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Canon LBP5050

Error Codes List page 1

  • Code: E000
  • Description: Fixing unit startup defect
  • Causes: The detected temperature of the main thermistor does not rise after the heater is energised. Cause: Main thermistor broken wire, fixer heater broken wire, DC controller PCB defect
  • Remedy: - Check the connector of the fixing unit, DC controller PCB, fixing power supply unit. - Replace the fixing film unit. - Replace the fixing power supply unit. - Replace the DC controller PCB.
  • Code: E001-0000
  • Description: Abnormally high temperature in fixing unit
  • Causes: The detected temperature of the main thermistor is abnormally high. Cause: Main thermistor defect, DC controller PCB defect
  • Remedy: - Check the connector of the fixing unit, DC controller PCB, fixing power supply unit. - Replace the fixing film unit. - Replace the fixing power supply unit. - Replace the DC controller PCB.
  • Code: E003-0000
  • Description: Abnormally low temperature in fixing unit
  • Causes: The detected temperature of the main thermistor becomes lower than the specified one. Cause: Fixing power supply unit defect, main thermistor broken wire, DC controller PCB defect
  • Remedy: - Check the connector of the fixing unit, DC controller PCB, fixing power supply unit. - Replace the fixing film unit. - Replace the fixing power supply unit. - Replace the DC controller PCB.
  • Code: E004
  • Description: Abnormality in fixing unit power supply drive circuitry
  • Causes: Zero cross signal could not be detected within specified time limit. Cause: Fixing control circuitry defect
  • Remedy: - Check the connector of the fixing power supply unit, DC controller PCB, fixing power supply unit. - Replace the low-voltage power supply PCB.
  • Code: E012-0000
  • Description: Motor startup abnormality
  • Causes: ITB motor speed detection signal frequency does not reach specified frequency after starting to drive the ITB motor. Cause: ITB motor defect, DC controller PCB defect
  • Remedy: - Check the connector of the ITB motor, DC controller PCB. - Replace ITB motor - Replace DC controller PCB
  • Code: E012-0001
  • Description: Motor startup abnormality
  • Causes: ITB motor speed detection signal frequency reaches the specified frequency but is then out of synch after 2 sec. or longer of operation. Cause: ITB motor defect, DC controller PCB defect
  • Remedy: - Check the connector of the ITB motor, DC controller PCB. - Replace ITB motor - Replace DC controller PCB
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