Code: C-0331
Classification: Main body: Fan abnormality
Cause:
Paper feed assist fan /Fr2 (FM23) rotation abnormality.
The FM23 EM error detection signal is detected twice in succession within a specified period of time after FM 23 was turned ON. However, error detection signal (24V cut off) is not detected.
Measures to take when alert occurs:
The main body and the option stop immediately.
Estimated abnormal parts:
- Paper feed assist fan /Fr2 (FM23)
- Printer control board (PRCB)
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 connector connection and the wiring between PRCB and the fan, and repair it if any abnormality.
- Rotate the fan or I/O by hand, and repair it if any abnormality. (Wiring diagram: Main body (3/4): 23-A).
- Replace FM23.
- Replace PRCB.