• Code: C0208
• Description: PC Drum Charge Corona malfunction
  • The SCD signal is detected for a continuous 0.5-sec. period while the PC Drum Charge Corona is being energized.
• Remedy: 1 Check the Imaging Unit contact and correct or clean as necessary. 2 Check the HV1 contact and correct or clean as necessary. 3 Change Imaging Unit. 4 Change HV1. 5 Change PWB-MC.

• Code: C0400
• 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.
• Remedy: 1 Check the flat cable for proper connection and correct or change as necessary. 2 Change Scanner Assy. 3 Change PWB-C.

• Code: C0410
• 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.
• Remedy: 1 Check the flat cable for proper connection and correct or change as necessary. 2 Change Scanner Assy. 3 Change PWB-C.

• Code: C0500
• Description: Heating Roller warm-up failure
  • The temperature of the Heating Roller does not reach 100 °C within 50 sec. after the Heating Roller Heater Lamp has been turned ON. • The temperature of the Heating Roller does not reach 100 °C and that of the Fusing Pressure Roller does not reach 195 °C within 200 sec. after the Heating Roller Heater Lamp has been turned ON. • The voltage of the Heating Roller Thermistor does not increase by five steps within 20 sec. after the Heating Roller Heater Lamp has been turned ON. • No zero cross signal is detected even with the lapse of 1 sec. or more after the Heating Roller Heater Lamp has been turned ON.
• Remedy: 1 Check the Fusing Unit for correct installation (whether it is secured in position). 2 Check the Fusing Unit, PWB-MC and PU1 for proper connection and correct or change as necessary. 3 Change Fusing Unit. 4 Change PWB-MC. 5 Change PU1.

• Code: C0501
• Description: Fusing Pressure Roller warm-up failure
  • The voltage of the Fusing Pressure Roller Thermistor does not increase by five steps within 20 sec. after the predrive of the Fusing Roller has been started during a warm-up cycle.
• Remedy: 1 Check the Fusing Unit for correct installation (whether it is secured in position). 2 Check the Fusing Unit, PWB-MC and PU1 for proper connection and correct or change as necessary. 3 Change Fusing Unit. 4 Change PWB-MC. 5 Change PU1.

• Code: C0510
• Description: Heating Roller abnormally low temperature
  • No zero cross signal is detected even with the lapse of 1 sec. or more during a standby state, print cycle, or Power Save. • A temperature of 120 °C or less of the Heating Roller is detected for 1 sec. or more during a standby state. • A temperature of 120 °C or less of the Heating Roller is detected for 1 sec. or more during a print cycle. • A temperature of 70 °C or less of the Heating Roller is detected for 1 sec. or more during Power Save.
• Remedy: 1 Check the Fusing Unit for correct installation (whether it is secured in position). 2 Check the Fusing Unit, PWB-MC and PU1 for proper connection and correct or change as necessary. 3 Change Fusing Unit. 4 Change PWB-MC. 5 Change PU1.

• Code: C0511
• Description: Fusing Pressure Roller abnormally low temperature
  • . A temperature of 80 °C or less of the Fusing Pressure Roller is detected for 1 sec. or more during a standby state. • A temperature of 80 °C or less of the Fusing Pressure Roller is detected for 1 sec. or more during a print cycle. • A temperature of 80 °C or less of the Fusing Pressure Roller is detected for 1 sec. or more during Power Save.
• Remedy: 1 Check the Fusing Unit for correct installation (whether it is secured in position). 2 Check the Fusing Unit, PWB-MC and PU1 for proper connection and correct or change as necessary. 3 Change Fusing Unit. 4 Change PWB-MC. 5 Change PU1.

• Code: C0520
• Description: Heating Roller abnormally high temperature
  • A temperature of 225 °C or more of the Heating Roller is detected for 1 sec. or more.
• Remedy: 1 Check the Fusing Unit for correct installation (whether it is secured in position). 2 Check the Fusing Unit, PWB-MC and PU1 for proper connection and correct or change as necessary. 3 Change Fusing Unit. 4 Change PWB-MC. 5 Change PU1.