Brother HL-L2300D Service Manual page 50

 Error code 0A02
Print Unable 0A
Turn the power off and then back on again.
Detected a fan failure.
Step
Connection failure of the fan
1
harness
Connection failure of the HVPS
2
flat cable
Fan failure
3
Low-voltage power supply PCB
4
failure
High-voltage power supply PCB
5
failure
Main PCB failure
6
 Error code 0B01
Print Unable 0B
Turn the power off and then back on again.
An error occurred in the high-voltage power supply PCB ASSY while operating.
Error code 0B02
Print Unable 0B
Turn the power off and then back on again.
An error occurred in the high-voltage power supply PCB ASSY when the machine was in the
ready state.
<User Check>
• Replace the drum unit.
Step
Connection failure of the HVPS
1
flat cable
High-voltage power supply PCB
2
failure
Main PCB failure
3
Cause
Reconnect the fan harness.
Reconnect the HVPS flat cable.
Replace the fan.
Replace the low-voltage power supply PCB
ASSY.
Replace the high-voltage power supply PCB
ASSY.
Replace the main PCB ASSY.
Cause
Reconnect the HVPS flat cable.
Replace the high-voltage power supply PCB
ASSY.
Replace the main PCB ASSY.
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Remedy
Remedy
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