Brother HL-4140CN Service Manual page 64

■ Error code 33
Print Unable 33
Turn the power off and then back on again.
Registration mark R PCB ASSY error.
Error code 34
Print Unable 34
Turn the power off and then back on again.
Registration mark L PCB ASSY error.
This error does not usually occur in the normal use. The conceivable causes are noise around
the installation site, fluctuation of the power supply voltage, and failures in the software.
<User Check>
- Turn OFF the power switch, and turn it ON again after a while.
Step
1 Main PCB failure
■ Error code 35
Print Unable 35
Turn the power off and then back on again.
Failure in NVRAM of the engine PCB.
This error does not usually occur in the normal use. The conceivable causes are noise around
the installation site, fluctuation of the power supply voltage, and failures in the software.
<User Check>
- Turn OFF the power switch, and turn it ON again after a while.
Step
1 Engine PCB failure
2 Main PCB failure
Cause
Cause
2-33
Remedy
Replace the main PCB ASSY.
Remedy
Replace the engine PCB ASSY.
Replace the main PCB ASSY.
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