Brother 09055CDN Service Manual page 148

■ Paper jam in the back cover and paper eject section (Error code 84, etc.)
Step
1 Foreign object around paper eject
2 Coming off of back flapper ASSY
3 Paper eject actuator
malfunction
4 Harness connection failure of
paper eject motor
5 Paper eject sensor PCB ASSY
failure
6 Paper eject motor failure
7 Paper eject ASSY failure
8 Engine PCB failure
9 Main PCB failure
■ Paper jam during duplex printing (Error code 57, etc.)
<User Check>
- Use the A4 or letter size recording paper.
Step
1 Foreign object around paper
eject
2 Foreign object around duplex
feed ASSY
3 Foreign object around duplex
tray
4 Paper eject actuator
malfunction
5 Coming off of back flapper ASSY
6 Harness connection failure of
paper eject motor
7 Duplex feed ASSY failure
8 Duplex paper guide failure
9 Paper eject motor failure
10 Paper eject ASSY failure
11 Engine PCB failure
12 Main PCB failure
Cause
Cause
2-109
Remedy
Remove the foreign object.
Re-assemble the back flapper ASSY.
Re-assemble the paper eject actuator.
Check the harness connection of the
paper eject motor and reconnect it.
Check the sensor performance following
the procedure described in
32". If any problem occurs, replace the
paper eject sensor PCB ASSY.
Replace the paper eject motor.
Replace the paper eject ASSY.
Replace the engine PCB ASSY.
Replace the main PCB ASSY.
Remedy
Remove the foreign object.
Remove the foreign object.
Remove the foreign object.
Re-assemble the paper eject actuator.
Re-assemble the back flapper ASSY.
Check the harness connection of the
paper eject motor and reconnect it.
Replace the duplex feed ASSY.
Replace the paper tray 1.
Replace the paper eject motor.
Replace the paper eject ASSY.
Replace the engine PCB ASSY.
Replace the main PCB ASSY.
"Function code
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