Epson AcuLaser C9200N list error codes with quick guides

Epson AcuLaser C9200N list error codes with quick guides

– Compatible Printer model: Epson AcuLaser C9200N
– Epson AcuLaser C9200N Error Codes with quick guides:

• Code: C0000 … C0799
• Description: CPU error
• Causes: Controller Board. Noise, etc.
• Troubleshooting Guides:

• Code: C0800
• Description: IPL error (controller defect)
• Causes: Controller Board. Code DIMM
• Troubleshooting Guides:

• Code: C0998
• Description: Engine communication error (only when power-on)
• Causes: Controller Board. Video I/F Cable. Mechanical Control Board
• Troubleshooting Guides:

• Code: C0999
• Description: Engine flash ROM has no program data
• Causes: Code DIMM
• Troubleshooting Guides:

• Code: C1000 … C1002
• Description: Standard RAM error (When the standard size is not determined, etc.)
• Causes: Std. RAM DIMM
• Troubleshooting Guides:

• Code: C1010
• Description: Verify error
• Causes: Controller Board. Opt. RAM DIMM
• Troubleshooting Guides:

• Code: C1020
• Description: RAM error (slot 0)
• Causes: Controller Board. Opt. RAM DIMM
• Troubleshooting Guides:

• Code: C1021
• Description: RAM error (slot 1)
• Causes: Controller Board. Opt. RAM DIMM
• Troubleshooting Guides:

• Code: C1100
• Description: ROM checksum error (bit 0 ~ 15) (Font)
• Causes: Code DIMM
• Troubleshooting Guides:

• Code: C1101
• Description: ROM checksum error (bit 16 ~31) (Font)
• Causes: Code DIMM
• Troubleshooting Guides:

• Code: C1120
• Description: ROM checksum error (bit 0 ~ 7) (Program)
• Causes: Code DIMM
• Troubleshooting Guides:

• Code: C1121
• Description: ROM checksum error (bit 8 ~ 15) (Program)
• Causes: Code DIMM
• Troubleshooting Guides:

• Code: C1122
• Description: ROM checksum error (bit 16 ~ 23) (Program)
• Causes: Code DIMM
• Troubleshooting Guides:

• Code: C1123
• Description: ROM checksum error (bit 24 ~ 31) (Program)
• Causes: Code DIMM
• Troubleshooting Guides:

• Code: C1200
• Description: EEPROM write error
• Causes: Controller Board
• Troubleshooting Guides:

• Code: C1210
• Description: EEPROM write count limit
• Causes: Controller Board
• Troubleshooting Guides:

• Code: C1300
• Description: RTC error
• Causes: Controller Board
• Troubleshooting Guides:

• Code: C1400
• Description: Engine initialization malfunction
• Causes: Mechanical Control Board
• Troubleshooting Guides:

• Code: C1500
• Description: CCNV hardware error
• Causes: Controller Board
• Troubleshooting Guides:

• Code: C1550
• Description: Compression SRAM initialization hardware error
• Causes: Controller Board
• Troubleshooting Guides:

• Code: C1600
• Description: Video related hardware error (including PWM IC calibration error)
• Causes: Controller Board
• Troubleshooting Guides:

• Code: C1700
• Description: Built-in network hardware error
• Causes:
• Troubleshooting Guides:

• Code: C1800
• Description: DIMM SPD error
• Causes: Code DIMM
• Troubleshooting Guides:

• Code: C1999
• Description: Other hardware error
• Causes: Controller Board
• Troubleshooting Guides:

• Code: C2000
• Description: Software error
• Causes: Code DIMM
• Troubleshooting Guides:

• Code: E100
• 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.
• Causes: • PH Unit • PH Interface Board (PWB-D) • Mechanical Control Board (PWB-M)
• 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: E101
• Description: Polygon Motor/M 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.
• Causes: • PH Unit • PH Interface Board (PWB-D) • Mechanical Control Board (PWB-M)
• 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: E102
• Description: Polygon Motor/Y 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.
• Causes: • PH Unit • PH Interface Board (PWB-D) • Mechanical Control Board (PWB-M)
• 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: E103
• Description: Polygon Motor/K 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.
• Causes: • PH Unit • PH Interface Board (PWB-D) • Mechanical Control Board (PWB-M)
• 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: E110
• Description: Laser malfunction (Cyan)
  – SOS signal is not detected within the lapse of a given period of time after staring the laser output.
  – SOS signal is not detected within a given period of time during printing or IDC sensor adjustment
• Causes: • PH Unit • PH Interface Board (PWB-D) • Mechanical Control Board (PWB-M)
• 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: E111
• Description: Laser malfunction (Magenta)
  – SOS signal is not detected within the lapse of a given period of time after staring the laser output.
  – SOS signal is not detected within a given period of time during printing or IDC sensor adjustment
• Causes: • PH Unit • PH Interface Board (PWB-D) • Mechanical Control Board (PWB-M)
• 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: E112
• Description: Laser malfunction (Yellow)
  – SOS signal is not detected within the lapse of a given period of time after staring the laser output.
  – SOS signal is not detected within a given period of time during printing or IDC sensor adjustment
• Causes: • PH Unit • PH Interface Board (PWB-D) • Mechanical Control Board (PWB-M)
• 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: E113
• Description: Laser malfunction (Black)
  – SOS signal is not detected within the lapse of a given period of time after staring the laser output.
  – SOS signal is not detected within a given period of time during printing or IDC sensor adjustment
• Causes: • PH Unit • PH Interface Board (PWB-D) • Mechanical Control Board (PWB-M)
• 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: E200
• 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.
• Causes: • 1st Image Transfer Pressure/Retraction Position Sensor (PC6) • 1st Image Transfer Pressure/Retraction Clutch (CL3) • Main Motor (M1) • Mechanical Control Board (PWB-M)
• 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) K to L-2 4 M1 operation check PWB-M CNDM1-5 (REM) PWB-M CNDM1-8 (LOCK) K to L-2 5 Change PWB-M

• Code: E210
• Description: 2nd 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 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 Transfer Roller is pressuring.
• Causes: • Mechanical Control Board (PWB-M) • Right Door
• Troubleshooting Guides: 1 Check the connector of motor for proper connection and correct as necessary. – – 2 Change Right Door – – 3 Change PWB-M

• Code: E220
• Description: Transfer Belt Unit New Article Release
  – A new installation is not detected when a new Transfer Belt Unit is installed.
• Causes: Mechanical Control Board (PWB-M)
• Troubleshooting Guides: 1 Reinstall the Unit. – – 2 Change PWB-M

• Code: E300
• Description: Abnormally low Heating Roller temperature
  – 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.
• Causes: • Fusing Unit • DC Power Supply (PU1) • Mechanical Control Board (PWB-M)
• 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: E301
• Description: Abnormally low Fusing Pressure Roller temperature
  – 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
• Causes: • Fusing Unit • DC Power Supply (PU1) • Mechanical Control Board (PWB-M)
• 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: E302
• Description: Abnormally high Heating Roller temperature
  – 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.
• Causes: • Fusing Unit • DC Power Supply (PU1) • Mechanical Control Board (PWB-M)
• 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: E303
• Description: Abnormally high Fusing Pressure Roller temperature
  – 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.
• Causes: • Fusing Unit • DC Power Supply (PU1) • Mechanical Control Board (PWB-M)
• 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: E304
• Description: Heating Roller warm-up failure
  – 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 Cover 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.
• Causes: • Fusing Unit • DC Power Supply (PU1) • Mechanical Control Board (PWB-M)
• 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: E305
• Description: Fusing Pressure Roller warm-up failure
  – 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 Cover is opened or closed, the Main Power Switch is turned ON, or TROUBLE RESET is implemented.
• Causes: • Fusing Unit • DC Power Supply (PU1) • Mechanical Control Board (PWB-M)
• 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

Solve Epson AcuLaser C9200N Error codes

• Code: E310
• Description: Fusing Unit New Article Release
  – A new installation is not detected when a new Fusing Unit is installed.
• Causes: • Fusing Unit • Mechanical Control Board (PWB-M)
• 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: E400
• Description: Abnormally low toner density detected Cyan TCR Sensor
  – Mixture ratio of the toner and carrier in the developing machine is lower than the specified value.
• Causes: • Photoconductor Unit/C • Photoconductor Unit/M • Photoconductor Unit/Y • Toner Supply Motor Y/M (M6) • Toner Supply Motor C/K (M7) • Mechanical Control Board (PWB-M) • Controller Board (PWB-P)
• Troubleshooting Guides: 1 Perform image troubleshooting procedure if image density is low. – – 2 Clean the TCR Sensor window on the underside of the Photoconductor Unit if dirty. – – 3 M6, M7 operation check PWB-M CNDM2-10 to 13(M6) PWB-M CNDM3-10 to 13(M7) C-22 C-23 4 Reinstall Photoconductor Unit. – – 5 Change Photoconductor Unit. – – 6 Change PWB-M – – 7 Change PWB-P

• Code: E401
• Description: Abnormally high toner density detected Cyan TCR Sensor
  – Mixture ratio of the toner and carrier in the developing machine is higher than the specified value.
• Causes: • Photoconductor Unit/C • Photoconductor Unit/M • Photoconductor Unit/Y • Mechanical Control Board (PWB-M) • Controller Board (PWB-P)
• Troubleshooting Guides: 1 Clean the TCR Sensor window on the underside of the Photoconductor Unit if dirty. – – 2 Reinstall Photoconductor Unit. – – 3 Change Photoconductor Unit. – – 4 Change PWB-M – – 5 Change PWB-P

• Code: E402
• Description: Abnormally low toner density detected Magenta TCR Sensor
  – Mixture ratio of the toner and carrier in the developing machine is lower than the specified value.
• Causes: • Photoconductor Unit/C • Photoconductor Unit/M • Photoconductor Unit/Y • Toner Supply Motor Y/M (M6) • Toner Supply Motor C/K (M7) • Mechanical Control Board (PWB-M) • Controller Board (PWB-P)
• Troubleshooting Guides: 1 Perform image troubleshooting procedure if image density is low. – – 2 Clean the TCR Sensor window on the underside of the Photoconductor Unit if dirty. – – 3 M6, M7 operation check PWB-M CNDM2-10 to 13(M6) PWB-M CNDM3-10 to 13(M7) C-22 C-23 4 Reinstall Photoconductor Unit. – – 5 Change Photoconductor Unit. – – 6 Change PWB-M – – 7 Change PWB-P

• Code: E403
• Description: Abnormally high toner density detected Magenta TCR Sensor
  – Mixture ratio of the toner and carrier in the developing machine is higher than the specified value.
• Causes: • Photoconductor Unit/C • Photoconductor Unit/M • Photoconductor Unit/Y • Mechanical Control Board (PWB-M) • Controller Board (PWB-P)
• Troubleshooting Guides: 1 Clean the TCR Sensor window on the underside of the Photoconductor Unit if dirty. – – 2 Reinstall Photoconductor Unit. – – 3 Change Photoconductor Unit. – – 4 Change PWB-M – – 5 Change PWB-P

• Code: E404
• Description: Abnormally low toner density detected Yellow TCR Sensor
  – Mixture ratio of the toner and carrier in the developing machine is lower than the specified value.
• Causes: • Photoconductor Unit/C • Photoconductor Unit/M • Photoconductor Unit/Y • Toner Supply Motor Y/M (M6) • Toner Supply Motor C/K (M7) • Mechanical Control Board (PWB-M) • Controller Board (PWB-P)
• Troubleshooting Guides: 1 Perform image troubleshooting procedure if image density is low. – – 2 Clean the TCR Sensor window on the underside of the Photoconductor Unit if dirty. – – 3 M6, M7 operation check PWB-M CNDM2-10 to 13(M6) PWB-M CNDM3-10 to 13(M7) C-22 C-23 4 Reinstall Photoconductor Unit. – – 5 Change Photoconductor Unit. – – 6 Change PWB-M – – 7 Change PWB-P

• Code: E405
• Description: Abnormally high toner density detected Yellow TCR Sensor
  – Mixture ratio of the toner and carrier in the developing machine is higher than the specified value.
• Causes: • Photoconductor Unit/C • Photoconductor Unit/M • Photoconductor Unit/Y • Mechanical Control Board (PWB-M) • Controller Board (PWB-P)
• Troubleshooting Guides: 1 Clean the TCR Sensor window on the underside of the Photoconductor Unit if dirty. – – 2 Reinstall Photoconductor Unit. – – 3 Change Photoconductor Unit. – – 4 Change PWB-M – – 5 Change PWB-P

• Code: E406
• Description: Abnormally low toner density detected Black TCR Sensor
  – Mixture ratio of the toner and carrier in the developing machine is lower than the specified value.
• Causes: • Photoconductor Unit /K • Toner Supply Motor C/K (M7) • Mechanical Control Board (PWB-M) • Controller Board (PWB-P)
• Troubleshooting Guides: 1 Perform image troubleshooting procedure if image density is low. – – 2 Clean the TCR Sensor window on the underside of the Photoconductor Unit if dirty. – – 3 M7 operation check PWB-M CNDM3-10 to 13 C-23 4 Reinstall Photoconductor Unit – – 5 Change Photoconductor Unit /K – – 6 Change PWB-M – – 7 Change PWB-P

• Code: E407
• Description: Abnormally high toner density detected Black TCR Sensor
  – Mixture ratio of the toner and carrier in the developing machine is higher than the specified value.
• Causes: • Photoconductor Unit /K • Mechanical Control Board (PWB-M) • Controller Board (PWB-P)
• Troubleshooting Guides: 1 Clean the TCR Sensor window on the underside of the Photoconductor Unit if dirty. – – 2 Reinstall Photoconductor Unit – – 3 Change Photoconductor Unit /K – – 4 Change PWB-M – – 5 Change PWB-P

• Code: E500
• 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.
• Causes: • Main Motor (M1) • Mechanical Control Board (PWB-M) • DC Power Supply (PU1)
• 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) K ` L-2 5 Change PWB-M – – 6 Change PU1

• Code: E501
• 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
• Causes: • Main Motor (M1) • Mechanical Control Board (PWB-M) • DC Power Supply (PU1)
• Troubleshooting Guides: 1 M1 operation check PWB-M CNDM1-5 (REM) PWB-M CNDM1-8 (LOCK) K to L-2 2 Change PWB-M – – 3 Change PU1

• Code: E510
• 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.
• Causes: • Color PC Drum Motor (M2) • Mechanical Control Board (PWB-M)
• 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 PWB-M CNDM3-5 (REM) PWB-M CNDM3-8 (LOCK) C-23 5 Change PWB-M

• Code: E511
• 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.
• Causes: • Color PC Drum Motor (M2) • Mechanical Control Board (PWB-M)
• Troubleshooting Guides: 1 M2 operation check PWB-M CNDM3-5 (REM) PWB-M CNDM3-8 (LOCK) C-23 2 Change PWB-M

• Code: E520
• 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.
• Causes: • Color Developing Motor (M3) • DC Power Supply (PU1) • Mechanical Control Board (PWB-M)
• Troubleshooting Guides: 1 Check the connector of motor for proper connection and correct as necessary. – – 2 Check the connector of motor for proper connection 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-22 6 Change PU1 – – 7 Change PWB-M

• Code: E521
• 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.
• Causes: • Color Developing Motor (M3) • DC Power Supply (PU1) • Mechanical Control Board (PWB-M)
• Troubleshooting Guides: 1 M3 operation check PWB-M CNDM2-5 (REM) PWB-M CNDM2-8 (LOCK) C-22 2 Change PU1 – – 3 Change PWB-M

• Code: E550
• 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.
• Causes: • Mechanical Control Board (PWB-M) • Right Door
• Troubleshooting Guides: 1 Check the connector of motor for proper connection and correct as necessary. – – 2 Change Right Door – – 3 Change PWB-M

• Code: E551
• 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.
• Causes: • Cooling Fan Motor/1 (M12) • Mechanical Control Board (PWB-M)
• Troubleshooting Guides: 1 heck 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 (REM) PWB-M CNDM2-16 (LOCK) C-22 4 Change PWB-M

• Code: E552
• 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
• Causes: • Fusing Cooling Fan Motor/1 (M11) • Mechanical Control Board (PWB-M)
• 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 CNLP-9 (ON) PWB-M CNLP-11 (LOCK) C-11 4 Change PWB-M

• Code: E553
• 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
• Causes: • Mechanical Control Board (PWB-M) • Right Door
• 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) K to L-1 4 Change PWB-M

• Code: E554
• 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
• Causes: • Ozone Ventilation Fan Motor (M14) • Mechanical Control Board (PWB-M)
• 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 CNDM1-14 (ON) PWB-M CNDM1-17 (LOCK) K to L-1 4 Change PWB-M

• Code: E555
• 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.
• Causes: • Power Supply Cooling Fan Motor/1 (M8) • Mechanical Control Board (PWB-M)
• 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-27 4 Change PWB-M

• Code: E556
• 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.
• Causes: • Cooling Fan Motor/2 (M22) • Mechanical Control Board (PWB-M)
• 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 – – 4 Change PWB-M

• Code: E600
• Description: Cyan TCR Sensor adjustment failure
  – TCR Sensor automatic adjustment does not function properly, failing to adjust to an appropriate value.
• Causes: • Photoconductor Unit /C • Photoconductor Unit /M • Photoconductor Unit /Y • Toner Supply Motor Y/M (M6) • Toner Supply Motor C/K (M7) • Mechanical Control Board (PWB-M) • Controller Board (PWB-P)
• Troubleshooting Guides: 1 Clean the TCR Sensor window on the underside of the Photoconductor Unit if dirty – – 2 M6, M7 operation check PWB-M CNDM2-10 to 13 (M6) PWB-M CNDM3-10 to 13 (M7) C-22 C-23 3 Reinstall Photoconductor Unit – – 4 Change Photoconductor Unit – – 5 Change PWB-M – – 6 Change PWB-P

• Code: E601
• Description: Magenta TCR Sensor adjustment failure
  – TCR Sensor automatic adjustment does not function properly, failing to adjust to an appropriate value.
• Causes: • Photoconductor Unit /C • Photoconductor Unit /M • Photoconductor Unit /Y • Toner Supply Motor Y/M (M6) • Toner Supply Motor C/K (M7) • Mechanical Control Board (PWB-M) • Controller Board (PWB-P)
• Troubleshooting Guides: 1 Clean the TCR Sensor window on the underside of the Photoconductor Unit if dirty – – 2 M6, M7 operation check PWB-M CNDM2-10 to 13 (M6) PWB-M CNDM3-10 to 13 (M7) C-22 C-23 3 Reinstall Photoconductor Unit – – 4 Change Photoconductor Unit – – 5 Change PWB-M – – 6 Change PWB-P

• Code: E602
• Description: Yellow TCR Sensor adjustment failure
  – TCR Sensor automatic adjustment does not function properly, failing to adjust to an appropriate value.
• Causes: • Photoconductor Unit /C • Photoconductor Unit /M • Photoconductor Unit /Y • Toner Supply Motor Y/M (M6) • Toner Supply Motor C/K (M7) • Mechanical Control Board (PWB-M) • Controller Board (PWB-P)
• Troubleshooting Guides: 1 Clean the TCR Sensor window on the underside of the Photoconductor Unit if dirty – – 2 M6, M7 operation check PWB-M CNDM2-10 to 13 (M6) PWB-M CNDM3-10 to 13 (M7) C-22 C-23 3 Reinstall Photoconductor Unit – – 4 Change Photoconductor Unit – – 5 Change PWB-M – – 6 Change PWB-P

• Code: E603
• Description: Black TCR Sensor adjustment failure
  – TCR Sensor automatic adjustment does not function properly, failing to adjust to an appropriate value.
• Causes: • Photoconductor Unit /K • Toner Supply Motor C/K (M7) • Mechanical Control Board (PWB-M) • Controller Board (PWB-P)
• Troubleshooting Guides: 1 Clean or correct each contact of the Photoconductor Unit if faulty. – – 2 M7 operation check PWB-M CNDM3-10 to 13 C-23 3 Reinstall Photoconductor Unit /K – – 4 Change Photoconductor Unit /K – – 5 Change PWB-M – – 6 Change PWB-P

• Code: E610
• Description: 1st Image Transfer ATVC (color) failure
  – An abnormal average value is detected while performing the first image transfer ATVC of color.
• Causes: • Transfer Belt Unit • Transfer Roller • High Voltage Unit
• Troubleshooting Guides: 1 Check if the Transfer Roller and Transfer Belt are dirty and correct as necessary. – – 2 Change High Voltage Unit – – 3 Change Transfer Belt Unit

• Code: E611
• Description: 1st Image Transfer ATVC (K) failure
  – An abnormal average value is detected while performing the first image transfer ATVC of black.
• Causes: • Transfer Belt Unit • High Voltage Unit
• Troubleshooting Guides: 1 Check if the Transfer Roller and Transfer Belt are dirty and correct as necessary. – – 2 Change High Voltage Unit – – 3 Change Transfer Belt Unit

• Code: E612
• Description: 2nd Image Transfer ATVC failure
  – An abnormal average value is detected while performing the second image transfer ATVC.
• Causes: • Transfer Belt Unit • 2nd Transfer Roller • High Voltage Unit
• Troubleshooting Guides: 1 Check if the Transfer Roller and Transfer Belt are dirty and correct as necessary. – – 2 Check that the 2nd Transfer Roller is properly installed and correct as necessary. – – 3 Change 2nd Transfer Roller. – – 4 Change High Voltage Unit.

• Code: E620
• Description: Color PC Drum sensor malfunction
  – The output from the Color PC Drive Main and Sub Sensors remains unchanged for a continuous period of 1,000 ms while the Color PC Drum Motor is turning stably and the Lock signal is active (LOW-0).
• Causes: • Transport Drive Assy • Mechanical Control Board (PWB-M) • Harness
• Troubleshooting Guides: 1 Check if the Detect Light Shield Plate has damages and is properly installed, and correct as necessary. – – 2 Check the Transport Drive Assy connector for proper connection and correct as necessary. – – 3 Check the PWB-M connector for proper connection and correct as necessary. – – 4 Change the cable that connects Transport Drive Assy and PWB-M. – – 5 Change Transport Drive Assy – – 6 Change PWB-M

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• Code: E621
• Description: BLACK PC Drum sensor malfunction
  – The output from the Black PC Drive Main and Sub Sensors remains unchanged for a continuous period of 1,000 ms while the Main Motor is turning stably and the Lock signal is active (LOW-0).
• Causes: • Transport Drive Assy • Mechanical Control Board (PWB-M) • Harness
• Troubleshooting Guides: 1 Check if the Detect Light Shield Plate has damages and is properly installed, and correct as necessary. – – 2 Check the Transport Drive Assy connector for proper connection and correct as necessary. – – 3 Check the PWB-M connector for proper connection and correct as necessary. – – 4 Change the cable that connects Transport Drive Assy and PWB-M. – – 5 Change Transport Drive Assy – – 6 Change PWB-M

• Code: E630
• Description: IDC Sensor (front) failure
  – All outputs of Sensor photo-receiver section from the detection point (unprinted surface on the Image Transfer Belt) are 0.5 V or less, or 4.3 V or more at output checking during IDC Sensor adjustment.
  – All outputs of Sensor photo-receiver section from the detection point (unprinted surface on the Image Transfer Belt) are 1.9 V or less, or 4.4 V or more at density setting during IDC Sensor adjustment.
  – The output of Sensor photo-receiver section from the detection point (toner pattern on the Image Transfer Belt) is 1.0 V or less after the adjustment.
• Causes: IDC Sensor
• Troubleshooting Guides: 1 Check that the IDC Sensor is properly installed and correct as necessary. – – 2 Check if the IDC sensor is dirty and correct as necessary. – – 3 Check the IDC Sensor connector for proper connection and correct as necessary. – – 4 Check the PWB-M connector for proper connection and correct as necessary. – – 5 Change the cable that connects IDC Sensor and PWB-M. – – 6 Change the IDC Sensor.

• Code: E631
• Description: IDC Sensor (back) failure
  – All outputs of Sensor photo-receiver section from the detection point (unprinted surface on the Image Transfer Belt) are 0.5 V or less, or 4.3 V or more at output checking during IDC Sensor adjustment.
  – All outputs of Sensor photo-receiver section from the detection point (unprinted surface on the Image Transfer Belt) are 1.9 V or less, or 4.4 V or more at density setting during IDC Sensor adjustment.
  – The output of Sensor photo-receiver section from the detection point (toner pattern on the Image Transfer Belt) is 1.0 V or less after the adjustment.
• Causes: IDC Sensor
• Troubleshooting Guides: 1 Check that the IDC Sensor is properly installed and correct as necessary. – – 2 Check if the IDC sensor is dirty and correct as necessary. – – 3 Check the IDC Sensor connector for proper connection and correct as necessary. – – 4 Check the PWB-M connector for proper connection and correct as necessary. – – 5 Change the cable that connects IDC Sensor and PWB-M. – – 6 Change the IDC Sensor.

• Code: E640
• Description: Color Shift Test Pattern failure
  – The number of points detected in the main scan direction is more or less than the specified value during main scan direction registration correction.
  – The number of points detected in the sub scan direction is more or less than the specified value during sub scan direction registration correction.
• Causes: • Transfer Belt Unit • IDC Sensor • Photoconductor Unit • PH Unit
• Troubleshooting Guides: 1 Check if Transfer Belt has damages and correct as necessary. – – 2 Check that the IDC Sensor is properly installed and correct as necessary. – – 3 Check if the IDC sensor is dirty and correct as necessary. – – 4 Check the IDC Sensor connector for proper connection and correct as necessary. – – 5 Check the PWB-M connector for proper connection and correct as necessary. – – 6 Change the cable that connects IDC Sensor and PWB-M. 7 Change IDC Sensor. 8 Change Photoconductor Unit. 9 Change PH Unit.

• Code: E641
• Description: Color Shift Adjust failure
  – The color shift amount is greater than the specified range during main scan direction registration correction.
  – The color shift amount is greater than the specified range during sub scan direction registration correction.
  – The skew correction amount is greater than the specified value.
• Causes: • PH Unit (displacement) • Transfer Belt Unit
• Troubleshooting Guides: 1 Execute the correction of skew. – – 2 Check if Transfer Belt has damages and correct as necessary.

• Code: E701
• Description: MP tray Rise Descent Error
  – The Bypass Lift-Up Sensor is not blocked even when the 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 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.
• Causes: • MP tray Lift-up Sensor (PC14) • Vertical Transport Motor (M2-PC) • Control Board (PWB-Z-PC)
• 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-10 4 M2-PC operation check PWB-Z PJ5Z PC-5~8 Q-22 5 Change PWB-Z-PC.

• Code: E702
• Description: Standard cassette 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.
• Causes: • Lift-up Sensor (PC7-PC) • Lift-up Sensor (PC7-PC) • Control Board (PWB-Z-PC)
• 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 PJ6Z PC-3 (ON) PWB-Z PJ4Z PC-4 to 5 V-21 to 22 4 M3-PC operation check Q-24 5 Change PWB-Z-PC.

• Code: E703
• Description: Optional Cassette1 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.
• Causes: • Lift-up Sensor (PC7-PC) • Lift-up Sensor (PC7-PC) • Control Board (PWB-Z-PC)
• 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 PJ6Z PC-3 (ON) PWB-Z PJ4Z PC-4 to 5 V-21 to 22 4 M3-PC operation check Q-24 5 Change PWB-Z-PC.

• Code: E704
• Description: Optional Cassette2 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.
• Causes: • Lift-up Sensor (PC7-PC) • Lift-up Sensor (PC7-PC) • Control Board (PWB-Z-PC)
• 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 PJ6Z PC-3 (ON) PWB-Z PJ4Z PC-4 to 5 V-21 to 22 4 M3-PC operation check Q-24 5 Change PWB-Z-PC.

• Code: E900
• Description: Flash ROM write error
  – Flash ROM writing is found faulty during a check.
• Causes: Mechanical Control Board (PWB-M)
• Troubleshooting Guides: 1 Change PWB-M. – – 2 Contact the service support section counter since the error is beyond restoration in the field.

• Code: E901
• Description: RTC failure
  – The correct access to the RTC Board is failed during access.
• Causes: • RTC Board (PWB-R) • Mechanical Control Board (PWB-M)
• Troubleshooting Guides: 1 Check the connector for proper connection and correct as necessary. – – 2 Change PWB-R – – 3 Change PWB-M

• Code: E998
• Description: Engine communication error
  – The correct access between the Controller Board and the Mechanical Control Board are failed during access.
• Causes: • Controller Board (PWB-P) • Mechanical Control Board (PWB-M)
• Troubleshooting Guides: 1 Check the PWB-P connector for proper connection and correct as necessary. – – 2 Check the PWB-M connector for proper connection and correct as necessary. 3 Change PWB-P – – 4 Change PWB-M

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