Code :

Code: F1-81
Description: Finisher paper delivery unit paper transport motor trouble
Causes: Paper delivery unit paper transport motor trouble. Finisher control PWB trouble. Harness and connector connection trouble.
Remedy: Use SIM3-3 to check the operation of the paper delivery unit paper transport motor. Replace the paper delivery unit paper transport motor (PDPTM). Replace the finisher control PWB. Check connection of the harness and the connector.

Code: F1-83
Description: Finisher paper guide motor trouble
Causes: Paper guide motor trouble. Finisher control PWB trouble. Harness and connector connection trouble. Home position sensor trouble.
Remedy: Use SIM3-3 to check the operation of the paper guide motor. Replace the paper guide motor (FPGM). Replace the finisher control PWB. Check connection of the harness and the connector. Replace the home position sensor.

Code: F1-84
Description: Finisher grip trouble
Causes: Gripper motor trouble. Finisher control PWB trouble. Harness and connector connection trouble. Home position sensor trouble
Remedy: Use SIM3-3 to check the operation of the gripper motor. Replace the gripper motor (FGM). Replace the finisher control PWB. Check connection of the harness and the connector. Replace the home position sensor.

Code: F1-86
Description: Finisher delivery paper holding motor trouble
Causes: Delivery paper holding motor trouble. Finisher control PWB trouble. Harness and connector connection trouble. Home position sensor trouble.
Remedy: Use SIM3-3 to check the operation of the delivery paper holding motor. Replace the delivery paper holding motor (FDPHM). Replace the finisher control PWB. Check connection of the harness and the connector. Replace the home position sensor.

Code: F2-31
Description: Image density sensor trouble (OPC drum surface reflection ratio abnormality)
Causes: Before execution of the process control, a document is scanned by the image density sensor and the sensor gain is adjusted so that the output is at a fixed level. Though, however, the sensor gain is changed, the output does not become a fixed level. Image density sensor trouble Connection trouble of the harness between the PCU PWB and the image density sensor Image density sensor dirt
Remedy: Use SIM44-2 to execute the gain adjustment of the process control sensor. When there are some troubles, "Error" is displayed. Check the sensor and the harness at that time.

Code: F2-39
Description: Process thermistor trouble
Causes: Process thermistor trouble. Process thermistor harness connection trouble. PCU PWB trouble
Remedy: Replace the process thermistor. Check connection of the harness and the connector. Replace the PCU PWB.

Code: F2-40
Description: Toner density sensor trouble
Causes: Toner density sensor output abnormality (Sample level less than 26, or over 200) Connection trouble of the connector and the harness. Developing unit trouble. PCU PWB trouble.
Remedy: Replace the toner density sensor. Check connection of the connectors and the harness. Replace the developing unit. Replace the PCU PWB.

Code: F2-46
Description: Developing thermistor trouble
Causes: Developing thermistor harness connection trouble. Developing thermistor harness trouble. PCU PWB trouble.
Remedy: Check connection of the harness and connector of the developing thermistor. Replace the developing thermistor harness. Replace the PCU PWB.