[SOLVED] Quick fix Konica-Minolta C352 list error codes

[SOLVED] Quick fix Konica-Minolta C352 list error codes

– Compatible Printer model: Konica-Minolta bizhub C352
– Konica-Minolta bizhub C352 Error Codes with quick guides:

• Code: C0001
• Description: LCT connection failed
• Troubleshooting Guides:

• Code: C0102
• Description: LCT vertical transport motor malfunction
• Troubleshooting Guides:

• Code: C0204
• Description: Tray 2 elevator failure
  • The lift-up sensor is not blocked even after the lapse of a given period of time after the lifting motion has been started.
• Troubleshooting Guides: 1 Check the M3-PC connector for proper connection and correct as necessary. 2 Check the connector of M3-PC for proper drive coupling and correct as necessary. 3 PC7-PC I/O check, sensor check PCCB PJ6PCCB-3 (ON) S-24. 4 M3-PC operation check PCCB PJ4PCCB-4 to 5 M-27. 5 Change PCCB

• Code: C0206
• Description: Tray 3 elevator failure
• Troubleshooting Guides:

• Code: C0208
• Description: Tray 4 elevator failure
• Troubleshooting Guides:

• Code: C0209
• Description: LCT elevator motor malfunction (elevator malfunction)
• Troubleshooting Guides:

• Code: C0210
• Description: LCT ascent motion failure
• Troubleshooting Guides:

• Code: C0211
• Description: Manual tray rise descent error
  • The bypass lift-up sensor is not blocked even when the tray 2 vertical transport motor has turned for a given number of pulses after the sequence to move the paper lifting plate from the standby position to the feed position was started. • The bypass lift-up sensor is not unblocked even when the tray 2 vertical transport motor has turned for a given number of pulses after the sequence to move the paper lifting plate from the feed position to the standby position was started.
• Troubleshooting Guides: 1 Check the M1 connector for proper connection and correct as necessary. 2 Check the connector of M1 for proper drive coupling and correct as necessary. 3 PC14 I/O check, sensor check MFPB CNTRY1-10 (ON) C-9. 4 M1 operation check MFPB CNDM1-5 (REM) MFPB CNDM1-8 (LOCK) L-2. 5 Change MFPB.

• Code: C0212
• Description: LCT ejection failure
• Troubleshooting Guides:

• Code: C0213
• Description: LCT shift gate malfunction
• Troubleshooting Guides:

• Code: C0214
• Description: LCT shifting failure
• Troubleshooting Guides:

• Code: C0215
• Description: LCT shift motor malfunction
• Troubleshooting Guides:

• Code: C0301
• Description: Suction fan motor’s failure to turn
  • The fan lock signal remains HIGH for a predetermined continuous period of time while the motor remains stationary.
• Troubleshooting Guides: 1 Check the connector of motor for proper connection and correct as necessary. 2 Change the right door assy. 3 Change MFPB.

• Code: C1183
• Description: Finishing option elevator drive malfunction
• Troubleshooting Guides:

• Code: C1190
• Description: Finishing option aligning bar moving mechanism malfunction 1
• Troubleshooting Guides:

• Code: C1191
• Description: Finishing option aligning bar moving mechanism malfunction 2
• Troubleshooting Guides:

• Code: C11A0
• Description: Paper holding drive failure
• Troubleshooting Guides:

• Code: C11A1
• Description: Finishing option exit roller pressure/retraction failure
• Troubleshooting Guides:

• Code: C11A2
• Description: Saddle exit roller pressure/ retraction failure
• Troubleshooting Guides:

• Code: C11A3
• Description: Shutter drive failure
• Troubleshooting Guides:

• Code: C11A4
• Description: Saddle exit motor failure
• Troubleshooting Guides:

• Code: C11A5
• Description: Saddle in & out guide motor failure
• Troubleshooting Guides:

• Code: C11A6
• Description: Saddle layable guide drive failure
• Troubleshooting Guides:

• Code: C11B0
• Description: Finishing option stapler unit CD drive failure
• Troubleshooting Guides:

• Code: C11B2
• Description: Finishing option stapling mechanism malfunction 1
• Troubleshooting Guides:

• Code: C11B5
• Description: Side staple 1 drive failure
• Troubleshooting Guides:

• Code: C11B6
• Description: Side staple 2 drive failure
• Troubleshooting Guides:

• Code: C11C0
• Description: Punch motor malfunction
• Troubleshooting Guides:

• Code: C11D0
• Description: Crease motor drive failure
• Troubleshooting Guides:

• Code: C1301
• Description: Finishing option cooling fan motor failure
• Troubleshooting Guides:

• Code: C2151
• Description: 2nd image transfer roller separation
  • The 2nd image transfer pressure position sensor doesn’t turn ON (retracting) even after the lapse of a given period of time after the 2nd image transfer pressure/retraction motor has started rotating during the 2nd image transfer roller is retracting. • The 2nd image transfer pressure position sensor doesn’t turn OFF (pressuring) even after the lapse of a given period of time after the 2nd image transfer pressure/retraction motor has started rotating during the 2nd image transfer roller is pressuring.
• Troubleshooting Guides: 1 Check the connector of motor for proper connection and correct as necessary. 2 Change the right door assy and MFPB.

• Code: C2152
• Description: Transfer belt separation
  • The 1st image transfer pressure/retraction position sensor doesn’t turn ON (retracting) even after the lapse of a given period of time after the 1st image transfer pressure/retraction clutch has turned ON during the transfer belt is retracting. • The 1st image transfer pressure/retraction position sensor doesn’t turn OFF (pressuring) even after the lapse of a given period of time after the 1st image transfer pressure/retraction clutch has turned ON during the transfer belt is pressuring.
• Troubleshooting Guides: 1 Check the M1 connector for proper connection and correct as necessary. 2 PC6 I/O check, sensor check. 3 CL3 operation check MFPB CNDM1-11 (ON) L-1. 4 M1 operation check MFPB CNDM1-5 (REM) MFPB CNDM1-8 (LOCK) L-2. 5 Change MFPB.

• Code: C2253
• Description: Color PC drum motor’s failure to turn
  • The motor lock signal remains HIGH for a predetermined continuous period of time while the motor is turning.
• Troubleshooting Guides: 1 Check the connector of motor for proper connection and correct as necessary. 2 Check the connector of motor for proper drive coupling and correct as necessary. 3 Check the MFPB connector for proper connection and correct as necessary. 4 M2 operation check (C0018) MFPB CNDM3-5 (REM) MFPB CNDM3-8 (LOCK) C-21. 5 Change MFPB.

• Code: C2254
• Description: Color PC drum motor’s turning at abnormal timing
  • The motor lock signal remains LOW for a predetermined continuous period of time while the motor remains stationary.
• Troubleshooting Guides: 1 M2 operation check MFPB CNDM3-5 (REM) MFPB CNDM3-8 (LOCK) C-21. 2 Change MFPB.

• Code: C2255
• Description: Color developing motor’s failure to turn
  • The motor lock signal remains HIGH for a predetermined continuous period of time while the motor is turning.
• Troubleshooting Guides: 1 Check the connector of motor for proper connection and correct as necessary. 2 Check the connector of motor for proper drive coupling and correct as necessary. 3 Check the DCPU connector for proper connection and correct as necessary. 4 Check the MFPB connector for proper connection and correct as necessary. 5 M3 operation check MFPB CNDM2-5 (REM) MFPB CNDM2-8 (LOCK) C-20. 6 Change DCPU. 7 Change MFPB.

• Code: C2256
• Description: Color developing motor’s turning at abnormal timing
  • The motor lock signal remains LOW for a predetermined continuous period of time while the motor remains stationary
• Troubleshooting Guides: 1 M3 operation check MFPB CNDM2-5 (REM) MFPB CNDM2-8 (LOCK) C-20. 2 Change DCPU. 3 Change MFPB.

• Code: C2451
• Description: Transfer cleaner unit new article release
  • A new installation is not detected when a new transfer cleaner unit (image transfer belt unit) is installed.
• Troubleshooting Guides: 1 Reinstall unit. 2 Change MFPB.

• Code: C2551
• Description: Abnormally low toner density detected cyan TCR sensor
  • TC ratio in the developing machine, which is determined by toner replenishing amount control mechanism, is 5 % or less for a given number of times consecutively.
• Troubleshooting Guides: 1 Perform image troubleshooting procedure if image density is low. 2 Clean the TCR sensor window on the underside of the imaging unit if dirty 3 M6, M7 operation check MFPB CNDM2-10 to 13 (M6) MFPB CNDM3-10 to 13 (M7) C-20 C-21. 4 Reinstall imaging unit. 5 Change imaging unit. 6 Change MFPB. 7 Change PRCB.

• Code: C2552
• Description: Abnormally high toner density detected cyan TCR sensor
  • TC ratio in the developing machine, which is determined by Toner replenishing amount control mechanism, is 12 % or more for a given number of times consecutively.
• Troubleshooting Guides: 1 Clean the TCR sensor window on the underside of the imaging unit if dirty 2 Reinstall imaging unit. 3 Change imaging unit. 4 Change MFPB. 5 Change PRCB

• Code: C2553
• Description: Abnormally low toner density detected magenta TCR sensor
  • TC ratio in the developing machine, which is determined by toner replenishing amount control mechanism, is 5 % or less for a given number of times consecutively.
• Troubleshooting Guides: 1 Perform image troubleshooting procedure if image density is low. 2 Clean the TCR sensor window on the underside of the imaging unit if dirty 3 M6, M7 operation check MFPB CNDM2-10 to 13 (M6) MFPB CNDM3-10 to 13 (M7) C-20 C-21. 4 Reinstall imaging unit. 5 Change imaging unit. 6 Change MFPB. 7 Change PRCB.

• Code: C2554
• Description: Abnormally high toner density detected magenta TCR sensor
  • TC ratio in the developing machine, which is determined by toner replenishing amount control mechanism, is 12 % or more for a given number of times consecutively.
• Troubleshooting Guides: 1 Clean the TCR sensor window on the underside of the imaging unit if dirty 2 Reinstall imaging unit. 3 Change imaging unit. 4 Change MFPB. 5 Change PRCB.

• Code: C2555
• Description: Abnormally low toner density detected yellow TCR sensor
  • TC ratio in the developing machine, which is determined by toner replenishing amount control mechanism, is 5 % or less for a given number of times consecutively.
• Troubleshooting Guides: 1 Perform image troubleshooting procedure if image density is low. 2 Clean the TCR sensor window on the underside of the imaging unit if dirty 3 M6, M7 operation check MFPB CNDM2-10 to 13 (M6) MFPB CNDM3-10 to 13 (M7) C-20 C-21. 4 Reinstall imaging unit. 5 Change imaging unit. 6 Change MFPB. 7 Change PRCB.

Solve Konica-Minolta bizhub C352 Error codes

• Code: C2556
• Description: Abnormally high toner density detected yellow TCR sensor
  • TC ratio in the developing machine, which is determined by toner replenishing amount control mechanism, is 12 % or more for a given number of times consecutively.
• Troubleshooting Guides: 1 Clean the TCR sensor window on the underside of the imaging unit if dirty 2 Reinstall imaging unit. 3 Change imaging unit. 4 Change MFPB. 5 Change PRCB

• Code: C2557
• Description: Abnormally low toner density detected black TCR sensor
  • TC ratio in the developing machine, which is determined by toner replenishing amount control mechanism, is 4 % or less for a given number of times consecutively.
• Troubleshooting Guides: 1 Perform image troubleshooting procedure if image density is low. 2 Clean the TCR sensor window on the underside of the imaging unit if dirty 3 M7 operation check MFPB CNDM3-10 to 13 C-21 4 Reinstall Imaging unit. 5 Change imaging unit /K. 6 Change MFPB. 7 Change PRCB.

• Code: C2558
• Description: Abnormally high toner density detected black TCR sensor
  • TC ratio in the developing machine, which is determined by toner replenishing amount control mechanism, is 12 % or more for a given number of times consecutively.
• Troubleshooting Guides: 1 Correct the TCR connection on the underside of the imaging unit if faulty. 2 Reinstall imaging unit. 3 Change imaging unit. 4 Change MFPB. 5 Change PRCB.

• Code: C2559
• Description: Cyan TCR sensor adjustment failure
  • TCR sensor automatic adjustment does not function properly, failing to adjust to an appropriate value.
• Troubleshooting Guides: 1 Clean the TCR sensor window on the underside of the imaging unit if dirty 2 M6, M7 operation check MFPB CNDM2-10 to 13 (M6) MFPB CNDM3-10 to 13 (M7) C-20 C-21. 3 Reinstall imaging unit. 4 Change imaging unit. 5 Change MFPB. 6 Change PRCB.

• Code: C255A
• Description: Magenta TCR sensor adjustment failure
• Troubleshooting Guides: 1 Clean the TCR sensor window on the underside of the imaging unit if dirty 2 M6, M7 operation check MFPB CNDM2-10 to 13 (M6) MFPB CNDM3-10 to 13 (M7) C-20 C-21. 3 Reinstall imaging unit. 4 Change imaging unit. 5 Change MFPB. 6 Change PRCB.

• Code: C255B
• Description: Yellow TCR sensor adjustment failure
• Troubleshooting Guides: 1 Clean the TCR sensor window on the underside of the imaging unit if dirty 2 M6, M7 operation check MFPB CNDM2-10 to 13 (M6) MFPB CNDM3-10 to 13 (M7) C-20 C-21. 3 Reinstall imaging unit. 4 Change imaging unit. 5 Change MFPB. 6 Change PRCB.

• Code: C255C
• Description: Black TCR sensor adjustment failure
• Troubleshooting Guides: 1 Clean or correct each contact of the imaging unit if faulty. 2 M7 operation check MFPB CNDM3-10 to 13 C-21. 3 Reinstall imaging unit /K. 4 Change imaging unit /K. 5 Change MFPB. 6 Change PRCB.

• Code: C2651
• Description: Cyan imaging unit EEPROM access error
  • The re-written data, which has been read out, checked and founded as error, is read out again and found as error.
  • The error was found when reading out the counter value.
• Troubleshooting Guides: 1 Clean the connection between the imaging unit and the machine if dirty 2 Reinstall imaging unit. 3 Change imaging unit. 4 Change MFPB.

• Code: C2652
• Description: Magenta imaging unit EEPROM access error
• Troubleshooting Guides: 1 Clean the connection between the imaging unit and the machine if dirty 2 Reinstall imaging unit. 3 Change imaging unit. 4 Change MFPB.

• Code: C2653
• Description: Yellow imaging unit EEPROM access error
• Troubleshooting Guides: 1 Clean the connection between the imaging unit and the machine if dirty 2 Reinstall imaging unit. 3 Change imaging unit. 4 Change MFPB.

• Code: C2654
• Description: Black imaging unit EEPROM access error
• Troubleshooting Guides: 1 Clean the connection between the imaging unit and the machine if dirty 2 Reinstall imaging unit. 3 Change imaging unit. 4 Change MFPB.

• Code: C2A01
• Description: Cyan toner cartridge EEPROM access error
  • The re-written data, which has been read out, checked and founded as error, is read out again and found as error.
  • The error was found when reading out the counter value.
• Troubleshooting Guides: 1 Clean the connection between the toner cartridge and the machine if dirty 2 Reinstall toner cartridge – – 3 Check the harness for proper connection and correct as necessary. 4 Change toner cartridge. 5 Change MFPB.

• Code: C2A02
• Description: Magenta toner cartridge EEPROM access error
• Troubleshooting Guides: 1 Clean the connection between the toner cartridge and the machine if dirty 2 Reinstall toner cartridge – – 3 Check the harness for proper connection and correct as necessary. 4 Change toner cartridge. 5 Change MFPB.

• Code: C2A03
• Description: Yellow toner cartridge EEPROM access error
• Troubleshooting Guides: 1 Clean the connection between the toner cartridge and the machine if dirty 2 Reinstall toner cartridge – – 3 Check the harness for proper connection and correct as necessary. 4 Change toner cartridge. 5 Change MFPB.

• Code: C2A04
• Description: Black toner cartridge EEPROM access error
• Troubleshooting Guides: 1 Clean the connection between the toner cartridge and the machine if dirty 2 Reinstall toner cartridge – – 3 Check the harness for proper connection and correct as necessary. 4 Change toner cartridge. 5 Change MFPB.

• Code: C3101
• Description: Fusing pressure roller separation failure
  • With the pressure roller being retracted, the pulse of the encoder sensor does not change even after the specified period of time has passed after the fusing pressure roller pressure/retraction motor started rotating. • With the pressure roller being pressed, the encoder pulse sensor does not change even after the specified period of time has passed after the fusing pressure roller pressure/retraction motor started rotating. • With the pressure roller being pressed, the fusing roller retraction sensor did not turn ON (pressed) even after the encoder pulse sensor counted up the specified number of pulse after the fusing pressure roller pressure/retraction motor started rotating.
• Troubleshooting Guides: 1 Check the connector of motor for proper connection and correct as necessary. 2 PC23 I/O check, sensor check MFPB CNDM4-12 (ON) K-8 3 PC23 operation check. 4 M24 operation check MFPB CNDM4-13 to 14 K-8. 5 Change fusing unit. 6 Change MFPB.

• Code: C3201
• Description: Fusing drive motor failure to turn
  • The motor lock signal remains HIGH for a predetermined continuous period of time while the motor remains stationary
• Troubleshooting Guides: 1 Check the connector of motor for proper connection and correct as necessary. 2 Check the loading status of the fusing unit drive, and correct the error as necessary. 3 Check the fusing unit, MFPB for proper connection and correct or change as necessary. 4 M2 operation check MFPB CNDM4-5 (REM) MFPB CNDM4-8 (LOCK) K-7. 5 Change MFPB.

• Code: C3202
• Description: Fusing drive motor turning at abnormal timing
  • The motor lock signal remains LOW for a predetermined continuous period of time while the motor remains stationary.
• Troubleshooting Guides: 1 M4 operation check MFPB CNDM4-5 (REM) MFPB CNDM4-8 (LOCK) K-7. 2 Change MFPB.

• Code: C3301
• Description: Fusing cooling fan Motor/1’s failure to turn
  • The fan lock signal remains HIGH for a predetermined continuous period of time while the motor remains stationary.
• Troubleshooting Guides: 1 Check the connector of motor for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 M11 operation check MFPB CNDM1-12 (ON) MFPB CNDM1-14 (LOCK) L-1. 4 Change MFPB.

• Code: C3302
• Description: Fusing cooling fan motor/2’s failure to turn
  • The fan lock signal remains HIGH for a predetermined continuous period of time while the motor remains stationary.
• Troubleshooting Guides: 1 Check the connector of motor for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 M13 operation check MFPB CNR2FAN-10 (ON) MFPB CNR2FAN-12 (LOCK) L-3. 4 Change MFPB.

• Code: C3451
• Description: Heat. heater trouble
  • The heating roller thermistor/1 (TH1) fails to raise a given degree of temperature even after the lapse of a given period of time after the Heating roller heater lamp/1 (H1) is turned ON. • When the warm up started and the highest temperature and the lowest temperature of the heating roller thermistor/1 (TH1) are compared for the specified period of time, the difference of these two is either lower than the specified value or at the specified value or over. • During the warm up, if the counted value for zero cross signal input is not modified for the specified period of time, the zero cross signal error will be counted. This malfunction will be detected when the counted value exceeds the specified value.
• Troubleshooting Guides: 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the open/close operation of the right door. 3 Check the fusing unit, MFPB and DCPU for proper connection and correct or change as necessary. 4 Change fusing unit. 5 Change MFPB. 6 Change DCPU.

• Code: C3452
• Description: Press. heater trouble
  • When the warm up started, if the temperature detected by the fusing pressure roller thermistor/1 (TH2) is at the specified value or under, and lower than the temperature detected by the heating roller thermistor/1 (HT1) for a specified degree, the highest temperature and the lowest temperature detected by the fusing pressure roller thermistor/1 (TH2) are compared for the specified period of time. The malfunction will be detected if the temperature difference is either lower than specified or at the specified value or over. • Voltage for the fusing pressure roller heater lamp (H3) at the time of stand-by after the warm up will be measured to be set as the reference value. After the temperature adjustment for the fusing pressure roller, if the temperature detected by the fusing pressure roller thermistor/1 (TH2) is lower than the specified, the voltage will be measured again to be compared with the reference value. The malfunction will be detected when the difference between the reference value and the measured value is at the specified value or over for the specified period of time.
• Troubleshooting Guides: 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the open/close operation of the right door. 3 Check the fusing unit, MFPB and DCPU for proper connection and correct or change as necessary. 4 Change fusing unit. 5 Change MFPB. 6 Change DCPU.

• Code: C3461
• Description: New fusing unit new article release
  • A new installation is not detected when a new fusing Unit is installed.
• Troubleshooting Guides: 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the fusing unit, MFPB for proper connection and correct or change as necessary. 3 Reinstall fusing unit. 4 Change fusing unit. 5 Change MFPB.

• Code: C3751
• Description: Abnormal high temp. (heater)
  • The temperatures of the heating roller thermistor/ 1 (TH1) is higher than a given level of degree for 1 second or more uninterruptedly. • The heater relay is OFF.
• Troubleshooting Guides: 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the open/close operation of the right door. 3 Check the fusing unit, MFPB and DCPU for proper connection and correct or change as necessary. 4 Change fusing unit. 5 Change MFPB. 6 Change DCPU.

• Code: C3752
• Description: Abnormal high temp. (press)
  • The temperature of the fusing pressure roller thermistor/1 (TH2) is higher than a given level of degree for 1 second or more uninterruptedly before the Heater temperature control starts. • The temperature of the fusing pressure roller thermistor/1 (TH2) is higher than a given level of degree for 1 second or more uninterruptedly after the heater temperature control starts.
• Troubleshooting Guides: 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the open/close operation of the right door. 3 Check the fusing unit, MFPB and DCPU for proper connection and correct or change as necessary. 4 Change fusing unit. 5 Change MFPB. 6 Change DCPU.

• Code: C3851
• Description: Abnormal low temp. (Heater)
  • The temperature of the heating roller thermistor/1 (TH1) is lower than a given level of degree for 1 second or more uninterruptedly during ready mode, low power mode or printing. • With the normal fusing temperature control, if the counting value for the zero cross signal input was not modified for the specified period of time, the counting will be performed for the zero cross signal error detection. The malfunction will be detected when the counted error value is over the specified value.
• Troubleshooting Guides: 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the open/close operation of the right door. 3 Check the fusing unit, MFPB and DCPU for proper connection and correct or change as necessary. 4 Change fusing unit. 5 Change MFPB. 6 Change DCPU.

• Code: C3852
• Description: Abnormal low temp. (press)
  • The temperature of the fusing pressure roller thermistor /1 (TH2) is lower than a given level of degree for 1 second or more uninterruptedly during ready mode, low power mode or printing.
• Troubleshooting Guides: 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the open/close operation of the right door. 3 Check the fusing unit, MFPB and DCPU for proper connection and correct or change as necessary. 4 Change fusing unit. 5 Change MFPB. 6 Change DCPU.

• Code: C4151
• Description: Polygon motor/C failure to turn
  • The polygon motor fails to turn stably even after the lapse of a given period of time after activating the polygon motor.
  • Motor lock signal detects HIGH for a given period time consecutively during the polygon motor is rotating.
• Troubleshooting Guides: 1 Check the connector for proper connection and correct as necessary. 2 Change PH unit. 3 Change PHICB. 4 Change MFPB.

• Code: C4152
• Description: Polygon motor/M failure to turn
• Troubleshooting Guides: 1 Check the connector for proper connection and correct as necessary. 2 Change PH unit. 3 Change PHICB. 4 Change MFPB.

• Code: C4153
• Description: Polygon motor/Y failure to turn
• Troubleshooting Guides: 1 Check the connector for proper connection and correct as necessary. 2 Change PH unit. 3 Change PHICB. 4 Change MFPB.

• Code: C4154
• Description: Polygon motor/K failure to turn
• Troubleshooting Guides: 1 Check the connector for proper connection and correct as necessary. 2 Change PH unit. 3 Change PHICB. 4 Change MFPB.

• Code: C4551
• Description: Laser malfunction (cyan)
  • SOS signal is not detected even after the lapse of a given period of time after staring the laser output.
  • SOS signal is not detected for a given period of time during printing or IDC sensor adjustment.
• Troubleshooting Guides: 1 Check the connector for proper connection and correct as necessary. 2 Change PH unit. 3 Change PHICB. 4 Change MFPB.

• Code: C4552
• Description: Laser malfunction (magenta)
• Troubleshooting Guides: 1 Check the connector for proper connection and correct as necessary. 2 Change PH unit. 3 Change PHICB. 4 Change MFPB.

• Code: C4553
• Description: Laser malfunction (yellow)
• Troubleshooting Guides: 1 Check the connector for proper connection and correct as necessary. 2 Change PH unit. 3 Change PHICB. 4 Change MFPB.

• Code: C4554
• Description: Laser malfunction (black)
• Troubleshooting Guides: 1 Check the connector for proper connection and correct as necessary. 2 Change PH unit. 3 Change PHICB. 4 Change MFPB.

• Code: C4705
• Description: Image output time out
  • No image data is output from the printer control board (PRCB).
• Troubleshooting Guides: 1 Select [Service Mode] – [State Confirmation] – [Memory/HDD Adj.] – [Memory Bus Check] – [Memory-PRT], and conduct the memory bus check function. 2 Check the connectors on PRCB for proper connection and correct as necessary. 3 Change PRCB

• Code: C4761
• Description: Compression hardware timeout
  • The hardware involved with the compression function offered by the printer control board (PRCB) does not respond.
• Troubleshooting Guides: 1 When the error is displayed after the memory check, remove and insert the DIMM0 and DIMM1 again to recheck (C4765). 2 Change PRCB.

• Code: C4765
• Description: Extraction hardware timeout
  • The hardware involved with the extraction function offered by the printer control board (PRCB) does not respond.
• Troubleshooting Guides: 1 When the error is displayed after the memory check, remove and insert the DIMM0 and DIMM1 again to recheck (C4765). 2 Change PRCB.

• Code: C4770 … C4783
• Description: The printer control board (PRCB) is faulty.
• Troubleshooting Guides: 1 When the error is displayed after the memory check, remove and insert the DIMM0 and DIMM1 again to recheck (C4765). 2 Change PRCB.

• Code: C5102
• Description: Main motor’s failure to turn
  • The motor lock signal remains HIGH for a predetermined continuous period of time while the motor is turning.
• Troubleshooting Guides: 1 Check the M1 connector for proper connection and correct as necessary. 2 Check M1 for proper drive coupling and correct as necessary. 3 Check the MFPB connector for proper connection and correct as necessary. 4 M1 operation check MFPB CNDM1-5 (REM) MFPB CNDM1-8 (LOCK) L-2. 5 Change MFPB. 6 Change DCPU.

• Code: C5103
• Description: Main motor turning at abnormal timing
  • The motor lock signal remains LOW for a predetermined continuous period of time while the motor remains stationary.
• Troubleshooting Guides: 1 M1 operation check MFPB CNDM1-5 (REM) MFPB CNDM1-8 (LOCK) L-2. 2 Change MFPB. 3 Change DCPU.

• Code: C5351
• Description: Power supply cooling fan motor/ 1’s failure to turn
  • The fan lock signal remains HIGH for a predetermined continuous period of time while the motor remains stationary.
• Troubleshooting Guides: 1 Check the connector of motor for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 M8 operation check MFPB CNLV3-2 (ON) MFPB CNLV3-3 (LOCK) C-25. 4 Change DCPU.

• Code: C5353
• Description: Cooling fan motor 2’s failure to turn
  • The fan lock signal remains HIGH for a predetermined continuous period of time while the motor remains stationary.
• Troubleshooting Guides: 1 Check the connector of motor for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 M22 operation check MFPB CNRE-3 (ON) MFPB CNR2FAN-6 (LOCK) L-8. 4 Change MFPB.

• Code: C5354
• Description: Ozone ventilation fan motor’s failure to turn
  • The fan Lock signal remains HIGH for a predetermined continuous period of time while the motor remains stationary.
• Troubleshooting Guides: 1 Check the connector of motor for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 M14 operation check MFPB CNLP-9 (ON) MFPB CNLP-11 (LOCK) C-10. 4 Change MFPB.

• Code: C5355
• Description: Cooling fan motor 3’s failure to turn
  • The fan lock signal remains HIGH for a predetermined continuous period of time while the motor remains stationary.
• Troubleshooting Guides: 1 Check the connector of motor for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 M23 operation check MFPB CNR2FAN-4 (ON) MFPB CNR2FAN-6 (LOCK) L-3. 4 Change MFPB.

• Code: C5357
• Description: Cooling fan motor/1’s failure to turn
  • The fan lock signal remains HIGH for a predetermined continuous period of time while the motor remains stationary.
• Troubleshooting Guides: 1 Check the connector of motor for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 M12 operation check MFPB CNR2FAN-7 (ON) MFPB CNR2FAN-9 (LOCK) L-3. 4 Change MFPB.

• Code: C5358
• Description: Power supply cooling fan motor/ 2’s failure to turn
  • The fan lock signal remains HIGH for a predetermined continuous period of time while the motor remains stationary.
• Troubleshooting Guides: 1 Check the connector of motor for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 M9 operation check MFPB CNLP-15 (ON) MFPB CNLP-16 (LOCK) C-10. 4 Change MFPB.

• Code: C6102
• Description: Drive home sensor malfunction
  • The scanner home sensor is unable to detect the scanner located at its home position. • The scanner home sensor is unable to detect a scanner even when the scanner motor has been driven to move the scanner over the maximum travelling distance. • The scanner home sensor detects the scanner when the scanner has moved 5 mm from the position, at which it blocks the scanner Home Sensor.
• Troubleshooting Guides: 1 Correct or change the scanner drive (cable, pulley, gear, belt) if it is faulty. 2 Correct the scanner motor set screw if loose. 3 Adjust [Image Position Leading Edge] and [Feed Direction Adjustment]. 4 Check the PC201, M201, SCADB and IPB connector for proper connection and correct as necessary. 5 PC201 I/O check, sensor check IPB PJ11IPB-8 (ON) T-13 6 M201 operation check SCADB PJ3SCADB-1 (REM) SCADB PJ3SCADB-3 (LOCK) Y-7. 7 Change SCADB. 8 Change IPB.

• Code: C6103
• Description: Slider over run
  • The scanner home sensor detects the scanner at its home position during a period of time that begins with the time when a prescan command and a scan preparation command are executed and ends when a home return command is executed.
• Troubleshooting Guides: 1 Correct or change the scanner drive (cable, pulley, gear, belt) if it is faulty. 2 Correct the scanner motor set screw if loose. 3 Adjust [Image Position Leading Edge] and [Feed Direction Adjustment]. 4 Check the PC201, M201, SCADB and IPB connector for proper connection and correct as necessary. 5 PC201 I/O check, sensor check IPB PJ11IPB-8 (ON) T-13 6 M201 operation check SCADB PJ3SCADB-1 (REM) SCADB PJ3SCADB-3 (LOCK) Y-7. 7 Change SCADB. 8 Change IPB.

• Code: C6301
• Description: Scanner cooling fan motor’s failure to turn
  • The fan lock signal remains HIGH for a predetermined continuous period of time while the motor remains stationary.
• Troubleshooting Guides: 1 Check the connector of motor for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 M202 operation check IPB PJ81IPB-2 (REM) IPB PJ81IPB-3 (LOCK) U-10. 4 Change IPB. 5 Change MFPB.

• Code: C6302
• Description: Exposure lamp cooling fan motor’s failure to turn
  • The fan lock signal remains HIGH for a predetermined continuous period of time while the motor remains stationary.
• Troubleshooting Guides: 1 Check the connector of motor for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 M203 operation check IPB PJ82IPB-2 (REM) IPB PJ82IPB-3 (LOCK) U-11. 4 Change IPB. 5 Change MFPB.

• Code: C6704
• Description: Image input time out
  • Image data is not input from the image processing board (IPB) to the printer control board (PRCB).
• Troubleshooting Guides: 1 Select [Service Mode] – [State Confirmation] – [Memory/HDD Adj.] – [Memory Bus Check] – [Scanner-Memory], and conduct the memory bus function. 2 Check the connectors between IPB and PRCB for proper connection and correct as necessary. 3 Change PRCB. 4 Change IPB.

• Code: C6751
• Description: CCD clamp/gain adjustment failure
  • The adjustment value is 0 or 255 during a CCD clamp adjustment. • The peak value of the output data is 64 or less during a CCD gain adjustment
• Troubleshooting Guides: 1 Correct the harness connection between CCDB and IPB if faulty. 2 Check for possible extraneous light and correct as necessary. 3 Clean the lens, mirrors, CCD surface, and shading sheet if dirty 4 Correct reflective mirror of the scanner if faulty, or change scanner. 5 Change CCD sensor unit. 6 Change IPB.

• Code: C8101
• Description: Pressure/retraction mechanism failure before image reading See DF-608
• Troubleshooting Guides:

• Code: C8102
• Description: Pressure/retraction mechanism failure at the turnover section See DF-608
• Troubleshooting Guides:

• Code: C8103
• Description: Lift up mechanism failure See DF-608
• Troubleshooting Guides:

• Code: C8104
• Description: Original glass travel failure See DF-608
• Troubleshooting Guides:

• Code: C8105
• Description: Original feeding interval failure See DF-608
• Troubleshooting Guides:

• Code: C8302
• Description: Cooling fan failure See DF-608
• Troubleshooting Guides:

• Code: C9401
• Description: Exposure lamp’s failure to turn ON
  • The output from the CCD sensor is a predetermined value or less during CCD sensor gain adjustment.
• Troubleshooting Guides: 1 Check the flat cable for proper connection and correct or change as necessary. 2 Change scanner assy. 3 Change IPB MFPB.

• Code: C9402
• Description: Exposure lamp turning ON at abnormal timing
  • The average output value of the CCD sensor with the scanner at its standby position is a predetermined value or more at the end of a scan job.
• Troubleshooting Guides: 1 Check the flat cable for proper connection and correct or change as necessary. 2 Change scanner assy. 3 Change IPB MFPB.

• Code: CA051
• Description: Standard controller configuration failure
  • The controller of the printer control board (PRCB) is faulty.
• Troubleshooting Guides: 1 Check to see if the following setting has been correctly made: [Service Mode] – [System 2] – [Image Controller Setting]. If changing the setting, turn OFF the main power switch and turn it ON again after 10 seconds or more. 2 Check the connectors of the printer control board (PRCB) for proper connection and correct as necessary. 3 Change PRCB.

• Code: CA052
• Description: Controller hardware error
  • A controller hardware error is detected in the network I/F.
• Troubleshooting Guides: 1 Check to see if the following setting has been correctly made: [Service Mode] – [System 2] – [Image Controller Setting]. If changing the setting, turn OFF the main power switch and turn it ON again after 10 seconds or more. 2 Check the connectors of the printer control board (PRCB) for proper connection and correct as necessary. 3 Change PRCB.

• Code: CA053
• Description: Controller start failure
  • A controller start failure is detected in the controller interface.
• Troubleshooting Guides: 1 Check to see if the following setting has been correctly made: [Service Mode] – [System 2] – [Image Controller Setting]. If changing the setting, turn OFF the main power switch and turn it ON again after 10 seconds or more. 2 Check the connectors of the printer control board (PRCB) for proper connection and correct as necessary. 3 Change PRCB.

• Code: CB001 … CB119
• Description: FAX Board Error
• Troubleshooting Guides:

• Code: CD004 … CD011
• Description: HDD error
• Troubleshooting Guides:

• Code: CF001 … CFF15
• Description: MFP Control Board error
• Troubleshooting Guides:

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