[SOLVED] Quick fix Konica-Minolta 235 list error codes

[SOLVED] Quick fix Konica-Minolta 235 list error codes

– Compatible Printer model: Konica-Minolta bizhub 235
– Konica-Minolta bizhub 235 Error Codes with quick guides:

• Code: C0211
• Description: Bypass tray up/down failure
  – While the bypass lift sensor (PS2) is in the OFF state after the power is turned ON, output is finished, or a paper jam is cleared, PS2 is not turned ON within the given time after the bypass pick-up solenoid (SD1) has been turned ON. Then SD1 is turned ON again, but PS2 cannot be turned ON within the given time.
  – When the bypass lift sensor (PS2) is in the ON state, PS2 is not turned OFF within the given time after the bypass pick-up solenoid (SD1) has been turned ON.
• Troubleshooting Guides: 1 Check the connector between M1-MFPB P006 for proper connection and correct as necessary. 2 Check M1 for correct drive coupling and correct as necessary. 3 Check the connector between CL1-relay CN3-relay CN6- MFPB P008 for proper connection and correct as necessary. 4 CL1 operation check. 5 Check the connector between SD1-relay CN4-relay CN6- MFPB P008 for proper connection and correct as necessary. 6 M1 operation check. 7 SD1 operation check. 8 Change MFPB.

• Code: C03FF
• Description: Faulty model setting
  – “Model Setting” of “Adjust” available from the Service mode is incorrectly set.
• Troubleshooting Guides:

• Code: C2351
• Description: Cooling fan motor malfunction
  – The fan lock signal remains HIGH for a predetermined continuous period of time while the cooling fan motor (FM2) is turning.
• Troubleshooting Guides: 1 Check the connector between FM2-relay CN27-MFPB P013 for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 FM2 operation check. 4 Change MFPB.

• Code: C2557
• Description: Abnormally low toner density detected TCR sensor board
  – The T/C ratios detected by the TCR sensor board (TCRSB) are below the threshold for the detection of abnormally low T/C ratio for three successive times. However, if a toner empty condition is detected, this abnormality is not detected.
• Troubleshooting Guides: 1 Check to see if developer is available. 2 Check the connector between TCRSB-relay CN14-MFPB P010 for proper connection and correct as necessary. 3 Change TCRSB. 4 Change MFPB.

• Code: C2558
• Description: Abnormally high toner density detected TCR sensor board
  – The T/C ratios detected by the TCR sensor board (TCRSB) are above the threshold for the detection of abnormally high T/C ratio for three successive times.
  – The connector between MFPB to TCRSB is disconnected.
• Troubleshooting Guides: 1 Check to see if developer is available. 2 Check the connector between TCRSB-relay CN14-MFPB P010 for proper connection and correct as necessary. 3 Change TCRSB. 4 Change MFPB.

• Code: C255C
• Description: TCR sensor board adjustment failure
  – When TCR AUTO ADJUST is performed, the difference between the TCR sensor output voltage determined by TCR AUTO ADJUST and the standard voltage is greater than the threshold value.
• Troubleshooting Guides: 1 Check to see if developer is available. 2 Check the connector between TCRSB-relay CN14-MFPB P010 for proper connection and correct as necessary. 3 Change TCRSB. 4 Change MFPB.

• Code: C2702
• Description: Abnormal image transfer voltage (HV)
  – The image transfer voltage remains more than 100 V continuously for a given period of time while the drum remains stationary.
• Troubleshooting Guides: 1 Check the transfer roller unit for installation. 2 Change HV1. 3 Change MFPB.

• Code: C3451
• Description: Warming-up failure
  – The thermistor/1 (TH1) detected that the temperature of the surface of the fusing roller did not reach the specified level even after the lapse of given period of time has passed during warm-up.
• Troubleshooting Guides: 1 Check the fusing unit for correct installation. 2 Check the open/close operation of the right door. 3 Check the fusing unit, DCPU and MFPB for proper connection and correct or change as necessary. 4 Change fusing unit. 5 Change MFPB. 6 Change DCPU.

• Code: C3452
• Description: Warming-up failure (sub)
  – The thermistor/2 (TH2) detected that the temperature of the surface of the fusing roller did not reach the specified level even after the lapse of given period of time has passed during warm-up.
• Troubleshooting Guides: 1 Check the fusing unit for correct installation. 2 Check the open/close operation of the right door. 3 Check the fusing unit, DCPU and MFPB for proper connection and correct or change as necessary. 4 Change fusing unit. 5 Change MFPB. 6 Change DCPU.

• Code: C3751
• Description: Abnormally high fusing temperature (main)
  – The temperature detected by the thermistor/1 (TH1) is over the specified temperature for more than the specified period of time after power is turned ON.
• Troubleshooting Guides: 1 Check the fusing unit for correct installation. 2 Check the open/close operation of the right door. 3 Check the fusing unit, DCPU and MFPB for proper connection and correct or change as necessary. 4 Change fusing unit. 5 Change MFPB. 6 Change DCPU.

• Code: C3752
• Description: Abnormally high fusing temperature (sub)
  – The temperature detected by the thermistor/2 (TH2) is over the specified temperature for more than the specified period of time after power is turned ON.
• Troubleshooting Guides: 1 Check the fusing unit for correct installation. 2 Check the open/close operation of the right door. 3 Check the fusing unit, DCPU and MFPB for proper connection and correct or change as necessary. 4 Change fusing unit. 5 Change MFPB. 6 Change DCPU.

• Code: C3851
• Description: Abnormally low fusing temperature (main)
  – The temperature detected by the thermistor/1 (TH1) is below the specified temperature for more than the specified period of time.
• Troubleshooting Guides: 1 Check the fusing unit for correct installation. 2 Check the open/close operation of the right door. 3 Check the fusing unit, DCPU and MFPB for proper connection and correct or change as necessary. 4 Change fusing unit. 5 Change MFPB. 6 Change DCPU.

• Code: C3852
• Description: Abnormally low fusing temperature (sub)
  – The temperature detected by the thermistor/2 (TH2) is below the specified temperature for more than the specified period of time.
• Troubleshooting Guides: 1 Check the fusing unit for correct installation. 2 Check the open/close operation of the right door. 3 Check the fusing unit, DCPU and MFPB for proper connection and correct or change as necessary. 4 Change fusing unit. 5 Change MFPB. 6 Change DCPU.

• Code: C4001
• Description: Faulty HSYNC (SOS)
  – The SOS sensor does not detect a rising edge of SOS within a given period of time after the polygon motor has started turning and a laser output has been started.
  – The SOS sensor detects no falling edges of SOS while VIA (image area control) is ON.
• Troubleshooting Guides: 1 Turn OFF and ON the power switch. 2 Check the connector between PH unit-MFPB P001, P002 for proper connection and correct as necessary. 3 Change PH unit. 4 Change MFPB.

• Code: C4101
• Description: Polygon motor rotation malfunction
  – A HIGH polygon motor lock signal is not detected within a given period of time that begins 0.5 sec. after the polygon motor has started turning.
  – A LOW polygon motor lock signal is detected for a continuous given period of time while the rotation of the polygon motor remains stabilized.
• Troubleshooting Guides: 1 Turn OFF and ON the power switch. 2 Check the connector between PH unit-MFPB P001, P002 for proper connection and correct as necessary. 3 Change PH unit. 4 Change MFPB.

• Code: C5102
• Description: Main motor malfunction
  – The main motor (M1) lock signal remains HIGH for a continuous 1-sec. period after 1- sec. after the main motor has started turning.
• Troubleshooting Guides: 1 Check the connector between M1-MFPB P006 for proper connection and correct as necessary. 2 Check M1 for correct drive coupling and correct as necessary. 3 M1 operation check. 4 Change MFPB. 5 Change DCPU

• Code: C5351
• Description: Fusing cooling fan motor malfunction
  – The fan lock signal remains HIGH for a predetermined continuous period of time while the fusing cooling fan motor (FM1) is turning.
• Troubleshooting Guides: 1 Check the connector between FM1-relay CN42-relay CN13-MFPB P013 for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 FM1 operation check. 4 Change MFPB.

• Code: C6101
• Description: Scanner home detection failure
  – When the power switch is turned ON or a scan operation is completed, detecting the home position fails.
• Troubleshooting Guides: 1 Turn OFF and ON the power switch. 2 Check the connector between M3-MFPB P101 for proper connection and correct as necessary. 3 Check M3 for correct drive coupling and correct as necessary. 4 Check the connector between CIS-MFPB P102 for proper connection and correct as necessary. 5 M3 operation check. 6 Change M3. 7 Change CIS. 8 Change MFPB.

• Code: C9401
• Description: IR exposure lamp malfunction
  – When the power switch is turned ON or a scan operation is completed, the light quantity is checked and the shading compensation is performed. At this time, trouble is detected.
• Troubleshooting Guides: 1 Turn OFF and ON the power switch. 2 Check the connector between CIS-MFPB P102 for proper connection and correct as necessary. 3 Change CIS 4 Change MFPB.

• Code: CC151
• Description: Flash ROM error
  – The copier determines that there is an error if writing to the flash ROM fails during upgrading of the firmware.
  – When the power switch is turned ON, the error indicator lights up steadily and a corresponding message appears on the display.
  – If this error message appears, no operations can then be performed. It is not possible to upgrade the firmware from a PC connected through USB connection, either.
• Troubleshooting Guides: 1 Check the MFPB connectors for proper connection and correct as necessary. 2 Identify the specific firmware that is responsible for the error. 3 Perform upgrading of the firmware. 4 Change MFPB.

• Code: CC153
• Description: Engine flash ROM error
  – Data of flash ROM of the engine control system is determined to be faulty.
• Troubleshooting Guides: 1 Check the MFPB connectors for proper connection and correct as necessary. 2 Identify the specific firmware that is responsible for the error. 3 Perform upgrading of the firmware. 4 Change MFPB.

• Code: CC163
• Description: Engine connection failure
  – The controller can not communicate with the engine control system.
  – Incorrect engine firmware is installed.
• Troubleshooting Guides: 1 Turn OFF and ON the power switch. 2 Check whether the correct engine firmware is installed. If not, rewrite the firmware. J.1. Rewriting of firmware 3 Check the MFPB connectors for proper connection and correct as necessary. 4 Change MFPB.

• Code: CD301
• Description: EEPROM error
  – Contact the responsible people of KMBT before taking some countermeasures.
• Troubleshooting Guides:

Solve Konica-Minolta bizhub 235 Error codes

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