Brother MFC-9340CDW - Making Copies; How to Copy

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4. TROUBLESHOOTING
4.1 Error Cause and Remedy
■ Error code 0100
ASIC error or motor driver error occurred.
■ Error code 0201
Synchronization signal from the main motor cannot be detected. Or the main motor speed is
unstable after a set period of time.
■ Error code 0202
Synchronization signal from the process motor cannot be detected. Or the process motor
speed is unstable after a set period of time.
Print Unable 01
Turn the power off and then back on again.
Step Cause Remedy
1 Main PCB failure Replace the main PCB ASSY.
Print Unable 02
Turn the power off and then back on again.
Step Cause Remedy
1 Main motor harness connection
failure
Check the main motor harness connection
and reconnect it.
2 Harness connection failure
between the low-voltage power
supply PCB and main PCB
Check the harness connection between
the low-voltage power supply PCB and
main PCB, and reconnect it.
3 Main motor failure Replace the process drive unit.
4 Low-voltage power supply PCB
failure
Replace the low-voltage power supply
PCB ASSY.
5 Main PCB failure Replace the main PCB ASSY.
Print Unable 02
Turn the power off and then back on again.
Step Cause Remedy
1 Process motor harness
connection failure
Check the process motor harness
connection and reconnect it.
2 Harness connection failure
between the low-voltage power
supply PCB and main PCB
Check the harness connection between
the low-voltage power supply PCB and
main PCB, and reconnect it.
3 Process motor failure Replace the process drive unit.
4 Low-voltage power supply PCB
failure
Replace the low-voltage power supply
PCB ASSY.
5 Main PCB failure Replace the main PCB ASSY.