Brother HL-4140CN Service Manual page 61

■ Error code 2B
Print Unable 2B
Turn the power off and then back on again.
Blower error.
<User Check>
- Turn OFF the power switch, and turn it ON again after a while.
Step
1 Harness connection failure of
blower
2 Blower failure
3 High-voltage power supply PCB
failure
4 Main PCB failure
Cause
2-30
Remedy
Check the harness connection of the
blower and reconnect it.
Replace the blower.
Replace the high-voltage power supply
PCB ASSY.
Replace the main PCB ASSY.
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