[SOLVED] Quick fix Konica-Minolta C250P list error codes

[SOLVED] Quick fix Konica-Minolta C250P list error codes

– Compatible Printer model: Konica-Minolta bizhub C250P
– Konica-Minolta bizhub C250P Error Codes with quick guides:

• Code: C0001
• Description: LCT Connection failed
• Troubleshooting Guides: 1 Check the Vendor connector for proper connection and correct as necessary. 2 Check the PWB-M connector for proper connection and correct as necessary. 3 Change PWB-M

• 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 PWB-Z-PC PJ6Z PC-3 (ON) S-24. 4 M3-PC operation check PWB-Z-PC PJ4Z PC-4 to 5 M-27. 5 Change PWB-Z-PC

• 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 M2-PC connector for proper connection and correct as necessary. 2 Check the connector of M2-PC for proper drive coupling and correct as necessary. 3 PC14 I/O check, Sensor check PWB-M CNTRY1-10 (ON) C-8 to 9. 4 M2-PC operation check PWB-Z-PC PJ5Z PC-5 to 8 M-25. 5 Change PWB-Z-PC.

• 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 PWB-M.

• Code: C1180
• Description: Finishing option transport system malfunction
• Troubleshooting Guides:

• Code: C1181
• Description: Finishing option Paddle Motor malfunction
• Troubleshooting Guides:

• Code: C1182
• Description: Finishing option Shift Motor mechanism malfunction
• Troubleshooting Guides:

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

• Code: C1190
• Description: Finishing option Aligning Bar moving mechanism malfunction
• Troubleshooting Guides:

• Code: C1192
• Description: Finishing option Front Aligning Motor malfunction
• Troubleshooting Guides:

• Code: C1193
• Description: Finishing option Rear Aligning Motor malfunction
• Troubleshooting Guides:

• Code: C11A1
• Description: Finishing option Exit Roller pressure/retraction failure
• Troubleshooting Guides:

• Code: C11A2
• Description: Finishing option Storage Roller pressure/retraction failure
• Troubleshooting Guides:

• Code: C11A4
• Description: Finishing option Exit Motor malfunction
• Troubleshooting Guides:

• Code: C11B0
• Description: Finishing option Stapler Unit CD drive failure
• Troubleshooting Guides:

• Code: C11B1
• Description: Finishing option Stapler Unit Slide Motor malfunction
• Troubleshooting Guides:

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

• Code: C11B4
• Description: Finishing option Staple/Folding Motor malfunction
• Troubleshooting Guides:

• Code: C11C1
• Description: Finishing option Punch Cam Motor drive failure
• Troubleshooting Guides:

• Code: C11C2
• Description: Finishing option Punch Unit Board malfunction
• Troubleshooting Guides:

• Code: C11C3
• Description: Finishing option Punch Side Registration Motor malfunction
• Troubleshooting Guides:

• Code: C11C5
• Description: Finishing option Punch Sensor malfunction
• Troubleshooting Guides:

• Code: C1401
• Description: Finishing option Backup RAM 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. 3 Change PWB-M.

• 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 PWB-M CNDM1-11 (ON) L-2. 4 M1 operation check PWB-M CNDM1-5 (REM) PWB-M CNDM1-8 (LOCK) L-2. 5 Change PWB-M.

• 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 PWB-M connector for proper connection and correct as necessary. 4 M2 operation check (C0018) PWB-M CNDM3-5 (REM) PWB-M CNDM3-8 (LOCK) C-21. 5 Change PWB-M.

• 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 PWB-M CNDM3-5 (REM) PWB-M CNDM3-8 (LOCK) C-21. 2 Change PWB-M.

• 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 PU1 connector for proper connection and correct as necessary. 4 Check the PWB-M connector for proper connection and correct as necessary. 5 M3 operation check PWB-M CNDM2-5 (REM) PWB-M CNDM2-8 (LOCK) C-20 to 21. 6 Change PU1. 7 Change PWB-M.

• 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 PWB-M CNDM2-5 (REM) PWB-M CNDM2-8 (LOCK) C-20 to 21. 2 Change PU1. 3 Change PWB-M.

• 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 PWB-M.

• 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 PWB-M CNDM2-10 to 13 (M6) PWB-M CNDM3-10 to 13 (M7) C-20 C-21. 4 Reinstall Imaging Unit. 5 Change Imaging Unit. 6 Change PWB-M. 7 Change PWB-MFP.

• 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 PWB-M. 5 Change PWB-MFP.

• 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 PWB-M CNDM2-10 to 13 (M6) PWB-M CNDM3-10 to 13 (M7) C-20 C-21. 4 Reinstall Imaging Unit. 5 Change Imaging Unit. 6 Change PWB-M. 7 Change PWB-MFP.

Solve Konica-Minolta bizhub C250P Error codes

• 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 PWB-M. 5 Change PWB-MFP.

• 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 PWB-M CNDM2-10 to 13 (M6) PWB-M CNDM3-10 to 13 (M7) C-20 C-21. 4 Reinstall Imaging Unit. 5 Change Imaging Unit. 6 Change PWB-M. 7 Change PWB-MFP.

• 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 PWB-M. 5 Change PWB-MFP.

• 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 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 M7 operation check PWB-M CNDM3-10 to 13 C-21 4 Reinstall Imaging Unit. 5 Change Imaging Unit /K. 6 Change PWB-M. 7 Change PWB-MFP.

• 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 PWB-M. 5 Change PWB-MFP.

• 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 PWB-M CNDM2-10 to 13 (M6) PWB-M CNDM3-10 to 13 (M7) C-20 C-21. 3 Reinstall Imaging Unit. 4 Change Imaging Unit. 5 Change PWB-M. 6 Change PWB-MFP.

• 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 PWB-M CNDM2-10 to 13 (M6) PWB-M CNDM3-10 to 13 (M7) C-20 C-21. 3 Reinstall Imaging Unit. 4 Change Imaging Unit. 5 Change PWB-M. 6 Change PWB-MFP.

• 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 PWB-M CNDM2-10 to 13 (M6) PWB-M CNDM3-10 to 13 (M7) C-20 C-21. 3 Reinstall Imaging Unit. 4 Change Imaging Unit. 5 Change PWB-M. 6 Change PWB-MFP.

• 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 PWB-M CNDM3-10 to 13 C-21. 3 Reinstall Imaging Unit /K. 4 Change Imaging Unit /K. 5 Change PWB-M. 6 Change PWB-MFPB.

• 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 PWB-M.

• 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 PWB-M.

• 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 PWB-M.

• 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 PWB-M.

• 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 Change Toner Cartridge. 4 Change PWB-MMFP.

• 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 Change Toner Cartridge. 4 Change PWB-MMFP.

• 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 Change Toner Cartridge. 4 Change PWB-MMFP.

• 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 Change Toner Cartridge. 4 Change PWB-MMFP.

• 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 PWB-M CNDM1-12 (ON) PWB-M CNDM1-14 (LOCK) L-2. 4 Change PWB-M.

• 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 PWB-M CNDM1-14 (ON) PWB-M CNDM1-17 (LOCK) L-1. 4 Change PWB-M.

• Code: C3451
• Description: Heat. Heater Trouble
  • The Heating Roller Thermistor/1 (TH1) and the Heating Roller Thermistor/2 (TH3) 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. • The detected temperature of the Heating Roller Thermistor/1 (TH1) is lower for a given level of degree than one of the Fusing Pressure Roller Thermistor/1 (TH2) after the Front Door is opened or closed, the Main Power Switch is turned ON or TROUBLE RESET is implemented. • The counter value of zero cross signal input is not updated for a given period of time.
• Troubleshooting Guides:

• Code: C3452
• Description: Press. Heater Trouble
  • The Fusing Pressure Roller Thermistor/1 (TH2) fails to raise a given degree of temperature even after the lapse of a given period of time after the Fusing Pressure Heater Lamp (H3) is turned ON. • The detected temperature of the Fusing Pressure Roller Thermistor/1 (TH2) is lower for a given level of degree than one of the Heating Roller Thermistor/1 (TH1) after the Front Door is opened or closed, the Main Power Switch is turned ON or TROUBLE RESET is implemented.
• Troubleshooting Guides: 1 Check the Fusing Unit for correct installation (whether it is secured in position). 2 Check the Fusing Unit, PWB-M and PU1 for proper connection and correct or change as necessary. 3 Change Fusing Unit. 4 Change PWB-M. 5 Change PU1.

• 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, PWB-M for proper connection and correct or change as necessary. 3 Reinstall Fusing Unit. 4 Change Fusing Unit. 5 Change PWB-M.

• Code: C3751
• Description: Abnormal High Temp. (Heater)
  • The temperatures of the Heating Roller Thermistor/1 (TH1) and the Heating Roller Thermistor/ 2 (TH3) are 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 Fusing Unit, PWB-M and PU1 for proper connection and correct or change as necessary. 3 Change Fusing Unit. 4 Change PWB-M. 5 Change PU1.

• 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 Fusing Unit, PWB-M and PU1 for proper connection and correct or change as necessary. 3 Change Fusing Unit. 4 Change PWB-M. 5 Change PU1.

• 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. • The temperature of the Heating Roller Thermistor/2 (TH3) 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 Fusing Unit, PWB-M and PU1 for proper connection and correct or change as necessary. 3 Change Fusing Unit. 4 Change PWB-M. 5 Change PU1.

• 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 Fusing Unit, PWB-M and PU1 for proper connection and correct or change as necessary. 3 Change Fusing Unit. 4 Change PWB-M. 5 Change PU1.

• Code: C3A01
• Description: Paper Stuck to Fuser Heater Roller
  • The temperature of the Heating Roller Thermistor /1 (TH1) goes down by a given level of degree compared to the temperature of a given period of time before when the paper passes on the Timing Roller and blocks the Exit Sensor (PC2).
• Troubleshooting Guides: 1 Check the Fusing Unit for correct installation (whether it is secured in position). 2 Check the Fusing Unit, PWB-M for proper connection and correct or change as necessary. 3 PC2 I/O check, Sensor check PWB-M CNTH2-8 (ON) C-13. 4 Change Fusing Unit. 5 Change PWB-M. 6 Change PU1.

• Code: C3A02
• Description: Paper Stuck to Fuser Pressure Roller
  • The temperature of the Fusing Pressure Roller Thermistor /1 (TH2) goes down by a given level of degree compared to the temperature of a given period of time before when the paper passes on the Timing Roller and blocks the Exit Sensor (PC2).
• Troubleshooting Guides: 1 Check the Fusing Unit for correct installation (whether it is secured in position). 2 Check the Fusing Unit, PWB-M for proper connection and correct or change as necessary. 3 PC2 I/O check, Sensor check PWB-M CNTH2-8 (ON) C-13. 4 Change Fusing Unit. 5 Change PWB-M. 6 Change PU1.

• 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 H 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 PWB-D. 4 Change PWB-M.

• 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 PWB-D. 4 Change PWB-M.

• 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 PWB-D. 4 Change PWB-M.

• 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 PWB-D. 4 Change PWB-M.

• 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 PWB-D. 4 Change PWB-M.

• Code: C4552
• Description: Laser malfunction (Magenta)
  • 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 PWB-D. 4 Change PWB-M.

• Code: C4553
• Description: Laser malfunction (Yellow)
  • 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 PWB-D. 4 Change PWB-M.

• Code: C4554
• Description: Laser malfunction (Black)
  • 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 PWB-D. 4 Change PWB-M.

• Code: C4705
• Description: Image Output Time Out
  • No image data is output from the MFP Control Board (PWB-MFP).
• Troubleshooting Guides: 1 Select [Service Mode] – [State Confirmation] – [Memory/HDD Adj.] – [Memory Bus Check] – [Memory – PRT]. 2 Check the connectors on PWB-MFP for proper connection and correct as necessary. 3 Change PWB-MFP

• Code: C4761
• Description: Compression hardware timeout
  • The hardware involved with the compression function offered by the MFP Control Board (PWBMFP) 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 PWB-MFPnge PWB-M

• Code: C4765
• Description: Extraction hardware timeout
  • The hardware involved with the extraction function offered by the MFP Control Board (PWBMFP) 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 PWB-MFPnge PWB-M

• Code: C4770 … C4773
• Description: JBIG0 Error
  • The MFP Control Board (PWB-MFP) 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 PWB-MFPnge PWB-M

• Code: C4780 … C4783
• Description: Compressor command buffer stop failure
• 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 PWB-MFPnge PWB-M

• 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 PWB-M connector for proper connection and correct as necessary. 4 M1 operation check PWB-M CNDM1-5 (REM) PWB-M CNDM1-8 (LOCK) L-2. 5 Change PWB-M. 6 Change PU1.

• 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 PWB-M CNDM1-5 (REM) PWB-M CNDM1-8 (LOCK) L-2. 2 Change PWB-M. 3 Change PU1.

• 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 PWB-M CNLV3-2 (ON) PWB-M CNLV3-3 (LOCK) C-25. 4 Change PU1.

• 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 PWB-M CNR2FAN-4 (ON) PWB-M CNR2FAN-6 (LOCK) L-3. 4 Change PWB-M.

• 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 PWB-M CNLP-9 (ON) PWB-M CNLP-11 (LOCK) C-10. 4 Change PWB-MWB-M.

• 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 PWB-M CNDM2-15 (ON) PWB-M CNDM2-16 (LOCK) C-20. 4 Change PWB-M.

• 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 PWB-M CNLP-15 (ON) PWB-M CNLP-16 (LOCK) C-9. 4 Change PWB-M.

• 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 traveling 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, PWB-IC and PWB-C connector for proper connection and correct as necessary. 5 PC201 I/O check, Sensor check PWB-C PJ11C-8 (ON) T-13 6 M201 operation check PWB-IC PJ3IC-1 (REM) PWB-IC PJ3IC-3 (LOCK) Y-7. 7 Change PWB-IC. 8 Change PWB-C.

• 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, PWB-IC and PWB-C connector for proper connection and correct as necessary. 5 PC201 I/O check, Sensor check PWB-C PJ11C-8 (ON) T-13 6 M201 operation check PWB-IC PJ3IC-1 (REM) PWB-IC PJ3IC-3 (LOCK) Y-7. 7 Change PWB-IC. 8 Change PWB-C.

• 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 PWB-C PJ81C-2 (REM) PWB-C PJ81C-3 (LOCK) T-10 to 11. 4 Change PWB-C. 5 Change PWB-M.

• Code: C6704
• Description: Image Input Time Out
  • Image data is not input from the Image Processing Board (PWB-C) to the MFP Control Board (PWB-MFP).
• Troubleshooting Guides: 1 Select [Service Mode] – [State Confirmation] – [Memory/HDD Adj.] – [Memory Bus Check] – [Scanner??Memory]. 2 Check the connectors between PWB-C and PWB-MFP for proper connection and correct as necessary. 3 Change PWB-MFP. 4 Change PWB-Cge PWB-M.

• 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 PWB-A and PWB-C 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 PWB-A. 6 Change PWB-C.

• 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 PWB-C.

• 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 PWB-C.

• Code: CA051
• Description: Standard controller configuration failure
  • The controller of the MFP Control Board (PWBMFP) 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 SW and turn it ON again after 10 seconds or more. 2 Check the connectors of the MFP Control Board (PWB-MFP) for proper connection and correct as necessary. 3 Change PWB-MFP

• 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 SW and turn it ON again after 10 seconds or more. 2 Check the connectors of the MFP Control Board (PWB-MFP) for proper connection and correct as necessary. 3 Change PWB-MFP

• 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 SW and turn it ON again after 10 seconds or more. 2 Check the connectors of the MFP Control Board (PWB-MFP) for proper connection and correct as necessary. 3 Change PWB-MFP

• 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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