Brother DCP-L8400CDN Service Manual page 74

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Error code 0A02
Print Unable 0A
Turn the power off and then back on again.
The fuser fan failure was detected.
Step
1 Connection failure of the fuser
fan harness
2 Connection failure of the
high-voltage power supply PCB
harness
3 Fuser fan failure
4 Low-voltage power supply PCB
failure
5 High-voltage power supply PCB
failure
6 Main PCB failure
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Error code 0B01
Print Unable 0B
Turn the power off and then back on again.
Error occurred in the high-voltage power supply PCB ASSY while the machine is in operation.
Error code 0B02
Print Unable 0B
Turn the power off and then back on again.
Error occurred in the high-voltage power supply PCB ASSY in the ready state.
< User Check >
- Replace the drum unit.
Step
1 Connection failure of the
high-voltage power supply PCB
harness
2 High-voltage power supply PCB
failure
3 Main PCB failure
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Error code 0C00
Print Unable 0C
Turn the power off and then back on again.
Error occurred in the density sensor.
Step
1 Connection failure of the
registration mark sensor L PCB
harness
2 Registration mark sensor L PCB
failure
3 Main PCB failure
Cause
Reconnect the fuser fan harness.
Reconnect the high-voltage power supply
PCB harness.
Replace the fuser fan.
Replace the low-voltage power supply
PCB unit.
Replace the high-voltage power supply
PCB ASSY.
Replace the main PCB ASSY.
Cause
Reconnect the high-voltage power supply
PCB harness.
Replace the high-voltage power supply
PCB ASSY.
Replace the main PCB ASSY.
Cause
Reconnect the registration mark sensor L
PCB harness.
Replace the registration mark sensor unit.
Replace the main PCB ASSY.
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Remedy
Remedy
Remedy
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