Code :

Code: F2-33
Description: Surface potential sensor abnormality trouble. Front surface potential sensor open or short, sensor detection trouble
Causes: Sensor dirt, sensor trouble. Surface potential sensor harness connection trouble. PCU PWB Trouble. Drum surface state abnormality. Grid high voltage output trouble. Drum charging abnormality due to dirt on the MC grid. The drum life is reached.
Remedy: Check connection of the harness and the connector of the sensor. Check the PCU PWB. Check for dirt on the MC grid. Clean or replace as needed. Check the drum surface condition. Use Sim. 22-1 to check the drum life meter. If it is 100%, it means that the drum life is reached, and maintenance must be performed. Use Sim. 44-3 to execute DARK V0 and check the operation. Check the grid high voltage output.

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

Code: F2-47
Description: Room temperature thermistor breakdown. Room temperature thermistor open or short
Causes: Room temperature thermistor trouble, room temperature thermistor harness connection trouble, PCU PWB trouble.
Remedy: Check connection of the room temperature harness / connector. Check the PCU PWB.

Code: F2-58
Description: Process humidity sensor breakdown. Process humidity sensor open
Causes: Process humidity sensor trouble. Process humidity sensor harness connection trouble. PCU PWB trouble.
Remedy: Check connection of the harness and the connector of the process humidity sensor. Check the PCU PWB.

Code: F2-59
Description: Room humidity thermistor trouble. Room temperature humidity sensor open
Causes: Room temperature humidity sensor trouble, room temperature humidity sensor harness connection trouble, PCU PWB trouble.
Remedy: Check connection of the room temperature humidity sensor harness/connector. Check the PCU PWB.

Code: F3-12
Description: Machine cassette 1 lift-up trouble. LUD1 is not turned ON within the specified time.
Causes: LUD1 sensor trouble. Cassette 1 lift-up motor trouble. Harness connection trouble of PCU PWB, the lift-up unit, and the paper feed unit.
Remedy: Check connection of the harness and the connector of LUD1. Check the lift-up unit.

Code: F3-22
Description: Machine cassette 2 lift-up trouble. LUD2 is not turned on within the specified time.
Causes: LUD2 sensor trouble. Cassette 2 lift-up motor trouble. Harness connection trouble of PCU PWB, the lift-up unit, and the paper feed unit.
Remedy: Check the harness and the connector of LDU2. Check the lift-up unit.

Code: F3-32
Description: Machine cassette 3 lift-up trouble. LUD3 is not turned ON within the specified time.
Causes: LUD3 sensor trouble. Cassette 3 lift-up motor trouble. Harness connection trouble of PCU PWB, the lift-up motor, and the paper feed unit.
Remedy: Check the harness and the connector of LUD3. Check the lift-up unit.