- Tray lift-up motor /2 (M34)
- Printer control board (PRCB)
- Check the connector connection and the wiring between PRCB and the motor, and repair it if any abnormality.
- Check the I/O drive of the motor and the coupling of the gear, and repair/replace it if any abnormality. (Wiring diagram: Main body (3/4): 21-A)
- Replace M34
- Replace PRCB
