Code: C-0250
Classification: PI-PFU: PI Tray1
Cause:
PI-PFU (PF-703) upper tray up abnormality.
When the upper limit sensor /1 (PS5) is OFF, PS5 does not turn ON within 20 seconds after the paper lift motor /1 (M7) turns ON for lifting operation. Or, the paper suction sensor /Fr1 and /Rr1 (PS25 and PS26) turn ON before PS5 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 /1 (PS5: PF-703)
- Paper lift motor /1 (M7: 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 upper 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: 6-F).
- Check I/O and the operation of the sensor, and repair/replace it if any abnormality. (Wiring diagram: PF-703: 3-F).
- Upper limit sensor /1 (PS5: PF-703)
- Replace PFUDB