Code: C-1231
Classification: FD: FD abnormality
Cause:
After the FD paper lift motor/Lw (M9) is in the down operation, the PI lift plate home sensor/Lw (PS40) does not become active within a specified period of time. Alternatively, after the paper lift motor/Lw (M9) is in the Up operation. The PI upper limit sensor/Lw (PS38) does not become active.
Measures to take when alert occurs:
The main body and the option stop immediately.
Estimated abnormal parts:
- Paper lift motor/Lw (M9)
- PI drive board (PIDB)
- PI lift plate home sensor/Lw (PS40)
- PI upper limit sensor/Lw (PS38)
Press the help key, and activate and deactivate the sub power switch (SW2) of the main body.
Note:
- When you isolate the faulty part, the limited use is available.
- The messages "Please call service" and "Press [Help] to disengage" are displayed alternately on the touch panel.
- When you press the help key, the message "Please turn on power again" is displayed on the touch panel.
Solution:
- Check the PI lower tray section, and clean or repair it when there is any abnormality.
- Check the connector connection and the wiring among PIDB, motors and sensors, and repair it when there is any abnormality.
- Check the I/O drive of the motor and the coupling of the gear, and repair or replace it when there is any abnormality. (Wiring diagram: FD-503: 9-A)
- Check I/O and the operation of the sensor, and repair or replace it when there is any abnormality. (Wiring diagram: FD-503: 7-A, 8-A)
- Replace PS38 or PS40.
- Replace M9.
- Replace PIDB.