Brother DCP-7055 - PCB Problems; Main PCB Failure; Out of Memory; High Voltage Power Supply PCB ASSY Failure

2-102
Confidential
3.13 PCB Problems
3.13.1 Main PCB failure
3.13.2 Out of Memory
Memory full
3.13.3 High voltage power supply PCB ASSY failure
User Check
• Turn the power off and on.
Step Cause Remedy
1 Main PCB failure Replace the main PCB ASSY.
User Check
• Then print the stored data.
• Reduce the data capacity or reduce the print resolution.
Step Cause Remedy
1 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1
Harness connection failure of high
voltage power supply PCB ASSY
Check the harness connection between
the high voltage power supply PCB ASSY
and main PCB, and reconnect it.
2
High voltage power supply PCB
ASSY failure
Replace the high voltage power supply
PCB ASSY.
3
Low voltage power supply PCB
ASSY failure
Replace the low voltage power supply
PCB ASSY.
4 Main PCB failure Replace the main PCB ASSY.