- Pick up solenoid (SD100)
- Paper feed clutch (CL101)
- Pre-registration clutch (CL102)
- LU drive board (LUDB)
Solution:
- Check the connector connection and the wiring between LUDB and solenoid/clutch, and repair it if any abnormality.
- Check the I/O drive of the solenoid/clutch and the coupling of the gear, repair/replace it if any abnormality, and then replace SD100, CL101 and CL102 (Wiring diagram: LU: 7-G, 6-G).
- Replace LUDB.
- Replace SD100/CL101/CL102 and LUDB at a time.
