Code: C-0306
Classification: Main body: Fan abnormality
Cause:
Paper cooling exit fan /Up (FM4) rotation abnormality.
The FM4EM error detection signal is detected twice in succession within a specified period of time after FM4 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 exit cooling fan /Up (FM4)
- Printer control board (PRCB)
- AC drive board (ACDB)
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.
- Check the connector connection and the wiring between ACDB 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 (2/4): 10-A)
- Replace FM4
- Replace PRCB.
- Replace ACDB.