Brother DCP-9055CDN Service Manual page 106

■ Error code 88
Jam Inside
Open the Front Cover, pull out the Drum Unit completely and remove the
jammed paper.
Paper jam inside the machine.
<User Check>
- Check if the paper is jammed. If jammed, remove it.
Step
1 Harness connection failure of
paper eject sensor PCB ASSY
2 Paper eject actuator catching on
some position
3 Paper eject sensor PCB failure
4 Main PCB failure
■ Error code 89
Size Error DX
Specify the correct paper and press Start.
Unsupported paper is used for duplex printing.
<User Check>
- Use the A4 or Letter size paper.
- Check if the thickness of the paper is 60 to 105 g/m
Step
1 Registration front/rear sensor
PCB failure
Cause
Cause
2-68
Remedy
Check the harness connection of the
paper eject sensor PCB ASSY and
reconnect it.
Correct catching of the paper eject
actuator.
Check the sensor performance following
the procedure described in
32". If any problem occurs, replace the
paper eject sensor PCB ASSY.
Replace the main PCB ASSY.
2
.
Remedy
Check the registration front sensor perfor-
mance following the procedure described
in "Function code 32". If any problem is
found, replace the registration front/rear
sensor PCB ASSY.
"Function code
Confidential