Pcb Problems; Main Pcb Failure; Memory Full; Print Overrun - Brother HL-2250DN Service Manual

4.8

PCB Problems

4.8.1 Main PCB failure

User Check
• Turn the power off and on.
Step
1 Main PCB failure

4.8.2 Memory full

Memory full
User Check
• Press the [Go] button, then print the stored data.
• Reduce the data capacity or reduce the print resolution.
Step
1 Main PCB failure

4.8.3 Print overrun

Data expansion is not in time
User Check
• Reduce the data capacity or reduce the print resolution.
Step
1 Main PCB failure

4.8.4 High voltage power supply PCB ASSY failure

Step
Harness connection failure of high
1 voltage power supply PCB ASSY
High voltage power supply PCB
2
ASSY failure
Low voltage power supply PCB
3
ASSY failure
4 Main PCB failure
Cause
Cause
Cause
Cause
2-45
Remedy
Replace the main PCB ASSY.
Remedy
Replace the main PCB ASSY.
Remedy
Replace the main PCB ASSY.
Remedy
Check the harness connection between
the high voltage power supply PCB ASSY
and main PCB, and reconnect it.
Replace the high voltage power supply
PCB ASSY.
Replace the low voltage power supply
PCB ASSY.
Replace the main PCB ASSY.
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