Code :

Code: H2-00
Description: Thermister open trouble (TH_UM_AD2)
Causes: Thermister trouble. MFPC PWB trouble Connection trouble of the connector and the harness. Fusing unit not installed.
Remedy: Replace the thermister. Replace the MFPC PWB. Harness and connector connection trouble.

Code: H2-02
Description: Sub thermister open trouble (TH_US)
Causes: Thermister trouble. MFPC PWB trouble. Connection trouble of the connector and the harness. Fusing unit not installed.
Remedy: Replace the thermister. Replace the MFPC PWB. Harness and connector connection trouble.

Code: H2-03
Description: Compensation thermister open trouble (TH_UM_AD1)
Causes: Thermister trouble. MFPC PWB trouble Connection trouble of the connector and the harness. Fusing unit not installed.
Remedy: Replace the thermister. Replace the MFPC PWB. Harness and connector connection trouble.

Code: H3-00
Description: Fusing section high temperature trouble (TH_UM)
Causes: The fusing temperature exceeds the specified level. Thermister trouble. MFPC PWB trouble Connection trouble of the connector and the harness. Power unit trouble.
Remedy: Use SIM5-2 to check the flashing operation of the heater lamp. Use SIM14 to cancel the trouble. Replace the thermister. Replace the MFPC PWB. Harness and connector connection trouble. Replace the power unit.

Code: H3-02
Description: Fusing section high temperature trouble (TH_US)
Causes: The fusing temperature exceeds the specified level. Thermister trouble. MFPC PWB trouble Connection trouble of the connector and the harness. Power unit trouble.
Remedy: Use SIM5-2 to check the flashing operation of the heater lamp. Use SIM14 to cancel the trouble. Replace the thermister. Replace the MFPC PWB. Harness and connector connection trouble. Replace the power unit.

Code: H4-00
Description: Fusing section low temperature trouble (TH_UM_AD2)
Causes: The fusing temperature does not reach the specified level within the specified time from turning ON the power relay. Thermister trouble. Heater lamp trouble. MFPC PWB trouble. Thermostat trouble. Connector, harness connection trouble. Power unit trouble. Interlock switch trouble.
Remedy: Replace the thermister. Replace the heater lamp. Replace the MFPC PWB. Replace the thermostat. Check connection of the connector and the harness. Replace the power unit. Replace the interlock switch. Use SIM5-2 to check the flashing operation of the heater lamp. Use SIM14 to cancel the trouble.

Code: H5-01
Description: 5 times continuous POD1 not-reach jam
Causes: A fusing jam is not canceled completely. (A jam paper remains.) POD1 sensor trouble. Fusing unit installation trouble. Connector, harness connection trouble. MFPC PWB trouble
Remedy: Replace the POD1 sensor. Check the installing position of the fusing unit. Replace the fusing unit. Check connection of the connector and the harness. Replace the MFPC PWB. Use SIM14 to cancel the trouble.

Code: H7-10
Description: Fusing low temperature recovery trouble (TH_UM_AD2).
Causes: The fusing temperature does not reach the specified level within the specified time from stopping a job due to fall in the fusing temperature. Thermister trouble. Heater lamp trouble. MFPC PWB trouble Thermostat trouble. Connector, harness connection trouble. Power unit trouble. Interlock switch trouble.
Remedy: Replace the thermister. Replace the heater lamp. Replace the MFPC PWB. Replace the thermostat. Check connection of the connector and the harness. Replace the power unit. Replace the interlock switch. Use SIM5-2 to check the flashing operation of the heater lamp.