Brother HL-4140CN Service Manual page 60

■ Error code 29
Print Unable 29
Turn the power off and then back on again.
Paper eject motor error.
<User Check>
- Turn OFF the power switch, and turn it ON again after a while.
Step
1 Harness connection failure of
paper eject motor
2 Paper eject motor failure
3 Engine PCB failure
4 Low-voltage power supply PCB
failure
5 Main PCB failure
■ Error code 2A
Print Unable 2A
Turn the power off and then back on again.
Develop release motor error.
<User Check>
- Turn OFF the power switch, and turn it ON again after a while.
Step
1 Harness connection failure of
develop release motor
2 Develop release motor failure
3 Engine PCB failure
4 Low-voltage power supply PCB
failure
5 Main PCB failure
Cause
Cause
2-29
Remedy
Check the harness connection of the
paper eject motor and reconnect it.
Replace the paper eject motor.
Replace the engine PCB ASSY.
Replace the low-voltage power supply
PCB ASSY.
Replace the main PCB ASSY.
Remedy
Check the harness connection of the
develop release motor and
reconnect it.
Replace the develop release motor.
Replace the engine PCB ASSY.
Replace the low-voltage power supply
PCB ASSY.
Replace the main PCB ASSY.
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