Code: C-0252
Classification: PI-PFU: PI Tray2
Cause:
PI-PFU (PF-703) middle tray up abnormality.
When the upper limit sensor /2 (PS9) is OFF, PS9 does not turn ON within 20 seconds after the paper lift motor /2 (M8) turns On for lifting operation. Or, the paper suction sensor /Fr2 and /Rr2 (PS27 and PS28) turn ON before PS9 turns ON while in tray lifting.
Measures to take when alert occurs:
The main body and the option stop immediately.
Estimated abnormal parts:
- Upper limit sensor /2 (PS9: PF-703)
- Paper lift motor /2 (M8: PF-703)
- PF drive board (PFUDB: PF-703)
Correction:
Turn OFF/ON the power switch (SW2) of the main body when releasing an abnormal condition.
Note: The message "Please call service" is displayed on the panel.
Solution:
- Check the paper loaded condition and the rear end restriction plate misaligned of the middle tray, and repair it if any abnormality.
- Check the connector connection and the wiring between PFUDB and motor/sensor, 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: PF-703: 12-F).
- Check I/O and the operation of the sensor, and repair/replace it if any abnormality. (Wiring diagram: PF-703: 9-F)
- Replace PS9: PF-703
- Replace M8: PF-703
- Replace PFUDB