Code :

Code: F3-12
Description: Paper feed tray 1 lift operation trouble
Causes: LUD1 is not turned ON within the specified time. CLUD1 sensor trouble Paper feed tray 1 lift unit trouble. PCU PWB trouble. Harness and connector connection trouble.
Remedy: Check connection of the harness and the connector of LUD1. Replace the lift-up unit. Replace the PCU PWB.

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

Code: H2-01
Description: Thermister open trouble (TH_LM)
Causes: Thermister trouble. PCU PWB trouble. Connection trouble of the connector and the harness. Fusing unit not installed.
Remedy: Replace the thermister. Replace the PCU PWB. Harness and connector connection trouble.

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

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

Code: H2-04
Description: Thermister open (TH_EX1)
Causes: Thermister trouble. PCU PWB trouble. Connection trouble of the connector and the harness. Fusing unit not installed.
Remedy: Replace the thermister. Replace the PCU PWB. Harness and connector connection trouble.

Code: H2-05
Description: Thermister open (TH_EX2)
Causes: Thermister trouble. PCU PWB trouble. Connection trouble of the connector and the harness. Fusing unit not installed.
Remedy: Replace the thermister. Replace the PCU 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. PCU 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 PCU PWB. Harness and connector connection trouble. Replace the power unit.