• Code: E004-0301
• Description: Fixing unit protection circuit trouble
  When an overcurrent has been detected in the IH power supply PCB
• Remedy: Replace the IH power supply PCB. Replace the fixing belt unit.

• Code: E004-0401
• Description: Fixing unit protection circuit trouble
  13 V trouble error
• Remedy: Check the connection of the connectors of the relay PCB, the IH power supply, the fixing thermoswitch, and replace the fixing unit (fixing thermoswitch OFF), the relay PCB, and the IH power PCB (blowout of the FU261). In the service mode, clear the error by selecting COPIER > FUNCTION > CLEAR > ERR.

• Code: E004-0501
• Description: Fixing unit protection circuit trouble
  Fixing main thermistor or fixing sub-thermistor 1 or 2 connection error
• Remedy: Check the connections of the fixing belt unit connectors. Replace the fixing belt unit.

• Code: E004-0502
• Description: Fixing unit protection circuit trouble
  Pressure main thermistor or pressure sub-thermistor 1 or 2 connection error
• Remedy: Check the connections of the pressure belt unit connectors. Replace the pressure belt unit.

• Code: E004-0601
• Description: Fixing unit protection circuit trouble
  IH power supply ID error
• Remedy: Check the connection of the connectors of the IH power supply PCB J1009, the DC controller PCB 2 (MAISY) J109, and the relay PCB connector. In the case of not being locked after turning ON the motor

• Code: E004-0701
• Description: Fixing unit protection circuit trouble
  Relay OFF status error
• Remedy: Replace the relay PCB.

• Code: E007-0001
• Description: Fixing belt or pressure belt deviation trouble
  Fixing belt deviation trouble (trouble in top belt displacement or in belt deviation sensor)
• Remedy: Replace the fixing unit.

• Code: E007-0002
• Description: Fixing belt or pressure belt deviation trouble
  Pressure belt deviation trouble (trouble in bottom belt push-off or in belt deviation sensor)
• Remedy: Replace the fixing unit.