[SOLVED] Quick fix Konica-Minolta Di3510 list error codes

[SOLVED] Quick fix Konica-Minolta Di3510 list error codes

– Compatible Printer model: Konica-Minolta Di3510
– Konica-Minolta Di3510 Error Codes with quick guides:

• Code: C0000
• Description: Main Motor Failure
  • The Transport Motor Lock signal remains set to H for a set period of time while the Transport Motor is turning.
• Troubleshooting Guides: 1 Check the M2 connector for proper connection, and correct as necessary 2 Check the M2 for proper drive coupling, and correct as necessary. 3 M2 operation check. 4 Replace PWB-A. 5 Replace PU1.

• Code: C0010
• Description: Imaging Unit Motor Failure
  • The Imaging Unit Motor Lock signal remains set to H for a set period of time while the Imaging Unit Motor is turning. • The Imaging Unit Motor Lock signal remains set to L for a set period of time while the Imaging Unit Motor remains stopped.
• Troubleshooting Guides: 1 Check the M1 connector for proper connection, and correct as necessary. 2 Check the M1 for proper drive coupling, and correct as necessary 3 M1 operation check. 4 Replace PWB-A. 5 Replace PU1.

• Code: C0044
• Description: EDH Fan Motor Failure
  • Refer to the Service Manual for the relevant option.
• Troubleshooting Guides:

• Code: C0045
• Description: Cooling Fan Failure
  • The Cooling Fan Motor Lock signal remains set to H for a set period of time while the Cooling Fan Motor is turning. • The Cooling Fan Motor Lock signal remains set to L for a set period of time while the Cooling Fan Motor remains stopped.
• Troubleshooting Guides: 1 Check the motor connectors for proper connection, and correct as necessary. 2 Check the fan for possible overload, and correct as necessary. 3 M5 operation check. 4 Replace PWB-A.

• Code: C004E
• Description: Power Unit Cooling Fan Failure
  • The Power Unit Cooling Fan Motor Lock signal remains set to H for a set period of time while the Power Unit Cooling Fan Motor is turning. • The Power Unit Cooling Fan Motor Lock signal remains set to L for a set period of time while the Power Unit Cooling Fan Motor remains stopped.
• Troubleshooting Guides: 1 Check the motor connectors for proper connection, and correct as necessary. 2 Check the fan for possible overload, and correct as necessary. 3 M4 operation check. 4 Replace PWB-A.

• Code: C004F
• Description: IU Cooling Fan Failure
  • The I/U Cooling Fan Motor Lock signal remains set to H for a set period of time while the I/U Cooling Fan Motor is turning. • The I/U Cooling Fan Motor Lock signal remains set to L for a set period of time while the I/U Cooling Fan Motor remains stopped.
• Troubleshooting Guides: 1 Check the motor connectors for proper connection, and correct as necessary. 2 Check the fan for possible overload, and correct as necessary. 3 M6 operation check. 4 Replace PWB-A.

• Code: C0214
• Description: Abnormal Image Transfer Voltage
  • The image transfer voltage exceeds 100 V for the set period of time while the Imaging Unit Motor remains stopped.
• Troubleshooting Guides: 1 Check the installation of the Image Transfer Roller. 2 Replace TH1.

• Code: C0500
• Description: Fusing Warm-Up Failure (Main)
  • The Fusing Roller Thermistor does not detect the required temperature within 30 sec. after a warm-up cycle has begun; therefore, the copier does not complete the warm-up cycle. • The temperature of the Fusing Rollers does not reach the required level even after the set period of time has elapsed during a warm-up cycle.
• Troubleshooting Guides: 1 Check that the Fusing Roller Heater Lamp comes on when the Power Switch is set to ON, and correct or replace as necessary. 2 Check that the Fusing Roller Sub Heater Lamp comes on when the Power Switch is set to ON, and correct or replace as necessary. 3 Check the installation of the Fusing Roller Thermistor and the Fusing Roller Sub Thermistor, and correct or clean as necessary. 4 Check the operation of the Fusing Roller Thermistor. Remove CN80 (4P), and then check that the resistance across CN80-2 and – 3 on the Thermistor is infinity. 5 Check the operation of the Fusing Roller Sub Thermistor. Remove CN81 (4P), and then check that the resistance across CN81-2 and – 3 on the Thermistor is infinity. 6 Check the continuity of the Fusing Roller Heater Lamp. Correct or replace as necessary. 7 Check the continuity of the Fusing Roller Sub Heater Lamp. Correct or replace as necessary. 8 Replace PU1. 9 Replace PWB-A.

• Code: C0501
• Description: Fusing Warm-Up Failure (Sub)
  • The Fusing Roller Sub Thermistor does not detect the required temperature within 30 sec. after a warm-up cycle has begun; therefore, the copier does not complete the warm-up cycle. • The temperature of the Fusing Rollers does not reach the required level even after the set period of time has elapsed during a warm-up cycle.
• Troubleshooting Guides: 1 Check that the Fusing Roller Heater Lamp comes on when the Power Switch is set to ON, and correct or replace as necessary. 2 Check that the Fusing Roller Sub Heater Lamp comes on when the Power Switch is set to ON, and correct or replace as necessary. 3 Check the installation of the Fusing Roller Thermistor and the Fusing Roller Sub Thermistor, and correct or clean as necessary. 4 Check the operation of the Fusing Roller Thermistor. Remove CN80 (4P), and then check that the resistance across CN80-2 and – 3 on the Thermistor is infinity. 5 Check the operation of the Fusing Roller Sub Thermistor. Remove CN81 (4P), and then check that the resistance across CN81-2 and – 3 on the Thermistor is infinity. 6 Check the continuity of the Fusing Roller Heater Lamp. Correct or replace as necessary. 7 Check the continuity of the Fusing Roller Sub Heater Lamp. Correct or replace as necessary. 8 Replace PU1. 9 Replace PWB-A.

• Code: C0510
• Description: Low Fuser Temperature Failure (Main)
  • The Fusing Roller Thermistor and Fusing Roller Sub Thermistor are detected to be at a temperature below 105C during standby. • The Fusing Roller Thermistor and Fusing Roller Sub Thermistor are detected to be at a temperature below 105C during printing.
• Troubleshooting Guides: 1 Check that the Fusing Roller Heater Lamp comes on when the Right-Side Door is opened, then closed, and correct or replace as necessary. 2 Check that the Fusing Roller Sub Heater Lamp comes on when the Right-Side Door is opened, then closed, and correct or replace as necessary. 3 Check the installation of the Fusing Roller Thermistor and the Fusing Roller Sub Thermistor, and correct or clean as necessary. 4 Check the operation of the Fusing Roller Thermistor. Remove CN80 (4P), and then check that the resistance across CN80-2 and -3 on the Thermistor is infinity. 5 Check the operation of the Fusing Roller Sub Thermistor. Remove CN81 (4P), and then check that the resistance across CN81-2 and -3 on the Thermistor is infinity. 6 Check the continuity of the Fusing Roller Heater Lamp. Correct or replace as necessary. 7 Check the continuity of the Fusing Roller Sub Heater Lamp. Correct or replace as necessary. 8 Replace PU1. 9 Replace PWB-A.

• Code: C0511
• Description: Low Fuser Temperature Failure (Sub)
  • The Fusing Roller Thermistor and Fusing Roller Sub Thermistor are detected to be at a temperature below 105C during standby. • The Fusing Roller Thermistor and Fusing Roller Sub Thermistor are detected to be at a temperature below 105C during printing.
• Troubleshooting Guides: 1 Check that the Fusing Roller Heater Lamp comes on when the Right-Side Door is opened, then closed, and correct or replace as necessary. 2 Check that the Fusing Roller Sub Heater Lamp comes on when the Right-Side Door is opened, then closed, and correct or replace as necessary. 3 Check the installation of the Fusing Roller Thermistor and the Fusing Roller Sub Thermistor, and correct or clean as necessary. 4 Check the operation of the Fusing Roller Thermistor. Remove CN80 (4P), and then check that the resistance across CN80-2 and -3 on the Thermistor is infinity. 5 Check the operation of the Fusing Roller Sub Thermistor. Remove CN81 (4P), and then check that the resistance across CN81-2 and -3 on the Thermistor is infinity. 6 Check the continuity of the Fusing Roller Heater Lamp. Correct or replace as necessary. 7 Check the continuity of the Fusing Roller Sub Heater Lamp. Correct or replace as necessary. 8 Replace PU1. 9 Replace PWB-A.

• Code: C0520
• Description: High Fuser Temperature Failure (Main)
  • The Fusing Roller Thermistor and Fusing Roller Sub Thermistor are detected to be at a temperature above 240C when the Power Switch is set to ON. • The Fusing Roller Thermistor and Fusing Roller Sub Thermistor are detected to be at a temperature above 240C when the Power Switch is set to ON.
• Troubleshooting Guides: 1 Check that the Fusing Roller Heater Lamp comes on when the Right-Side Door is opened, then closed, and correct or replace as necessary. 2 Check that the Fusing Roller Sub Heater Lamp comes on when the Right-Side Door is opened, then closed, and correct or replace as necessary. 3 Check the installation of the Fusing Roller Thermistor and the Fusing Roller Sub Thermistor, and correct or clean as necessary. 4 Check the operation of the Fusing Roller Thermistor. Remove CN80 (4P), and then check that the resistance across CN80-2 and -3 on the Thermistor is infinity. 5 Check the operation of the Fusing Roller Sub Thermistor. Remove CN81 (4P), and then check that the resistance across CN81-2 and -3 on the Thermistor is infinity. 6 Check the continuity of the Fusing Roller Heater Lamp. Correct or replace as necessary. 7 Check the continuity of the Fusing Roller Sub Heater Lamp. Correct or replace as necessary. 8 Replace PU1. 9 Replace PWB-A.

• Code: C0521
• Description: High Fuser Temperature Failure (Sub)
  • The Fusing Roller Thermistor and Fusing Roller Sub Thermistor are detected to be at a temperature above 240C when the Power Switch is set to ON. • The Fusing Roller Thermistor and Fusing Roller Sub Thermistor are detected to be at a temperature above 240C when the Power Switch is set to ON.
• Troubleshooting Guides: 1 Check that the Fusing Roller Heater Lamp comes on when the Right-Side Door is opened, then closed, and correct or replace as necessary. 2 Check that the Fusing Roller Sub Heater Lamp comes on when the Right-Side Door is opened, then closed, and correct or replace as necessary. 3 Check the installation of the Fusing Roller Thermistor and the Fusing Roller Sub Thermistor, and correct or clean as necessary. 4 Check the operation of the Fusing Roller Thermistor. Remove CN80 (4P), and then check that the resistance across CN80-2 and -3 on the Thermistor is infinity. 5 Check the operation of the Fusing Roller Sub Thermistor. Remove CN81 (4P), and then check that the resistance across CN81-2 and -3 on the Thermistor is infinity. 6 Check the continuity of the Fusing Roller Heater Lamp. Correct or replace as necessary. 7 Check the continuity of the Fusing Roller Sub Heater Lamp. Correct or replace as necessary. 8 Replace PU1. 9 Replace PWB-A.

• Code: C0900
• Description: 3rd Drawer Lift-Up Motor Failure
• Troubleshooting Guides: 1 Check the connectors of each motor and sensor for proper connection, and correct as necessary. 2 Check the connector of each motor for proper drive coupling, and correct as necessary. 3 Check the PU1 connector for proper connection, and correct as necessary. 4 PC6 sensor check. 5 PC12 sensor check. 6 PC114-PF sensor check. 7 PC123-PF sensor check. 8 M7 operation check. 9 M8 operation check. 10 M124-PF operation check. 11 M125-PF operation check. 12 Replace PWB-A. 13 Replace the PWB-C2 PF Control Board. 14 Replace PU1.

• Code: C0910
• Description: 2nd Drawer Lift-Up Motor Failure
• Troubleshooting Guides: 1 Check the connectors of each motor and sensor for proper connection, and correct as necessary. 2 Check the connector of each motor for proper drive coupling, and correct as necessary. 3 Check the PU1 connector for proper connection, and correct as necessary. 4 PC6 sensor check. 5 PC12 sensor check. 6 PC114-PF sensor check. 7 PC123-PF sensor check. 8 M7 operation check. 9 M8 operation check. 10 M124-PF operation check. 11 M125-PF operation check. 12 Replace PWB-A. 13 Replace the PWB-C2 PF Control Board. 14 Replace PU1.

• Code: C0920
• Description: 1st Drawer Lift-Up Motor Failure
• Troubleshooting Guides: 1 Check the connectors of each motor and sensor for proper connection, and correct as necessary. 2 Check the connector of each motor for proper drive coupling, and correct as necessary. 3 Check the PU1 connector for proper connection, and correct as necessary. 4 PC6 sensor check. 5 PC12 sensor check. 6 PC114-PF sensor check. 7 PC123-PF sensor check. 8 M7 operation check. 9 M8 operation check. 10 M124-PF operation check. 11 M125-PF operation check. 12 Replace PWB-A. 13 Replace the PWB-C2 PF Control Board. 14 Replace PU1.

• Code: C0950
• Description: 4th Drawer Lift-Up Motor Failure
• Troubleshooting Guides: 1 Check the connectors of each motor and sensor for proper connection, and correct as necessary. 2 Check the connector of each motor for proper drive coupling, and correct as necessary. 3 Check the PU1 connector for proper connection, and correct as necessary. 4 PC6 sensor check. 5 PC12 sensor check. 6 PC114-PF sensor check. 7 PC123-PF sensor check. 8 M7 operation check. 9 M8 operation check. 10 M124-PF operation check. 11 M125-PF operation check. 12 Replace PWB-A. 13 Replace the PWB-C2 PF Control Board. 14 Replace PU1.

• Code: C0960
• Description: Manual Bypass Paper-Lifting Failure
  • The Manual Feed Tray Lift-Up Sensor (PC29) is not blocked or unblocked even after the set period of time has elapsed after the Manual Paper Feed Pick-Up Solenoid (SL3) is energized after the manual feed paper take-up operation has begun.
• Troubleshooting Guides: 1 Check the SL3 connector for proper connection, and correct as necessary. 2 PC29 sensor check. 3 SL3 operation check. 4 Replace PWB-A. 5 Replace PU1.

• Code: C0990
• Description: LCC Elevator Motor Failure
  • The Elevator Motor Pulse Sensor (PC10-LCC) cannot detect both edges of H/L even after the set period of time has elapsed while the Elevator Motor (M5-LCC) is turning backward/forward (raise/lower).
• Troubleshooting Guides: 1 Check the motor connectors and other connectors for proper connection, and correct as necessary. 2 PC10-LCC sensor check. 3 M5-LCC operation check. 4 Replace PWB-A.

• Code: C0991
• Description: LCC Lift Failure
  • The Tray Upper Limit Sensor (PC4-LCC) is not unblocked even after the set period of time has elapsed after the paper lift-up operation has begun. • The Tray Upper Limit Sensor (PC4-LCC) is not unblocked even after the set pulse is detected by the Elevator Motor Pulse Sensor (PC10-LCC) after the paper lift-up operation has begun. • The Tray Upper Limit Sensor (PC4-LCC) is not unblocked even after the set period of time has elapsed with paper loaded during the paper lift-up operation. • The Tray Lower Position Sensor (PC13-LCC) is not blocked even after the set pulse is detected by the Elevator Motor Pulse Sensor (PC10-LCC) after the paper lift-up operation has begun. • The Tray Lower Position Sensor (PC13-LCC) is not blocked even after the set period of time has elapsed after the lowering operation has begun. • The Tray Lower Position Sensor (PC13-LCC) is not unblocked even after the set pulse is detected by the Elevator Motor Pulse Sensor (PC10-LCC) after the lowering operation has begun. • The Tray Upper Limit Sensor (PC4-LCC) is not blocked even after the set pulse is detected by the Elevator Motor Pulse Sensor (PC10-LCC) after the paper lift-up operation has begun. • The Lower Limit Sensor (PC7-LCC) is not unblocked during the lowering operation.
• Troubleshooting Guides: 1 Check the sensor connector for proper connection, and correct as necessary. 2 PC4-LCC sensor check. 3 PC13-LCC sensor check. 4 PC10-LCC sensor check. 5 PC7-LCC sensor check. 6 Replace PWB-C1 LCC.

• Code: C0996
• Description: LCC Lock Release Failure
  • The drawer cannot be determined to be out of position even after the set period of time has elapsed after the Tray Lock Solenoid (SL1-LCC) is energized after the lowering operation is finished.
• Troubleshooting Guides: 1 Check the SL1-LCC connector for proper connection, and correct as necessary. 2 SL1-LCC operation check. 3 Replace PWB-C1 LCC.

• Code: C0997
• Description: LCC Shift Gate Operation Failure
  • The Shift Gate Home Position Sensor (PC14-LCC) cannot be set to L even after the set period of time has elapsed after the operation of the Shift Gate Motor (M3-LCC) has begun with the Shift Gate Home Position Sensor (PC14-LCC) set to L.
• Troubleshooting Guides: 1 Check the PC14-LCC connector for proper connection, and correct as necessary. 2 PC14-LCC sensor check. 3 M3-LCC operation check. 4 Replace PWB-C1 LCC.

• Code: C0998
• Description: LCC Shift Failure
  • The Shifter Return Position Sensor (PC11-LCC) is not unblocked even after the set period of time has elapsed after the shift operation has begun (shifter is moved to the right). • The Shifter Return Position Sensor (PC11-LCC) is not unblocked even after the set pulse is detected by the Shift Motor Pulse Sensor (PC8-LCC) after the shift operation has begun (shifter is moved to the right). • The Shifter Home Position Sensor (PC12-LCC) is not unblocked even after the set pulse is detected by the Shift Motor Pulse Sensor (PC8-LCC) after the shift operation has begun (shifter is moved to the right). • The Shifter Home Position Sensor (PC12-LCC) is not unblocked even after the set period of time has elapsed after the return operation has begun (shifter is moved to the left). • The Shifter Home Position Sensor (PC12-LCC) is not unblocked even after the set pulse is detected by the Shift Motor Pulse Sensor (PC8-LCC) after the return operation has begun (shifter is moved to the left). • The Shifter Return Position Sensor (PC11-LCC) is not unblocked even after the set pulse is detected by the Shift Motor Pulse Sensor (PC8-LCC) after the return operation has begun (shifter is moved to the left).
• Troubleshooting Guides: 1 Check the connector for proper connection, and correct as necessary. 2 PC8-LCC sensor check. 3 PC11-LCC sensor check. 4 PC12-LCC sensor check. 5 Replace PWB-C1 LCC.

• Code: C099C
• Description: LCC Shift Motor Failure
  • The Shift Motor Pulse Sensor (PC8-LCC) cannot detect both the rising and falling edges of H/L even after the set period of time has elapsed while the Shift Motor (M4-LCC) is turning backward/forward (raise/lower).
• Troubleshooting Guides: 1 Check the motor connectors and other connectors for proper connection, and correct as necessary. 2 PC8-LCC sensor check. 3 M4-LCC operation check. 4 Replace PWB-C1 LCC.

• Code: C099D
• Description: LCC Communication Failure
  • Due to a software malfunction, etc., the time on the watchdog timer has run out and a reset is performed.
• Troubleshooting Guides: 1 Turn the copier off, then on again. 2 Check the connector for proper connection, and correct as necessary. 3 Replace PWB-C1 LCC.

• Code: C0B20
• Description: Staple Unit CD Drive Failure
• Troubleshooting Guides:

• Code: C0B30
• Description: Aligning Plate 1 Drive Failure
• Troubleshooting Guides:

• Code: C0B32
• Description: Aligning Plate 2 Drive Failure
• Troubleshooting Guides:

• Code: C0B47
• Description: Paper-Lifter Drive Failure
• Troubleshooting Guides:

• Code: C0B48
• Description: Exit Roller Pressure/ Retraction Failure
• Troubleshooting Guides:

• Code: C0B4A
• Description: Saddle Exit Roller Pressure/Retraction Failure
• Troubleshooting Guides:

• Code: C0B4B
• Description: Shutter Drive Failure
• Troubleshooting Guides:

• Code: C0B4C
• Description: Saddle Exit Motor Failure
• Troubleshooting Guides:

• Code: C0B4D
• Description: Saddle Advance/ Retract Guide Motor Failure
• Troubleshooting Guides:

• Code: C0B4F
• Description: Saddle Movable Guide Drive Failure
• Troubleshooting Guides:

• Code: C0B50
• Description: Staple Drive Failure
• Troubleshooting Guides:

• Code: C0B56
• Description: Saddle Staple 1 Drive Failure
• Troubleshooting Guides:

• Code: C0B57
• Description: Saddle Staple 2 Drive Failure
• Troubleshooting Guides:

• Code: C0B73
• Description: Punch Cam Motor Unit Failure
• Troubleshooting Guides:

• Code: C0BA0
• Description: Elevator Motor Ascent/ Descent Drive Failure
• Troubleshooting Guides:

• Code: C0BC2
• Description: Crease Motor Drive Failure
• Troubleshooting Guides:

• Code: C0F32
• Description: ATDC Sensor Failure
  • The scanning value of the ATDC Sensor is less than 7% while the Imaging Unit Motor is turning. • The scanning value of the ATDC Sensor is more than 19% while the Imaging Unit Motor is turning.
• Troubleshooting Guides: 1 Check the ATDC sensor connector for proper connection, and correct as necessary. 2 Remove the Developing Unit from the Imaging Unit, and then replace UN2. 3 Run F8. 4 Replace PWB-A. 5 Replace PU1.

Solve Konica-Minolta Di3510 Error codes

• Code: C0F33
• Description: ATDC Adjustment Failure
  • The adjustment of the ATDC control voltage could not be completed in the set period of time when function F8 is run. • The ATDC control voltage was not within the range of 5.39 V to 8.15 V when function F8 is run.
• Troubleshooting Guides: 1 Check the ATDC sensor connector for proper connection, and correct as necessary. 2 Remove the Developing Unit from the Imaging Unit, and then replace UN2. 3 Run F8. 4 Replace PWB-A. 5 Replace PU1.

• Code: C12D0
• Description: MIO Device Failure
  • The MIO device does not operate properly.
• Troubleshooting Guides: 1 Turn OFF, then ON, the power. 2 Check the CLAN Board connectors for proper connection and correct as necessary. 3 Check the MFB3 Board connectors for proper connection and correct as necessary. 4 Change the CLAN Board. 5 Change the MFB3 Board.

• Code: C1300
• Description: Polygon Motor Failure
  • The Polygon Motor Lock signal could not be detected within the set period of time after the Polygon Motor is energized. (Faulty start detection) • No First Lock signals are detected during the 1second period that starts 1 second after a First Lock signal. (Faulty lock signal detection) • The Polygon Motor Lock signal could not be detected after the set period of time has elapsed while the Polygon Motor is turning. (Out-of-timing lock detection) • The Polygon Motor Lock signal is set to ON for longer than the set period of time while the Polygon Motor remains stopped. (Abnormal lock detection)
• Troubleshooting Guides: 1 Check the PH connector for proper connection, and correct as necessary. 2 Replace PH Unit. 3 Replace PWB-A.

• Code: C1330
• Description: Main Unit Communication Failure
  • Communications with the Master Board and the MFB3 Board fail.
• Troubleshooting Guides: 1 Check the MFB3 Board connector for proper connection, and correct as necessary. 2 Check the PWB-A Board connector for proper connection, and correct as necessary. 3 Check the flat cable between MFB3 and lPWB-A for proper connection, and correct as necessary. 4 Turn the copier off, then on again. 5 Replace the MFB3 Board. 6 Replace the PWB-A Board.

• Code: C133A
• Description: Main Unit G/A Communication Failure
  • Communications with the gate array for expansion I/O (the IC mounted on the Master Board) fail.
• Troubleshooting Guides: 1 Turn the copier off, then on again. 2 Check each control board and the Master Board for proper connection, and correct as necessary. 3 Replace the Master Board if necessary.

• Code: C133B
• Description: Exit Option Paper Transport Failure
  • The connection status of a finishing option is changed after the copier has been turned on.
• Troubleshooting Guides: 1 Turn the copier off, then on again. 2 Check each control board and the Master Board for proper connection, and correct as necessary. 3 Replace the appropriate Control Board and the Master Board if necessary.

• Code: C13D0
• Description: EEPROM Failure
  • An EEPROM where no initial data is written is detected.
• Troubleshooting Guides: 1 Unplug and plug in the power cord, and then turn off and turn on the copier. 2 Check the EEPROM on the Master Board for proper connection, and correct as necessary. 3 Replace PWB-A. 4 Replace the EEPROM.

• Code: C13E0
• Description: Flash ROM Failure
  • The Flash ROM data was determined to be faulty when the unit was turned on.
• Troubleshooting Guides: 1 Unplug and plug in the power cord, and then turn off and turn on the copier. 2 The firmware data is overwritten. 3 Replace PWB-A.

• Code: C13F0
• Description: HSYNC Detection Failure
  • No SOS falling edges are detected within the set period of time after laser emission began while the Polygon Motor is turning. • No SOS falling edges are detected while VIA remains ON.
• Troubleshooting Guides: 1 Turn the copier off, then on again. 2 Check PH Unit and the Master Board connectors for proper connection, and correct as necessary. 3 Replace the PH Unit. 4 Replace PWB-A.

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