Troubleshooting; Error Cause And Remedy - Brother DCP-L8400CDN Service Manual

4.

TROUBLESHOOTING

4.1

Error Cause and Remedy

■
Error code 0100
Print Unable 01
Turn the power off and then back on again.
ASIC error or motor driver error occurred.
Step
1
■
Error code 0201
Print Unable 02
Turn the power off and then back on again.
Synchronization signal from the main motor cannot be detected. Or the main motor speed is
unstable after a set period of time.
Step
1
2
3
4
5
6
■
Error code 0202
Print Unable 02
Turn the power off and then back on again.
Synchronization signal from the process motor cannot be detected. Or the process motor
speed is unstable after a set period of time.
Step
1
2
3
4
5
Cause
Main PCB failure
Cause
Connection failure of the main
motor harness
Connection failure of the
low-voltage power supply PCB
harness
Part in the process drive unit
damaged
Fuser unit damaged
Low-voltage power supply PCB
failure
Main PCB failure
Cause
Connection failure of the process
motor harness
Connection failure of the
low-voltage power supply PCB
harness
Part in the process drive unit
damaged
Low-voltage power supply PCB
failure
Main PCB failure
Replace the main PCB ASSY.
Reconnect the main motor harness.
Reconnect the low-voltage power supply
PCB harness.
Replace the process drive unit.
Replace the fuser unit.
Replace the low-voltage power supply
PCB unit.
Replace the main PCB ASSY.
Reconnect the process motor harness.
Reconnect the low-voltage power supply
PCB harness.
Replace the process drive unit.
Replace the low-voltage power supply
PCB unit.
Replace the main PCB ASSY.
2-39
Remedy
Remedy
Remedy
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