Code :

Code: F1-78
Description: Finisher staple-free staple motor section trouble
Causes: Motor lock Finisher control PWB trouble Home position, encoder sensor trouble Disconnection of harness or connector
Remedy: Use SIM3-3 to check the operation of the staple-free staple motor. Check the harness and the connector connection from the control PWB to the motor and the sensor. Replace the stacker control PWB. Replace the staple-free staple unit. Replace the harness from the control PWB to the motor and the sensor.

Code: F1-83
Description: Guide sub motor trouble (3K FIN)
Causes: Motor lock. Control PWB trouble. Disconnection of harness. Connector connection trouble. Home position sensor trouble.
Remedy: Use SIM3-3 to check the operation of the guide sub motor. Check the harness and the connector connection from the control PWB to the motor and the sensor. Replace the stacker control PWB. Replace the guide sub motor. Replace the front tongue-shaped home position senor. Replace the rear tongue-shaped home position senor. Replace the harness from the control PWB to the motor and the sensor.

Code: F1-89
Description: Shift motor trouble (1K FIN)
Causes: Connection trouble of the connector and the harness. Shift motor trouble Home position sensor trouble Finisher control PWB trouble
Remedy: Use SIM3-3 to check the operation of the shift motor. Use SIM3-2 to check the operation of the home position sensor. Check connection of the connector and the harness. Replace the shift motor. Replace the home position sensor. Replace the finisher control PWB.

Code: F2-22
Description: Discharge lamp trouble (K)
Causes: Contact trouble between the discharge lamp PWB (K) and the PCU PWB. Discharge lamp PWB (K) trouble. PCU PWB trouble.
Remedy: Use SIM5-4 to check the operation of the discharge lamp on. Replace the discharge lamp PWB (K). Check the harness and the connector. Replace the PCU PWB.

Code: F2-23
Description: Discharge lamp trouble (C)
Causes: Contact trouble between the discharge lamp PWB (C) and the PCU PWB. Discharge lamp PWB (C) trouble. PCU PWB trouble.
Remedy: Use SIM5-4 to check the operation of the discharge lamp on. Replace the discharge lamp PWB (C). Check the harness and the connector. Replace the PCU PWB.

Code: F2-24
Description: Discharge lamp trouble (M)
Causes: Contact trouble between the discharge lamp PWB (M) and the PCU PWB. Discharge lamp PWB (M) trouble. PCU PWB trouble.
Remedy: Use SIM5-4 to check the operation of the discharge lamp on. Replace the discharge lamp PWB (M). Check the harness and the connector. Replace the PCU PWB.

Code: F2-25
Description: Discharge lamp trouble (Y)
Causes: Contact trouble between the discharge lamp PWB (Y) and the PCU PWB. Discharge lamp PWB (Y) trouble. PCU PWB trouble.
Remedy: Use SIM5-4 to check the operation of the discharge lamp on. Replace the discharge lamp PWB (Y). Check the harness and the connector. Replace the PCU PWB.

Code: F2-39
Description: Temperature/humidity sensor trouble (Indoor temperature detection trouble)
Causes: Detection of abnormality by the temperature sensor on internal temperature/ humidity sensor PCU PWB trouble.
Remedy: Check internal temperature/humidity sensor and check the connection of harness and connector. Check the PCU PWB.