Brother DCP-9055CDN Service Manual page 145

■ Paper jam at the MP tray (Error code 8C)
<User Check>
- Check if the paper is loaded into the MP tray correctly.
- Turn back the paper loaded in the MP tray or change the orientation of the paper by 180°.
- Adjust the paper guide corresponding to the paper size.
- Check if too much paper is loaded in the tray.
- Check if the thickness of the paper is 60 to 163 g/m
Step
1 Foreign object around MP tray
2 MP paper feeding kit worn out
3 MP registration front sensor
failure
4 Engine PCB failure
5 Main PCB failure
■ Paper jam around the belt unit (Error code 88, etc.)
<User Check>
- Check if the belt unit is properly installed.
Step
1 Registration rear actuator
malfunction
2 Paper eject actuator
malfunction
3 Harness connection failure of
paper eject sensor PCB ASSY
4 Harness connection failure of
drum drive motor
5 Paper eject sensor PCB failure
6 Drum drive motor failure
7 Rotation failure of the heat roller
8 Engine PCB failure
9 Main PCB failure
Cause
Cause
2-107
2
.
Remedy
Remove the foreign object.
Replace the MP paper feeding kit.
Check the sensor performance following
the procedure described in
32". If any problem occurs, replace the
MP paper empty/registration front sensor
PCB ASSY.
Replace the engine PCB ASSY.
Replace the main PCB ASSY.
Remedy
Re-assemble the registration rear
actuator.
Re-assemble the paper eject actuator.
Check the harness connection of the
paper eject sensor PCB ASSY and
reconnect it.
Check the harness connection of the
drum drive motor and reconnect it.
Replace the paper eject sensor PCB
ASSY.
Replace the drum drive motor.
Replace the fuser unit.
Replace the engine PCB ASSY.
Replace the main PCB ASSY.
"Function code
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