Brother MFC495CW
- Code: 4F
- Description: The head drive voltage has dropped from the high to low level in an abnormally short period. The head drive voltage has not risen to the specified level within the specified period in the self-diagnosis.
- Causes:
- Remedy: Piezoelectric ceramic actuator defective (Cracks or rare short) Replace the carriage PCB ASSY. Replace the head/carriage unit. Main PCB defective Replace the main PCB.
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