Measures to take when alert occurs: The main body and the option stop immediately.
Estimated abnormal parts: Printer control board (PRCB)
Correction:
Turn OFF/ON the power switch (SW2) of the main body when releasing an abnormal condition.
Solution:
- After turning OFF the sub power switch, turn OFF the main power switch and unplug the power plug. Restart the main body after 10 seconds.
- Check the connector connection status on PRCB, and repair it if any abnormality.
- Replace PRCB.