediately. If a paper jam occurs during the printing process, the main body stops after output.	Open the original feed tray, and remove any jammed paper.
	J6615	During operation (when the machine feeds the back side original): Within a specified period of time after the before read sensor (PS9) becomes active, PS9 does not become inactive	The DF stops immediately. If a paper jam occurs during the printing process, the main body stops after output.	Open the DF, and remove any jammed paper.
	J6621	During operation (when the machine feeds a back side original): Within a specified period of time after the reverse registration sensor (PS8) becomes active, the before read sensor (PS9) does not become active.	The DF stops immediately. If a paper jam occurs during the printing process, the main body stops after output.	Open the original feed tray and the left cover. Then remove any jammed paper.
	J6623	During operation: Within a specified period of time after the registration sensor (PS3) becomes active, PS3 does not become inactive.	The DF stops immediately. If a paper jam occurs during the printing process, the main body stops after output.	Open the original feed tray and the left cover. Then remove any jammed paper.
	J6624	During operation (when the machine outputs a 2-Sided original): Within a specified period of time after the before read sensor (PS9) becomes active, the exit sensor (PS5) does not become active.	The DF stops immediately. If a paper jam occurs during the printing process, the main body stops after output.	Open the original feed tray, and remove any jammed paper.
	J6633	During operation (when the machine feeds a front side original): Within a specified period of time after the registration sensor (PS3) becomes active, the before read sensor (PS9) does not become active.	The DF stops immediately. If a paper jam occurs during the printing process, the main body stops after output.	Open the original feed tray and the left cover. Then remove any jammed paper.
	J6634	During operation (when the machine outputs a 2-Sided original): Within a specified period of time after the exit sensor (PS5) becomes active, PS5 does not become inactive.	The DF stops immediately. If a paper jam occurs during the printing process, the main body stops after output.	Open the original feed tray, and remove any jammed paper.
	J6698	During operating: The read open close sensor (PS2) becomes inactive. Alternatively, the sensor detects that the DF is open.	The DF stops immediately. If a paper jam occurs during the printing process, the main body stops after output.	Close the left cover or DF.
	J6699	During operating: The paper feed open close sensor (PS1) become inactive.	The DF stops immediately. If a paper jam occurs during the printing process, the main body stops after output.	Close the original feed tray.
	J6701	When the machine is idling: The after separate sensor (PS4) becomes active.	-	Open the original feed tray and the left cover. Then remove any jammed paper.
	J6702	When the machine is idling: The registration sensor (PS3) becomes active.	-	Open the original feed tray and the left cover. Then, remove any jammed paper.
	J6703	When the machine is idling: The before read sensor (PS9) becomes active.	-	Open the DF, and remove any jammed paper.
	J6704	When the machine is idling: The exit sensor (PS5) becomes active.	-	Open the original feed tray, and remove any jammed paper.
	J6705	When the machine is idling: The reverse registration sensor (PS8) becomes active.	-	Open the original feed tray and the left cover. Then remove any jammed paper.
FS	J7101	During operation: (FS-531, FS-612) The front door and the PI upper door are opened while in printing. (FS-532) The FS front door open jam. The door switch (MS1) becomes inactive during printing.	The FS and the main body stop immediately.	Remove any jammed paper from the FS and the main body.
RU	J7102	During operation: (RU-510) The RU front door open jam. The interlock switch (MS1) becomes inactive while in the print.	The RU and the main body stop immediately.	Remove any jammed paper from the RU and the main body.
LS (1st tandem)	J7103	During operation: The LS front door open jam. The door switch (MS1) becomes inactive while in printing.	The LS and the main body stop immediately.	Remove any jammed paper from the LS and the main body
LS (2nd tandem)	J7104	During operation: The LS front door open jam. The door switch (MS1) becomes inactive while in printing.	The LS and the main body stop immediately.	Remove any jammed paper from the LS and the main body.
FD	J7105	During operation: The FD front door open jam. The front door switch (MS1) becomes inactive while in the print.	The FD and the main body stop immediately.	Remove any jammed paper from the FD and the main body.
SD -506	J7107	During operation: The SD front door/Rt open jam or the SD front door/Lt open jam. During printing, either the SD front door switch/Rt (MS1) or the SD front door switch/Lt (MS2) becomes inactive.	The SD and the main body stop immediately.	Remove any jammed paper from the SD and the main body.
SD-513	J7107	During operation: Front console open jam, entrance door open jam, fold & staple section door open jam. Either of the front console open close sensor (PS47), the entrance section door sensor (PS62), or the saddle stitching section door sensor (PS63) becomes inactive during printing.	The SD and the main body stop immediately.	Remove any jammed paper from the SD and the main body
PB	J7108	During operation: The PB front door open jam. During printing, the front door switch (SW2), book door switch (SW3), upper door switch (SW1), and the relay conveyance section door switch (MS3) become inactive.	The PB and the main body stop immediately.	Remove any jammed paper from the PB and the main body.
GP-501	J7109	During operation: The GP front door open jam. The door switch becomes inactive while in the print.	The GP and the main body stop immediately.	Remove any jammed paper from the GP and the main body.
RU	J7110	During operation: (RU-509) The RU front door open jam. The door switch (SW1) becomes inactive while in printing.	The RU and the main body stop immediately.	Remove any jammed paper from the RU and the main body.
GP-502	J7111	During operation: The GP front door open jam. The line Interrupt Interlock switch becomes inactive while in the print. (Error codes on the GP-502 panel: Error = 111 to 113)	The GP and the main body stop immediately.	Remove any jammed paper from the GP and the main body.
FS	J7216	During operation: (FS-531, FS-612) The FNS entrance sensor (PS4) does not become active within a specified period of time after the main body paper exit sensor (PS13) becomes active. Alternatively, "0" is selected for DIPSW27-2 when RU-516 is connected. (FS-532) Within a specified period of time after the paper exit sensor of the previous option becomes active, the FNS entrance sensor (PS1) becomes inactive	The FS and the main body stop immediately.	Remove any jammed paper from the FS and the main body. Select "1" for DIPSW27-2 when RU-516 is connected.
	J7217	During operation: (FS-531, FS-612) The main tray paper exit sensor (PS6) does not become active within a specified period of time after the FNS entrance sensor (PS4) becomes active. (FS-532) Within a specified period of time after the FNS entrance sensor (PS1) becomes active, the main tray paper exit sensor (PS10) does not become active	The FS and the main body stop immediately.	Remove any jammed paper from the FS and the main body.
	J7218	During operation: (FS-531, FS-612) (Staple) The stacker conveyance passage sensor (PS5) does not become active within a specified period of time after FNS entrance sensor (PS4) becomes active. (FS-532) Within a specified period of time after the FNS entrance sensor (PS1) becomes active, the paper overlap sensor/1 (PS32) does not become active.	The FS and the main body stop immediately.	Remove any jammed paper from the FS and the main body.
	J7219	During operation: (FS-531, FS-612) During stapling, within a specified period of time after the stacker entrance motor (M13) becomes active, the stacker entrance sensor (PS5) does not become inactive. While in any other operations than stapling, the PS5 does not become inactive within a specified period of time after it becomes active.	The FS and the main body stop immediately.	Remove any jammed paper from the FS and the main body.
	J7220	During operation: (FS-531, FS-612) While in stapling the small-size paper, the main tray exit sensor (PS6) does not become active within a specified period of time after the paper exit operation starts. (FS-532) During stapling a small size paper, within a specified period of time after the output operation starts, the main tray paper exit sensor (PS10) does not become active.	The FS and the main body stop immediately.	Remove any jammed paper from the FS and the main body.
	J7221	During operation: (FS-531, FS-612) While in stapling the large size paper, the main tray paper exit sensor (PS6) does not become inactive within a specified period of time after the paper start to be exited. (FS-532) During stapling a large size paper, within a specified period of time after the output operation starts, the main tray paper exit sensor (PS10) does not become inactive.	The FS and the main body stop immediately.	Remove any jammed paper from the FS and the main body. If there is a paper jam at the stacker entrance, change the "Simplex" of "Curl Adjustment" to +2.
	J7222	During operation: (FS-531, FS-612) The sub tray paper exit sensor (PS1) does not become active within a specified period of time after the FNS entrance sensor (PS4) becomes active. (FS-532) When the machine outputs in the sub tray, within a specified period of time after the paper exit sensor of the previous option becomes active, the sub tray exit sensor (PS8) does not become active.	The FS and the main body stop immediately.	Remove any jammed paper from the FS and the main body.
	J7223	During operation: (FS-531, FS-612) When the paper is output in the sub tray, within a specified period of time after the sub tray paper exit sensor (PS1) becomes active, the PS1 does not become inactive. (FS-532) When the machine outputs in the sub tray, within a specified period of time after the sub tray exit sensor (PS8) becomes active, the PS1 does not become inactive	The FS and the main body stop immediately.	Remove any jammed paper from the FS and the main body.
	J7224	During operation: (FS-612) The folding pass-through sensor (PS26) does not become active within a specified period of time after the staple completes. (FS-532) Within a specified period of time after the outputting of a paper bundle is completed, the stacker rear alignment sensor (PS44) does not become active.Alternatively, PS44 becomes inactive before a specified time since the small size paper alignment motor (M18) starts to excite when the standby position of exiting the paper bundle for the FD alignment plate is being moved	The FS and the main body stop immediately.	Remove any jammed paper from the FS and the main body.
	J7225	During operation: (FS-612) The folding paper exit sensor (PS25) does not become active within a specified period of time after the folding knife motor (M19) becomes active	The FS and the main body stop immediately.	Remove any jammed paper from the FS and the main body.
SD-510	J7225	During operation: While in the tri-folding mode, the folding exit sensor (PS113) does not become active within a specified period of time after the folding is completed.	The SD and the main body stop immediately.	Remove any jammed paper from the SD and the main body.
FS	J7226	During operation: (FS-612) The Folding paper exit sensor (PS25) does not become inactive within a specified period of time after PS25 becomes active.	The FS and the main body stop immediately.	Remove any jammed paper from the FS and the main body.
SD-510	J7226	During operation: PS113 does not become inactive within a specified period of time after the folding exit sensor (PS113) becomes active.	The SD and the main body stop immediately.	Remove any jammed paper from the SD and the main body.
FS	J7227	During operation: (FS-532) Within a specified period of time after the stacker entrance motor (M5) starts a reverse rotation, the paper overlap sensor/2 (PS33) does not become active.	The FS and the main body stop immediately.	Remove any jammed paper from the FS and the main body.
	J7228	During operation: (FS-531, FS-612) During the staple, the half-fold, the fold & staple and the tri-fold: Within a specified period of time after the stacker entrance sensor (PS5) becomes active, it does not become inactive. (FS-532) Within a specified period of time after the paper overlap sensor/1 (PS32) becomes active, PS32 does not become inactive.	The FS and the main body stop immediately.	Remove any jammed paper from the FS and the main body.
	J7229	During operation: (FS-531, FS-612) The main tray paper exit sensor (PS6) does not become inactive within a specified period of time after it becomes active. (straight and shift modes) It does not become inactive within a specified period of time after the sub tray paper exit sensor (PS1) becomes active. (while in straight mode) (FS-532) Within a specified period of time after the FNS entrance sensor (PS1) becomes inactive, the main tray paper exit sensor (PS10) does not become inactive.	The FS and the main body stop immediately.	Remove any jammed paper from the FS and the main body.
	J7230	During operation: (FS-521) While in stapling a small-size paper, the main tray paper exit sensor (PS10) does not become inactive within a specified period of time after the PS10 becomes active. (FS-531, FS-612) While in stapling the small-size paper, the main tray paper exit sensor (PS6) does not become inactive within a specified period of time after the PS6 becomes active. (FS-532) Within a specified period of time after the stapling a small size paper starts, the main tray paper exit sensor (PS10) does not become inactive.	The FS and the main body stop immediately.	Remove any jammed paper from the FS and the main body.
	J7231	During operation: (FS-532) Within a specified period of time after the stacker entrance motor (M5) starts a forward rotation, the paper overlap sensor/2 (PS33) does not become inactive. Paper which is 253 mm or more in the sub scan direction is not target.	The FS and the main body stop immediately.	Remove any jammed paper from the FS and the main body.
PI	J7235	During operation: (PI-502 for FS-531 and FS-612) Within a specified period of time after the conveyance clutch/Lw (CL202) becomes active, the paper pass-through sensor/Lw (PS206) does not become active. (PI-502 for FS-532) Within a specified period of time after the conveyance clutch/Lw (CL202) becomes active, the paper pass-through sensor/Lw (PS206) does not become active. Alternatively, within a specified period of time after the paper passthrough sensor/Up (PS201) becomes active, the paper pass-through sensor/Lw (PS206) does not become active.	The FS and the main body stop immediately.	Remove any jammed paper from the FS and the main body.
PI	J7235	During operation: (PI-502 for FS-531 and FS-612) Within a specified period of time after the conveyance clutch/Lw (CL202) becomes active, the paper pass-through sensor/Lw (PS206) does not become active. (PI-502 for FS-532) Within a specified period of time after the conveyance clutch/Lw (CL202) becomes active, the paper pass-through sensor/Lw (PS206) does not become active. Alternatively, within a specified period of time after the paper passthrough sensor/Up (PS201) becomes active, the paper pass-through sensor/Lw (PS206) does not become active.	The FS and the main body stop immediately.	Remove any jammed paper from the FS and the main body.
FS	J7236	During operation: (FS-532) Within a specified period of time after the FNS entrance sensor (PS1) becomes active, the paper overlap sensor/2 (PS33) does not active	The FS and the main body stop immediately.	Remove any jammed paper from the FS and the main body.
FS	J7236	During operation: (FS-532) Within a specified period of time after the FNS entrance sensor (PS1) becomes active, the paper overlap sensor/2 (PS33) does not active	The FS and the main body stop immediately.	Remove any jammed paper from the FS and the main body.
SD-510	J7237	During operation: Within a specified period of time after the paper overlap sensor/2 (PS33) becomes active, the SD entrance sensor (PS102) does not become active.	The SD and the main body stop immediately.	Remove any jammed paper from the SD and the main body.
SD-510	J7237	During operation: Within a specified period of time after the paper overlap sensor/2 (PS33) becomes active, the SD entrance sensor (PS102) does not become active.	The SD and the main body stop immediately.	Remove any jammed paper from the SD and the main body.
PK	J7243	During operation: (PK-512/513) Within a specified period of time after the punch shift motor (M302) becomes active, the punch shift home sensor (PS303) does not become active. (PK-522) Even after a specified period of time has passed after the punch shift motor (M302) becomes active, the paper size sensor (PS305) does not detect the paper edge, or, even after a specified period of time has passed after the punch motor (M301) becomes active, the punch home sensor/1 (PS301) or the punch home sensor/2 (PS307) does not become active.	The FS and the main body stop immediately.	Remove any jammed paper from the FS and the main body
PK	J7243	During operation: (PK-512/513) Within a specified period of time after the punch shift motor (M302) becomes active, the punch shift home sensor (PS303) does not become active. (PK-522) Even after a specified period of time has passed after the punch shift motor (M302) becomes active, the paper size sensor (PS305) does not detect the paper edge, or, even after a specified period of time has passed after the punch motor (M301) becomes active, the punch home sensor/1 (PS301) or the punch home sensor/2 (PS307) does not become active.	The FS and the main body stop immediately.	Remove any jammed paper from the FS and the main body
FS	J7248	During operation: (FS-612) The folding pass-through sensor (PS26) does not become active within a specified period of time after the PS26 becomes active.	The FS and the main body stop immediately.	Remove any jammed paper from the FS and the main body.
FS	J7248	During operation: (FS-612) The folding pass-through sensor (PS26) does not become active within a specified period of time after the PS26 becomes active.	The FS and the main body stop immediately.	Remove any jammed paper from the FS and the main body.
SD-510	J7248	During operation: The stacker empty sensor/Up (PS101) does not become inactive within a specified period of time after the folding operation started.	The SD and the main body stop immediately.	Remove any jammed paper from the SD and the main body
SD-510	J7248	During operation: The stacker empty sensor/Up (PS101) does not become inactive within a specified period of time after the folding operation started.	The SD and the main body stop immediately.	Remove any jammed paper from the SD and the main body
PI	J7249	During operation: (PI-502 for FS-531 and FS-612) Within a specified period of time after the conveyance clutch/Up (CL201) becomes active, the paper pass-through sensor/Up (PS201) does not become active. (PI-502 for FS-532) Within a specified period of time after the pickup solenoid/Up (SD201) becomes active, the paper pass-through sensor/Up (PS201) does not become active.	The FS and the main body stop immediately.	Open the PI upper door and remove any jammed paper.
PI	J7249	During operation: (PI-502 for FS-531 and FS-612) Within a specified period of time after the conveyance clutch/Up (CL201) becomes active, the paper pass-through sensor/Up (PS201) does not become active. (PI-502 for FS-532) Within a specified period of time after the pickup solenoid/Up (SD201) becomes active, the paper pass-through sensor/Up (PS201) does not become active.	The FS and the main body stop immediately.	Open the PI upper door and remove any jammed paper.
	J7250	During operation: The FNS entrance sensor (PS4) does not become active within a specified period of time after the paper passage sensor/ Up (PS201) becomes active.	The FS and the main body stop immediately.	Open the PI upper door and remove any jammed paper.
	J7250	During operation: The FNS entrance sensor (PS4) does not become active within a specified period of time after the paper passage sensor/ Up (PS201) becomes active.	The FS and the main body stop immediately.	Open the PI upper door and remove any jammed paper.
	J7251	During operation: The FNS entrance sensor (PS4) does not become active within a specified period of time after the paper passage sensor/ Lw (PS206) becomes active.	The FS and the main body stop immediately.	Open the PI upper door and remove any jammed paper.
	J7251	During operation: The FNS entrance sensor (PS4) does not become active within a specified period of time after the paper passage sensor/ Lw (PS206) becomes active.	The FS and the main body stop immediately.	Open the PI upper door and remove any jammed paper.
SD-510	J7265	During operation: While in the tri-folding mode, the 2nd folding sensor (PS112) does not become active within a specified period of time after 1st folding starts.	The SD and the main body stop immediately.	Remove any jammed paper from the SD and the main body
SD-510	J7265	During operation: While in the tri-folding mode, the 2nd folding sensor (PS112) does not become active within a specified period of time after 1st folding starts.	The SD and the main body stop immediately.	Remove any jammed paper from the SD and the main body
	J7266	During operation: Within a specified period of time after the SD entrance sensor (PS102) becomes active, PS102 does not become inactive.	The SD and the main body stop immediately.	Remove any jammed paper from the SD and the main body.
	J7266	During operation: Within a specified period of time after the SD entrance sensor (PS102) becomes active, PS102 does not become inactive.	The SD and the main body stop immediately.	Remove any jammed paper from the SD and the main body.
	J7272	During operation: Stapler bucking, staple error (non-staple).	The SD and the main body stop immediately.	Remove any jammed paper from the SD and the main body.
FS	J7281	During operation: (FS-531, FS-612) The stapler motor home sensor/Fr (PS31) and the clincher motor home sensor/Fr (PS33) do not become active within a specified period of time after the stapler motor/Fr (M14) and the clincher motor/Fr (M15) become active. (FS-532) Within a specified period of time after the stapler motor (M31) becomes active, the stapler home sensor (PS40) does not become active.	The FS and the main body stop immediately.	Remove any jammed paper from the FS and the main body.
FS	J7281	During operation: (FS-531, FS-612) The stapler motor home sensor/Fr (PS31) and the clincher motor home sensor/Fr (PS33) do not become active within a specified period of time after the stapler motor/Fr (M14) and the clincher motor/Fr (M15) become active. (FS-532) Within a specified period of time after the stapler motor (M31) becomes active, the stapler home sensor (PS40) does not become active.	The FS and the main body stop immediately.	Remove any jammed paper from the FS and the main body.
	J7282	During operation: (FS-531, FS-612) The stapler motor home sensor/Rr (PS30) and the clincher motor home sensor/Rr (PS32) do not become active within a specified period of time after the stapler motor/Rr (M9) and the clincher motor/Rr (M10) become active.	The FS and the main body stop immediately.	Remove any jammed paper from the FS and the main body.
	J7282	During operation: (FS-531, FS-612) The stapler motor home sensor/Rr (PS30) and the clincher motor home sensor/Rr (PS32) do not become active within a specified period of time after the stapler motor/Rr (M9) and the clincher motor/Rr (M10) become active.	The FS and the main body stop immediately.	Remove any jammed paper from the FS and the main body.
	J7283	During operation: (FS-531, FS-612) The stapler motor home sensor/Rr (PS30), the stapler motor home sensor/Fr (PS31), the clincher motor home sensor/Rr (PS32), and the clincher motor home sensor/Fr (PS33) do not become active within a specified period of time after the stapler motor/Rr (M9), the stapler motor/Fr (M14), the clincher motor/Rr (M10), and the clincher motor/Fr (M15) become active	The FS and the main body stop immediately.	Remove any jammed paper from the FS and the main body.
	J7283	During operation: (FS-531, FS-612) The stapler motor home sensor/Rr (PS30), the stapler motor home sensor/Fr (PS31), the clincher motor home sensor/Rr (PS32), and the clincher motor home sensor/Fr (PS33) do not become active within a specified period of time after the stapler motor/Rr (M9), the stapler motor/Fr (M14), the clincher motor/Rr (M10), and the clincher motor/Fr (M15) become active	The FS and the main body stop immediately.	Remove any jammed paper from the FS and the main body.
	J7290	During operation: (FS-531, FS-612) FS does not stop within a specified period of time after the operation stop signal is transmitted from the main body to the FS. (FS-532) FS or SD does not stop within a specified period of time after the operation stop signal is transmitted from the main body to the FS or SD.	The FS and the main body stop immediately.	Remove any jammed paper from the FS and the main body.
	J7290	During operation: (FS-531, FS-612) FS does not stop within a specified period of time after the operation stop signal is transmitted from the main body to the FS. (FS-532) FS or SD does not stop within a specified period of time after the operation stop signal is transmitted from the main body to the FS or SD.	The FS and the main body stop immediately.	Remove any jammed paper from the FS and the main body.
	J7301	When the machine is idling: (FS-531, FS-612) When the machine is idling, the main tray paper exit sensor (PS6) is active. (FS-532) When the machine is idling, the main tray paper exit sensor (PS10) is active.	-	Open the FS front door and the jam release lever, and remove any jammed paper.
	J7301	When the machine is idling: (FS-531, FS-612) When the machine is idling, the main tray paper exit sensor (PS6) is active. (FS-532) When the machine is idling, the main tray paper exit sensor (PS10) is active.	-	Open the FS front door and the jam release lever, and remove any jammed paper.
	J7302	When the machine is idling: (FS-531, FS-612) When the machine is idling, the stacker entrance sensor (PS5) is active. (FS-532) When the machine is idling, the paper overlap sensor/1 (PS32) becomes active.	-	Open the FS front door and the jam release lever, and remove any jammed paper.
	J7302	When the machine is idling: (FS-531, FS-612) When the machine is idling, the stacker entrance sensor (PS5) is active. (FS-532) When the machine is idling, the paper overlap sensor/1 (PS32) becomes active.	-	Open the FS front door and the jam release lever, and remove any jammed paper.
	J7303	When the machine is idling: (FS-532) The stacker upper sensor (PS43) is active	-	Open the FS front door and the jam release lever, and remove any jammed paper.
	J7303	When the machine is idling: (FS-532) The stacker upper sensor (PS43) is active	-	Open the FS front door and the jam release lever, and remove any jammed paper.
	J7304	When the machine is idling: (FS-532) The paper overlap sensor/2 (PS33) becomes active.	-	Open the FS front door and the jam release lever, and remove any jammed paper.
	J7304	When the machine is idling: (FS-532) The paper overlap sensor/2 (PS33) becomes active.	-	Open the FS front door and the jam release lever, and remove any jammed paper.
	J7305	When the machine is idling: (FS-531, FS-612) When the machine is idling, the FNS entrance sensor (PS4) is active. (FS-532) When the machine is idling, the FNS entrance sensor (PS1) is active.	-	Open the FS front door and the jam release lever, and remove any jammed paper.
	J7305	When the machine is idling: (FS-531, FS-612) When the machine is idling, the FNS entrance sensor (PS4) is active. (FS-532) When the machine is idling, the FNS entrance sensor (PS1) is active.	-	Open the FS front door and the jam release lever, and remove any jammed paper.
	J7307	When the machine is idling: (FS-531, FS-612) When the machine is idling, the sub tray paper exit sensor (PS1) is active. (FS-532) When the machine is idling, the sub tray exit sensor (PS8) is active	-	Open the FS front door and the jam release lever, and remove any jammed paper.
	J7307	When the machine is idling: (FS-531, FS-612) When the machine is idling, the sub tray paper exit sensor (PS1) is active. (FS-532) When the machine is idling, the sub tray exit sensor (PS8) is active	-	Open the FS front door and the jam release lever, and remove any jammed paper.
	J7308	When the machine is idling: (FS-531, FS-612) The stacker empty sensor (PS20) is active during the exiting jam. (FS-532) When the machine is idling, the stacker empty sensor (PS28) becomes active.	The FS and the main body stop immediately.	Open the FS front door and the jam release lever, and remove any jammed paper.
	J7308	When the machine is idling: (FS-531, FS-612) The stacker empty sensor (PS20) is active during the exiting jam. (FS-532) When the machine is idling, the stacker empty sensor (PS28) becomes active.	The FS and the main body stop immediately.	Open the FS front door and the jam release lever, and remove any jammed paper.
	J7309	When the machine is idling: (FS-612) The folding pass-through sensor (PS26) becomes active while in idling.	The FS and the main body stop immediately.	Open the FS front door and the jam release lever, and remove any jammed paper.
	J7309	When the machine is idling: (FS-612) The folding pass-through sensor (PS26) becomes active while in idling.	The FS and the main body stop immediately.	Open the FS front door and the jam release lever, and remove any jammed paper.
SD-510	J7309	When the machine is idling: The stacker empty sensor (PS101) becomes active while in idling.	-	Open the FS front door and the jam release lever, and remove any jammed paper.
SD-510	J7309	When the machine is idling: The stacker empty sensor (PS101) becomes active while in idling.	-	Open the FS front door and the jam release lever, and remove any jammed paper.
FS	J7310	When the machine is idling: (FS-612) The folding paper exit sensor (PS25) becomes active while in idling	The FS and the main body stop immediately.	Open the FS front door and the jam release lever, and remove any jammed paper.
FS	J7310	When the machine is idling: (FS-612) The folding paper exit sensor (PS25) becomes active while in idling	The FS and the main body stop immediately.	Open the FS front door and the jam release lever, and remove any jammed paper.
SD-510	J7310	When the machine is idling: The folding exit sensor (PS113) becomes active while in idling.	-	Open the FS front door and the jam release lever, and remove any jammed paper.
SD-510	J7310	When the machine is idling: The folding exit sensor (PS113) becomes active while in idling.	-	Open the FS front door and the jam release lever, and remove any jammed paper.
PI	J7314	When the machine is idling: The paper passage sensor/Lw (PS206) becomes active while in idling.	-	Open the FS front door and the jam release lever, and remove any jammed paper.
PI	J7314	When the machine is idling: The paper passage sensor/Lw (PS206) becomes active while in idling.	-	Open the FS front door and the jam release lever, and remove any jammed paper.
FS	J7316	When the machine is idling: (FS-532) The paper overlap sensor/3 (PS5) is active.	-	Open the FS front door and the jam release lever, and remove any jammed paper
FS	J7316	When the machine is idling: (FS-532) The paper overlap sensor/3 (PS5) is active.	-	Open the FS front door and the jam release lever, and remove any jammed paper
PI	J7317	When the machine is idling: The paper passage sensor/Up (PS201) becomes active while in idling.	-	Open the FS front door and the jam release lever, and remove any jammed paper.
PI	J7317	When the machine is idling: The paper passage sensor/Up (PS201) becomes active while in idling.	-	Open the FS front door and the jam release lever, and remove any jammed paper.
SD-510	J7318	When the machine is idling: The SD entrance sensor (PS102) is active.	-	Open the FS front door and the jam release lever, and remove any jammed paper.
SD-510	J7318	When the machine is idling: The SD entrance sensor (PS102) is active.	-	Open the FS front door and the jam release lever, and remove any jammed paper.
	J7319	When the machine is idling: The 2nd folding sensor (PS112) becomes active while in idling.	-	Open the FS front door and the jam release lever, and remove any jammed paper.
	J7319	When the machine is idling: The 2nd folding sensor (PS112) becomes active while in idling.	-	Open the FS front door and the jam release lever, and remove any jammed paper.
GP-502	J7320	When the machine is idling: The bypass direct entry sensor becomes active.	-	Remove any jammed paper from the GP and the main body.
GP-502	J7320	When the machine is idling: The bypass direct entry sensor becomes active.	-	Remove any jammed paper from the GP and the main body.
	J7321	When the machine is idling: The bypass direct exit sensor becomes active.	-	Remove any jammed paper from the GP and the main body.
	J7322	When the machine is idling: The tall vertical entry sensor becomes active.	-	Remove any jammed paper from the GP and the main body.
	J7323	When the machine is idling: The punch sensor becomes active.	-	Remove any jammed paper from the GP and the main body.
	J7324	When the machine is idling: The pullback sensor becomes active.	-	Remove any jammed paper from the GP and the main body
	J7325	When the machine is idling: The paper present sensor (lower tray) becomes active.	-	Remove any jammed paper from the GP and the main body.
	J7326	When the machine is idling: The jam sensor at the document drawer becomes active.	-	Remove any jammed paper from the GP and the main body.
RU	J7340	When the machine is idling: (RU-510) Either of the entrance sensor (PS1), the entrance jam sensor (PS6), or the gate home sensor (PS7) becomes active while in idling.	-	Open the front door, and remove any jammed paper.
	J7341	When the machine is idling: (RU-510) Either of the stacker jam sensor (PS5) or the stack switch home sensor (PS8) becomes active while in idling.	-	Open the front door, and remove any jammed paper.
	J7342	When the machine is idling: (RU-510) The paper exit sensor (PS2) becomes active while in idling.	-	Open the front door, and remove any jammed paper.
LS(1st tandem)	J7350	During operation: The entrance sensor (PS4) becomes active while in idling.	-	Open the LS front door, open then entrance conveyance jam release lever and remove any jammed paper.
	J7351	When the machine is idling: The sub tray paper exit sensor (PS10) becomes active while in idling	-	Open the LS sub tray cover, and remove any jammed paper
	J7352	When the machine is idling: Either of the conveyance sensor/1 (PS7), the conveyance sensor/2 (PS16), or the conveyance sensor/3 (PS17) becomes active while in idling.	-	Open the LS jam door, and remove any jammed paper.
	J7353	When the machine is idling: The coupling exit sensor (PS18) becomes active while in idling.	-	Open the LS front door, open then the coupling exit jam release lever and remove any jammed paper.
LS (2st tandem)	J7354	During operation: The entrance sensor (PS4) becomes active while in idling	-	Open the LS front door, open then entrance conveyance jam release lever and remove any jammed paper.
	J7355	When the machine is idling: The sub tray paper exit sensor (PS10) becomes active while in idling.	-	Open the LS sub tray cover, and remove any jammed paper.
	J7356	When the machine is idling: Either of the conveyance sensor/1 (PS7), the conveyance sensor/2 (PS16), or the conveyance sensor/3 (PS17) becomes active while in idling.	-	Open the LS jam door, and remove any jammed paper.
	J7357	When the machine is idling: The coupling exit sensor (PS18) becomes active while in idling.	-	Open the LS front door, open then the coupling exit jam release lever and remove any jammed paper.
FD	J7358	When the machine is idling: Either of the FD entrance sensor (PS1), the punch conveyance sensor (PS5), or the punch registration sensor (PS6) becomes active while in idling.	-	Open the FD front door, the open the entrance conveyance jam release lever/1, the entrance conveyance jam release lever/2, the punch conveyance jam release lever/1, and the punch conveyance jam release lever/2, and then remove any jammed paper
	J7359	When the machine is idling: Either of the intermediate conveyance sensor (PS13), the sub tray paper exit sensor (PS16), or the main tray paper exit sensor (PS18) becomes active while in idling	-	Open the FD front door and the intermediate conveyance jam lever, and remove any jammed paper.
	J7360	When the machine is idling: Either of the 1st folding conveyance sensor (PS51), the 2nd folding conveyance sensor (PS53), the 3rd folding conveyance sensor (PS54), the S size conveyance sensor (PS58), the folding entrance sensor (PS52), or the folding exit sensor (PS2) becomes active while in idling	-	Open the FD front door, pull out the folding conveyance section. Open the folding conveyance jam release lever/1, the folding conveyance jam release lever/2, the folding conveyance jam release lever/3, the folding conveyance jam release lever/4, and the folding conveyance jam release lever/5. Remove any jammed paper.
	J7361	When the machine is idling: Either of the PI conveyance sensor/Up (PS31), the PI conveyance sensor/Lw (PS37), or the PI exit sensor (PS4) becomes active while in idling.	-	Open the FD upper door and remove any jammed paper. When the jammed paper gets in the PI exit, open the entrance conveyance jam release lever/1 and remove the jammed paper
RU	J7365	When the machine is idling: (RU-509) The entrance sensor (PS1) becomes active while in idling.	-	Open the front door, and remove any jammed paper.
	J7366	When the machine is idling: (RU-509) Either of the de-curler entrance sensor (PS2) or the humidification section entrance sensor (PS7) becomes active while in idling.	-	Open the front door, and remove any jammed paper.
	J7367	When the machine is idling: (RU-509) Either of the color density detection timing sensor (PS3), paper exit conveyance sensor (PS4) or the paper exit sensor (PS12) becomes active while in idling.	-	Open the front door, and remove any jammed paper.
SD-506	J7368	When the machine is idling: The entrance sensor (PS1) becomes active while in idling.	-	Open the SD front door/Rt and remove any jammed paper
SD-513	J7368	When the machine is idling: Either of the entrance sensor/1 (PS59) or the reverse stacker entrance sensor (PS211) becomes active during idling	-	Open the SD front door and remove any jammed paper.
SD-506	J7369	When the machine is idling: Either of the horizontal conveyance sensor/1 (PS2), the horizontal conveyance sensor/2 (PS3), or the sub tray exit sensor (PS11) becomes active while in idling	-	Open the SD front door/Rt and remove any jammed paper.
SD-513	J7369	When the machine is idling: Either of the horizontal conveyance sensor/2 (PS1), the horizontal conveyance sensor/3 (PS3), the sub tray paper exit sensor (PS10), or the horizontal conveyance sensor/1 (PS72) is active.	-	Open the SD front door and the front console, and then remove any jammed paper.
SD-506	J7370	When the machine is idling: The horizontal conveyance exit sensor (PS4) becomes active while in idling.	-	Open the SD front door/Lt and remove any jammed paper.
SD-513	J7370	When the machine is idling: The horizontal conveyance sensor/4 (PS5) is active.	-	Open the SD front door and the front console, and then remove any jammed paper.
SD-506	J7371	When the machine is idling: Either of the right angle conveyance sensor/1 (PS5) or the right angle conveyance sensor/2 (PS6) becomes active while in idling.	-	Open the SD front door/Rt and remove any jammed paper.
SD-513	J7371	When the machine is idling: Either of the entrance sensor/2 (PS60), the registration roller sensor (PS98), or the reverse stacker empty sensor (PS101) is active.	-	Open the SD front door and remove any jammed paper.
SD-506	J7372	When the machine is idling: Either of the folding sensor/1 (PS7), the folding passage sensor (PS8), the tri-folding exit sensor (PS9), or the folding sensor/2 (PS44) becomes active while in idling.	-	Open the SD front door/Lt and remove any jammed paper.
SD-513	J7372	When the machine is idling: Either of the trifolding conveyance sensor (PS12), the 2nd folding sensor (PS20), the half folding paper exit sensor (PS22), or the tri-folding tray paper exit sensor (PS74) becomes active.	-	Open the SD front console and the sub tray, and then remove any jammed paper.
SD-506	J7373	When the machine is idling: The saddle stitching paper sensor (PS13) becomes active while in idling.	-	Open the SD front door/Lt and remove any jammed paper.
SD-513	J7373	When the machine is idling: The saddle stitching stacker empty sensor (PS23), or the booklet set unit empty sensor becomes active.	-	Open the SD front door, and then remove any jammed paper.
SD-506	J7374	When the machine is idling: Either of the bundle sensor/1 (PS14), the bundle sensor/2 (PS15), the bundle sensor/4 (PS54), or the bundle exit sensor/2 (PS57) becomes active while in idling.	-	Open the SD front door/Lt and remove any jammed paper.
SD-513	J7374	When the machine is idling: Either of the clamp empty sensor (PS37), the gripper paper sensor (PS38), or the booklet tray paper exit sensor (PS43) is active.	-	Open the SD front console and the booklet tray section, and then remove any jammed paper.
PB	J7380	When the machine is idling: Either of the entrance sensor (PS1), the SC entrance sensor (PS2), the cover paper entrance sensor (PS3), or the sub tray paper exit sensor (PS4) becomes active while in idling	-	Open the PB front door or the upper door, and remove any jammed paper.
	J7381	When the machine is idling: The SC paper detection sensor (PS16) becomes active while in idling.	-	Open the PB upper door, and remove any jammed paper.
	J7382	When the machine is idling: The clamp paper sensor (PS28) becomes active while in idling.	-	Open the PB front door, pull out the clamp section, and remove any jammed paper.
	J7383	When the machine is idling: Either of the cover paper switchback sensor (PS44), the cover paper sensor/Rt (PS45), or the cover paper sensor/Lt (PS46) becomes active while in idling	-	Open the PB front door, and remove any jammed paper.
	J7384	When the machine is idling: The book end fence sensor (PS61) becomes active while in idling.	-	Open the PB stacker door, and remove any jammed paper
	J7385	When the machine is idling: The cover paper conveyance sensor/1 (PS75), the cover paper conveyance sensor/2 (PS76), the cover paper conveyance sensor/3 (PS77), the cover paper conveyance sensor/4 (PS78), and the cover paper conveyance sensor/5 (PS79) become active while in idling.	-	Pull out the paper feed tray, and remove any jammed paper.
	J7386	When the machine is idling: The relay conveyance entrance sensor (PS93), the relay conveyance intermediate sensor (PS91) and the relay conveyance exit sensor (PS94) become active during idling	-	Open the PB relay conveyance door and remove any jammed paper.
GP-501	J7390	When the machine is idling: The enter sensor (S1) becomes active.	-	Open the GP front door, the bypass panel cover, and remove the any jammed paper
	J7391	When the machine is idling: The stepper 1 speed sensor (S2) becomes active.	-	Open the GP front door, the entrance aligner panel, and remove the any jammed paper.
	J7392	When the machine is idling: The bypass sensor (S8) becomes active.	-	Open the GP front door, the bypass panel cover, and remove the any jammed paper.
	J7393	When the machine is idling: The exit sensor (S7) becomes active.	-	Open the GP front door, the bypass panel cover, and remove the any jammed paper.
	J7394	When the machine is idling: The punch flag sensor (S9) becomes active.	-	Open the GP front door, the entrance aligner panel, the bottom U-channel, and remove the any jammed paper.
	J7395	When the machine is idling: The u-channel sensor (S4) becomes active.	-	Open the GP front door, the bottom U-channel, and remove the any jammed paper.
	J7396	When the machine is idling: The backstop sensor (S5) becomes active.	-	Open the GP front door, the bottom U-channel, and remove the any jammed paper
	J7397	When the machine is idling: The stepper 2 speed sensor (S6) becomes active.	-	Open the GP front door, the exit aligner panel, and remove the any jammed paper.
LS (1st tandem)	J7401	During operation: The entrance sensor (PS4) does not become active within a specified period of time after the main body paper exit sensor (PS3) becomes active.	The LS and the main body stop immediately.	jammed paper. LS (1st tandem) J-7401 During operation: The entrance sensor (PS4) does not become active within a specified period of time after the main body paper exit sensor (PS3) becomes active. The LS and the main body stop immediately. Remove any jammed paper from the LS and the main body.
	J7402	During operation: The entrance sensor (PS4) does not become inactive within a specified period of time after it becomes active.	The LS and the main body stop immediately.	Remove any jammed paper from the LS and the main body.
	J7403	During operation: The sub tray exit sensor (PS10) does not become active within a specified period of time after the entrance sensor (PS4) becomes active.	The LS and the main body stop immediately.	Remove any jammed paper from the LS and the main body.
	J7404	During operation: The sub tray paper exit sensor (PS10) does not become inactive within a specified period of time after it becomes active	The LS and the main body stop immediately.	Remove any jammed paper from the LS and the main body.
	J7405	During operation: The conveyance sensor/1 (PS7) does not become active within a specified period of time after the entrance sensor (PS4) becomes active	The LS and the main body stop immediately.	Remove any jammed paper from the LS and the main body.
	J7406	During operation: The conveyance sensor/1 (PS7) does not become active within a specified period of time after it becomes active	The LS and the main body stop immediately.	Remove any jammed paper from the LS and the main body.
	J7407	During operation: The conveyance sensor/2 (PS16) does not become active within a specified period of time after the conveyance sensor/1 (PS7) becomes active	The LS and the main body stop immediately.	Remove any jammed paper from the LS and the main body.
	J7408	During operation: The conveyance sensor/2 (PS16) does not become inactive within a specified period of time after it becomes active.	The LS and the main body stop immediately.	Remove any jammed paper from the LS and the main body.
	J7409	During operation: The conveyance sensor/3 (PS17) does not become active within a specified period of time after the conveyance sensor/2 (PS16) becomes active.	The LS and the main body stop immediately.	Remove any jammed paper from the LS and the main body.
	J7410	During operation: The conveyance sensor/3 (PS17) does not become inactive within a specified period of time after it becomes active	The LS and the main body stop immediately.	Remove any jammed paper from the LS and the main body.
	J7411	During operation: The coupling exit sensor (PS18) does not become active within a specified period of time after the conveyance sensor/3 (PS17) becomes active.	The LS and the main body stop immediately.	Remove any jammed paper from the LS and the main body.
	J7412	During operation: The coupling exit sensor (PS18) does not become inactive within a specified period of time after it becomes active	The LS and the main body stop immediately.	Remove any jammed paper from the LS and the main body.
LS (2nd tandem)	J7431	During operation: The entrance sensor (PS4) does not become active within a specified period of time after the main body paper exit sensor (PS3) becomes active	The LS and the main body stop immediately.	Remove any jammed paper from the LS and the main body.
	J7432	During operation: The entrance sensor (PS4) does not become inactive within a specified period of time after it becomes active	The LS and the main body stop immediately.	Remove any jammed paper from the LS and the main body.
	J7433	During operation: The sub tray exit sensor (PS10) does not become active within a specified period of time after the entrance sensor (PS4) becomes active.	The LS and the main body stop immediately.	Remove any jammed paper from the LS and the main body.
	J7434	During operation: The sub tray paper exit sensor (PS10) does not become inactive within a specified period of time after it becomes active	The LS and the main body stop immediately.	Remove any jammed paper from the LS and the main body.
	J7435	During operation: The conveyance sensor/1 (PS7) does not become active within a specified period of time after the entrance sensor (PS4) becomes active.	The LS and the main body stop immediately.	Remove any jammed paper from the LS and the main body.
	J7436	During operation: The conveyance sensor/1 (PS7) does not become active within a specified period of time after it becomes active.	The LS and the main body stop immediately.	Remove any jammed paper from the LS and the main body.
	J7437	During operation: The conveyance sensor/2 (PS16) does not become active within a specified period of time after the conveyance sensor/1 (PS7) becomes active.	The LS and the main body stop immediately.	Remove any jammed paper from the LS and the main body.
	J7438	During operation: The conveyance sensor/2 (PS16) does not become inactive within a specified period of time after it becomes active.	The LS and the main body stop immediately.	Remove any jammed paper from the LS and the main body.
	J7439	During operation: The conveyance sensor/3 (PS17) does not become active within a specified period of time after the conveyance sensor/2 (PS16) becomes active	The LS and the main body stop immediately.	Remove any jammed paper from the LS and the main body.
	J7440	During operation: The conveyance sensor/3 (PS17) does not become inactive within a specified period of time after it becomes active.	The LS and the main body stop immediately.	Remove any jammed paper from the LS and the main body.
	J7441	During operation: The coupling exit sensor (PS18) does not become active within a specified period of time after the conveyance sensor/3 (PS17) becomes active.	The LS and the main body stop immediately.	Remove any jammed paper from the LS and the main body.
	J7442	During operation: The coupling exit sensor (PS18) does not become inactive within a specified period of time after it becomes active.	The LS and the main body stop immediately.	Remove any jammed paper from the LS and the main body.
FD	J7501	During operation: The FD entrance sensor (PS1) does not become active within a specified period of time after the main body paper exit sensor (PS3) becomes active.	The FD and the main body stop immediately.	Remove any jammed paper from the FD and the main body.
	J7502	During operation: The intermediate conveyance sensor (PS13) does not become active within a specified period of time after the FD entrance sensor (PS1) becomes active.	The FD and the main body stop immediately.	Remove any jammed paper from the FD and the main body.
	J7503	During operation: The main tray exit sensor (PS18) does not become active within a specified period of time after the intermediate conveyance sensor (PS13) becomes active.	The FD and the main body stop immediately.	Remove any jammed paper from the FD and the main body.
	J7504	During operation: The main tray exit sensor (PS18) does not become inactive within a specified period of time after it becomes active	The FD and the main body stop immediately.	Remove any jammed paper from the FD and the main body.
	J7505	During operation: The sub tray paper exit sensor (PS16) does not become active within a specified period of time after the intermediate conveyance sensor (PS13) becomes active	The FD and the main body stop immediately.	Remove any jammed paper from the FD and the main body.
	J7506	During operation: The sub tray paper exit sensor (PS16) does not become inactive within a specified period of time after it becomes active.	The FD and the main body stop immediately.	Remove any jammed paper from the FD and the main body.
	J7507	During operation: The punch conveyance sensor (PS5) does not become active within a specified period of time after the FD entrance sensor (PS1) becomes active.	The FD and the main body stop immediately.	Remove any jammed paper from the FD and the main body.
	J7508	During operation: The 3rd folding conveyance sensor (PS54) does not become active within a specified period of time after the punch conveyance sensor (PS5) becomes active.	The FD and the main body stop immediately.	Remove any jammed paper from the FD and the main body.
	J7509	During operation: The punch registration sensor (PS6) does not become active within a specified period of time after the punch conveyance sensor (PS5) becomes active	The FD and the main body stop immediately.	Remove any jammed paper from the FD and the main body.
	J7510	During operation: The 1st folding conveyance sensor (PS51) does not become active within a specified period of time after the punch registration sensor (PS6) becomes active	The FD and the main body stop immediately.	Remove any jammed paper from the FD and the main body.
	J7511	During operation: The 3rd folding conveyance sensor (PS54) does not become active within a specified period of time after the 1st folding conveyance sensor (PS51) becomes active.	The FD and the main body stop immediately.	Remove any jammed paper from the FD and the main body.
	J7512	During operation: The intermediate conveyance sensor (PS13) does not become active within a specified period of time after the 3rd folding conveyance sensor (PS54) becomes active.	The FD and the main body stop immediately.	Remove any jammed paper from the FD and the main body.
	J7513	During operation: While in the folding operation, the 2nd folding conveyance sensor (PS53) does not become active within a specified period of time after the 1st folding motor (M4) starts to accelerate.	The FD and the main body stop immediately.	Remove any jammed paper from the FD and the main body.
	J7514	During operation: While in the folding operation, the 3rd folding conveyance sensor (PS54) does not become active within a specified period of time after the 1st folding motor (M4) starts to accelerate.	The FD and the main body stop immediately.	Remove any jammed paper from the FD and the main body.
	J7515	During operation: While in the folding operation, the 3rd folding conveyance sensor (PS54) does not become active within a specified period of time after the 2nd folding motor (M5) starts to accelerate.	The FD and the main body stop immediately.	Remove any jammed paper from the FD and the main body. Remove any jammed paper from the FD and the main body.
	J7516	During operation: While in the folding operation, the intermediate conveyance sensor (PS13) does not become active within a specified period of time after the 3rd folding motor (M6) starts to accelerate	The FD and the main body stop immediately.	Remove any jammed paper from the FD and the main body.
	J7517	During operation: While in the folding operation, the 3rd folding conveyance sensor (PS54) does not become active within a specified period of time after the 2nd folding conveyance sensor (PS53) becomes active.	The FD and the main body stop immediately.	Remove any jammed paper from the FD and the main body.
	J7518	During operation: While in the folding operation, the intermediate conveyance sensor (PS13) does not become active within a specified period of time after the 3rd folding conveyance sensor (PS54) becomes active.		Remove any jammed paper from the FD and the main body
	J7519	During operation: The PI conveyance sensor/Up (PS31) does not become active within a specified period of time after the PI pick-up solenoid/Up (SD13) becomes active.		Remove any jammed paper from the FD and the main body
	J7520	During operation: The PI exit sensor (PS4) does not become active within a specified period of time after the PI conveyance sensor/Up (PS31) becomes active.		Remove any jammed paper from the FD and the main body
	J7521	During operation: The PI conveyance sensor/Lw (PS37) does not become active within a specified period of time after the PI pick-up solenoid/Lw (SD14) becomes active.		Remove any jammed paper from the FD and the main body
	J7522	During operation: The PI exit sensor (PS4) does not become active within a specified period of time after the PI conveyance sensor/Lw (PS37) becomes active.		Remove any jammed paper from the FD and the main body
	J7523	During operation: The FD entrance sensor (PS1) does not become active within a specified period of time		Remove any jammed paper from the FD and the main body
	J7524	During operation: The PI multi feed is detected.		Remove any jammed paper from the FD and the main body
RU	J7530	During operation: (RU-510) The entrance sensor (PS1) does not become active within a specified period of time after the main body paper exit sensor (PS3) becomes active.	The RU and the main body stop immediately	Remove any jammed paper from the RU and the main body.
	J7531	During operation: (RU-510) While in the straight pass, the paper exit sensor (PS2) does not become active within a specified period of time after the entrance sensor (PS1) becomes active.		Remove any jammed paper from the RU and the main body.
	J7532	During operation: (RU-510) The entrance sensor (PS1) does not become inactive within a specified period of time after it becomes active.		Remove any jammed paper from the RU and the main body.
	J7533	During operation: (RU-510) While in the reverse pass, the paper exit sensor (PS2) does not become active within a specified period of time after the entrance sensor (PS1) becomes active.		Remove any jammed paper from the RU and the main body.
	J7535	During operation: (RU-510) The paper exit sensor (PS2) does not become inactive within a specified period of time after it becomes active.		Remove any jammed paper from the RU and the main body.
	J7550	During operation: (RU-509) The entrance sensor (PS1) does not become active within a specified period of time. Alternatively, "0" is selected for DIPSW27-2 when RU-516 is connected.		Remove any jammed paper from the RU and the main body. Select "1" for DIPSW27-2 when RU-516 is connected.
	J7551	During operation: (RU-509) The de-curler entrance sensor (PS7) does not become active within a specified period of time.		Remove any jammed paper from the RU and the main body.
	J7552	During operation: (RU-509) The de-curler entrance sensor (PS2) does not become active within a specified period of time in the bypass path conveyance.		Remove any jammed paper from the RU and the main body.
	J7553	During operation: (RU-509) The de-curler entrance sensor (PS2) does not become active within a specified period of time in the lower path conveyance.		Remove any jammed paper from the RU and the main body.
	J7554	During operation: (RU-509) The color density detection timing sensor (PS3) does not become active within a specified period of time.		Remove any jammed paper from the RU and the main body.
	J7555	During operation: (RU-509) The paper exit sensor (PS12) does not become active within a specified period of time.		Remove any jammed paper from the RU and the main body.
	J7556	During operation: (RU-509) The paper exit sensor (PS12) does not become inactive within a specified period of time.		Remove any jammed paper from the RU and the main body.
SD-513	J7560	SD-513 does not stop operating within a specified period of time after the signal to stop the operation is received from the main body.	-	Open the unlocked door of the SD.
SD-506	J7561	During operation: Within a specified period of time after the paper exit sensor of the previous machine becomes active, the entrance sensor (PS1) does not become active.	The SD and the main body stop immediately.	Remove any jammed paper from the SD and the main body.
SD-513	J7561	During operation: Within a specified period of time after the paper exit sensor of the previous machine becomes active, the entrance sensor (PS1) does not become active.		Remove any jammed paper from the SD and the main body.
SD-506	J7562	During operation: Within a specified period of time after the paper exit sensor of the machine which is installed previously becomes active, the entrance sensor/1 (PS59) does not become active.		Remove any jammed paper from the SD and the main body.
SD-506	J7563	During operation: The horizontal conveyance sensor/1 (PS2) does not become active within a specified period of time after the entrance sensor (PS1) becomes active.		Remove any jammed paper from the SD and the main body.
SD-513	J7563	During operation: The horizontal conveyance sensor/2 (PS3) does not become active within a specified period of time after the horizontal conveyance sensor/1 (PS2) becomes active.		Remove any jammed paper from the SD and the main body.
SD-506	J7564	During operation: Within a specified period of time after the horizontal conveyance sensor/2 (PS1) becomes active, he horizontal conveyance sensor/3 (PS3) does not become active.		Remove any jammed paper from the SD and the main body.
SD-513	J7564	During operation: The horizontal conveyance exit sensor (PS4) does not become active within a specified period of time after the horizontal conveyance sensor/2 (PS3) becomes active.		Remove any jammed paper from the SD and the main body.
SD-506	J7565	During operation: The horizontal conveyance exit sensor (PS4) does not become inactive within a specified period of time after it becomes active.		Remove any jammed paper from the SD and the main body.
SD-513	J7565	During operation: Within a specified period of time after the horizontal conveyance sensor/4 (PS5) becomes active, it does not become inactive.		Remove any jammed paper from the SD and the main body.
SD-506	J7566	During operation: The sub tray paper exit sensor (PS11) does not become active within a specified period of time after the horizontal conveyance sensor/1 (PS2) becomes active.		Remove any jammed paper from the SD and the main body.
SD-513	J7566	During operation: Within a specified period of time after the horizontal conveyance sensor/2 (PS1) becomes active, the sub tray paper exit sensor (PS10) does not become active.		Remove any jammed paper from the SD and the main body.
SD-506	J7567	During the operation: The sub tray exit sensor (PS11) does not become inactive within a specified period of time after it becomes active.		Remove any jammed paper from the SD and the main body
SD-513	J7567	During operation: Within a specified period of time after the sub tray paper exit sensor (PS10) becomes active, it does not become inactive.		Remove any jammed paper from the SD and the main body
SD-506	J7568	During operation: The right angle conveyance sensor/2 (PS6) does not become active within a specified period of time after the right angle conveyance motor (M6) becomes active.		Remove any jammed paper from the SD and the main body
SD-513	J7568	During operation: Within a specified period of time after the horizontal conveyance sensor/2 (PS1) becomes active, it does not become inactive		Remove any jammed paper from the SD and the main body
SD-506	J7569	During operation: The folding sensor/1 (PS7) does not become active within a specified period of time after the folding entrance motor (M3) becomes active.		Remove any jammed paper from the SD and the main body
SD-513	J7569	During operation: Within a specified period of time after the horizontal conveyance sensor/3 (PS3) becomes active, it does not become inactive.		Remove any jammed paper from the SD and the main body
SD-506	J7570	During operation: The saddle stitching paper sensor (PS13) does not become active within a specified period of time after the folding sub scan alignment exit motor (M8) becomes active.		Remove any jammed paper from the SD and the main body
SD-513	J7570	During operation: Within a specified period of time after the entrance sensor/2 (PS60) becomes active, the horizontal conveyance sensor/1 (PS72) does not become active.		Remove any jammed paper from the SD and the main body
SD-506	J7571	During operation: The bundle sensor/1 (PS14) does not become active within a specified period of time after the bundle arm rotation motor (M22) becomes active.		Remove any jammed paper from the SD and the main body
SD-513	J7571	During operation: Within a specified period of time after the horizontal conveyance sensor/1 (PS72) becomes active, it does not become inactive.		Remove any jammed paper from the SD and the main body
SD-506	J7572	During operation: The bundle sensor/2 (PS15) does not become active within a specified period of time after the bundle clip motor (M11) becomes active.		Remove any jammed paper from the SD and the main body
SD-513	J7572	During operation: Within a specified period of time after the reverse exit motor (M101) starts the reverse rotation, the horizontal conveyance sensor/2 (PS60) does not become active.		Remove any jammed paper from the SD and the main body
SD-506	J7573	During operation: The bundle sensor/4 (PS54) does not become active within a specified period of time after the bundle sensor/2 (PS15) becomes active.		Remove any jammed paper from the SD and the main body
SD-513	J7573	During operation: Within a specified period of time after the entrance sensor/2 (PS60) becomes active, it does not become inactive.		Remove any jammed paper from the SD and the main body
SD-506	J7574	During operation: Within a specified period of time after the entrance sensor/1 (PS59) becomes active, it does not become inactive.		Remove any jammed paper from the SD and the main body
SD-513	J7574	During operation: Within a specified period of time after the entrance sensor/1 (PS59) becomes active, it does not become inactive.		Remove any jammed paper from the SD and the main body
SD-506	J7575	During operation: The right angle conveyance sensor/2 (PS6) does not become inactive within a specified period of time after it becomes active. Alternatively, the folding entrance sensor (PS60) does not become inactive within a specified period of time after it becomes active.		Remove any jammed paper from the SD and the main body
SD-513	J7575	During operation: Within a specified period of time after the entrance sensor/1 (PS59) becomes active, the entrance sensor/2 (PS60) does not become active.		Remove any jammed paper from the SD and the main body
SD-506	J7576	During operation: The folding sensor/2 (PS44) does not become inactive within a specified period of time after it becomes active.		Remove any jammed paper from the SD and the main body.
SD-513	J7576	During operation: Within a specified period of time after the half folding conveyance belt motor (M48) becomes active, the saddle stitching stacker empty sensor (PS23) does not become active.In the other case, the saddle stitching alignment motor/Rr (M18) does not return to the home position after it performs the alignment operation.		Remove any jammed paper from the SD and the main body.
SD-506	J7577	During operation: The bundle sensor/1 (PS14) does not become inactive within a specified period of time after it becomes active.		Remove any jammed paper from the SD and the main body.
SD-513	J7577
SD-506	J7578	During operation: The bundle sensor/2 (PS15) does not become inactive within a specified period of time after it becomes active.		Remove any jammed paper from the SD and the main body.
SD-513	J7578	During operation: Within a specified period of time elapses since the half folding conveyance belt motor (M48) becomes active, the half folding paper exit sensor (PS22) does not become inactive.		Remove any jammed paper from the SD and the main body.
SD-506	J7579	During operation: The folding passage sensor (PS8) does not become active within a specified period of time after the folding transfer motor (M4) becomes active.		Remove any jammed paper from the SD and the main body.
SD-513	J7579	During operation: Within a specified period of time after the folding roller motor (M12) becomes active, the tri-folding conveyance sensor (PS12) does not become active.		Remove any jammed paper from the SD and the main body.
SD-506	J7580	During operation: The tri-folding exit sensor (PS9) does not become active within a specified period of time after the folding transfer motor (M4) becomes active.		Remove any jammed paper from the SD and the main body.
SD-513	J7580	During operation: Within a specified period of time after the tri-folding conveyance sensor (PS12) becomes active, the tri-folding paper exit sensor (PS74) does not become active.		Remove any jammed paper from the SD and the main body.
SD-506	J7581	During operation: The folding sub scan alignment exit motor (M8) does not become inactive within a specified period of time after it becomes active.		Remove any jammed paper from the SD and the main body.
SD-513	J7581	During operation: Within a specified period of time after the tri-folding conveyance sensor (PS12) becomes active, it does not become inactive.		Remove any jammed paper from the SD and the main body.
SD-506	J7582	During operation: The folding passage sensor (PS8) does not become inactive within a specified period of time after it becomes active.		Remove any jammed paper from the SD and the main body.
SD-513	J7582	During operation: Within a specified period of time after the folding roller motor (M12) becomes active, the 2nd folding sensor (PS20) does not become active.		Remove any jammed paper from the SD and the main body.
SD-506	J7583	During operation: The tri-folding paper exit sensor (PS9) does not become inactive within a specified period of time after it becomes active.		Remove any jammed paper from the SD and the main body.
SD-513	J7583	During operation: Within a specified period of time after the folding roller motor (M12) becomes active, the 2nd folding sensor (PS20) does not become inactive.		Remove any jammed paper from the SD and the main body.
SD-506	J7584	During operation: The trimming registration sensor (PS55) does not become active within a specified period of time after the bundle press movement motor (M17) becomes active.		Remove any jammed paper from the SD and the main body.
SD-513	J7584	During operation: Within a specified period of time after the tri-folding tray paper exit sensor (PS74) becomes active, it does not become inactive.		Remove any jammed paper from the SD and the main body.
SD-506	J7585	During operation: The trimming registration sensor (PS55) does not become inactive within a specified period of time after the bundle registration motor (M12) becomes active.		Remove any jammed paper from the SD and the mainRemove any jammed paper from the SD and the main body. body.
SD-513	J7586	During operation: On the crease mode, within a specified period of time after the entrance sensor/1 (PS59) becomes inactive, the entrance sensor/2 (PS60) does not become active.		Remove any jammed paper from the SD and the main body.
	J7587	The operation preparation of SD-513 is not completed.		Remove any jammed paper from the SD and the main body.
	J7589	SD-513 software abnormality		Remove any jammed paper from the SD and the main body.
GP-501	J7590	During operation: Within a specified period of time after it becomes active, the enter sensor (S1) does not become inactive.	The GP and the main body stop immediately.	Remove any jammed paper from the GP and the main bRemove any jammed paper from the GP and the main body.ody.
	J7591	During operation: Within a specified period of time after the stepper 1 speed sensor (S2) becomes active, it does not become inactive.		Remove any jammed paper from the GP and the main body.
	J7592	During operation: Within a specified period of time after the bypass sensor (S8) becomes active, it does not become inactive.		Remove any jammed paper from the GP and the main body.
	J7593	During operation: Within a specified period of time after the exit sensor (S7) becomes active, it does not become inactive.		Remove any jammed paper from the GP and the main body.
	J7594	During operation: Within a specified period time after the punch flag sensor (S9) becomes active, it does not become inactive.		Remove any jammed paper from the GP and the main body.
	J7595	During operation: Within a specified period of time after the u-channel sensor (S4) becomes active, it does not become inactive.		Remove any jammed paper from the GP and the main body.
	J7596	During operation: Within a specified periof of time after the backstop sensor (S5) becomes active, it does not become inactive.		Remove any jammed paper from the GP and the main body.
	J7597	During operation: Within a specified period of time after the stepper 2 speed sensor (S6) becomes active, it does not become inactive.		Remove any jammed paper from the GP and the main body.
GP-502	J7601	During operation: Within a specified period of time after the main body paper exit sensor (PS3) becomes active, the bypass direct entry sensor does not become active.		Remove any jammed paper from the GP and the main body.
	J7602	During operation: Within a specified period of time after the bypass direct entry sensor becomes active, it does not become inactive. (Error codes on the GP-502 panel: Error = 8/13/69/77)		Remove any jammed paper from the GP and the main body.
	J7603	During operation: Within a specified period of time after the bypass direct exit sensor becomes active, it does not become inactive. (Error codes on the GP-502 panel: Error = 9/10/26)		Remove any jammed paper from the GP and the main body.
	J7604	During operation: Within a specified period of time after the tall vertical entry sensor becomes active, it does not become inactive. (Error codes on the GP-502 panel: Error = 17/27/70)		Remove any jammed paper from the GP and the main body.
	J7605	During operation: Within a specified period of time after the punch sensor becomes active, it does not become inactive. (Error codes on the GP-502 panel: Error = 19/20/21/29)		Remove any jammed paper from the GP and the main body.
	J7606	During operation: Within a specified period of time after the pullback sensor becomes active, it does not become inactive. (Error codes on the GP-502 panel: Error = 18/22/23/25)		Remove any jammed paper from the GP and the main body.
	J7607	During operation: Within a specified period of time after the main body paper exit sensor (PS3) becomes active, the jam sensor at the document drawer does not become active. (Error codes on the GP-502 panel: Error = 33/58/79)		Remove any jammed paper from the GP and the main body.
	J7608	During operation: Within a specified period of time after the jam sensor at the document drawer becomes active, it does not become inactive. (Error codes on the GP-502 panel: Error = 59)		Remove any jammed paper from the GP and the main body.
	J7611	During operation: The system trouble is detected in the bind mode. (Error codes on the GP-502 panel: Error = 1 to 7/11/12/24/28/30 to 32/34 to 40/42/44 to 49/51/54/60 to 63/65/68/71 to 74/76/80/81/83 to 108/110/114/115/250/251)		Remove any jammed paper from the GP and the main body.
	J7612	During operation: The system trouble is detected in the bypass mode. (Error codes on the GP-502 panel: Error = 1 to 7/11/12/24/28/30 to 32/34 to 40/42/44 to 49/51/54/60 to 63/65/68/71 to 74/76/80/81/83 to 108/110/114/115/250/251)		Remove any jammed paper from the GP and the main body.
SD-513	J7621	During operation: Within a specified period of time after the clamp motor (M23) becomes active, the clamp empty sensor (PS37) does not become active.	The SD and the main body stop immediately.	Remove any jammed paper from the SD and the main bodyRemove any jammed paper from the SD and the main body..
	J7622	During operation: Within a specified period of time after the clamp empty sensor (PS37) becomes active, it does not become inactive.		Remove any jammed paper from the SD and the main body.
	J7623	During operation: Within a specified period of time after the gripper open close sensor (PS40) becomes active, the gripper paper sensor (PS38) does not become active.		Remove any jammed paper from the SD and the main body.
	J7624	During operation: Within a specified period of time after the gripper motor (PS26) becomes active, the gripper paper sensor (PS38) does not become inactive.		Remove any jammed paper from the SD and the main body.
	J7625	During operation: Within a specified period of time after the gripper motor (M26) becomes active, the booklet tray paper exit sensor (PS43) does not become active.		Remove any jammed paper from the SD and the main body.
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