Brother DCP-7055 Service Manual page 86

■ Error code 85
These errors do not usually occur in the normal use. The conceivable causes are noise around
the installation site, fluctuation of the power supply voltage, and failures in the software.
No Tray
A Tray is not detected, install #T.
Error, which cannot be specified, occurs.
Error code 86
No Tray
A Tray is not detected, install #T.
Error, which cannot be specified, occurs.
Error code 87
---
Error, which cannot be specified, occurs.
<User Check>
• Turn OFF the power switch, and turn it ON again after a while.
Step
1 Main PCB failure
■ 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
Harness connection failure of
1
paper eject sensor PCB ASSY
Paper eject actuator catching on
2
some position
Paper eject sensor PCB failure
3
4 Fuser unit gear damaged
5 Main PCB failure
Cause
Cause
2-49
Remedy
Replace the main PCB ASSY.
Remedy
Check the harness connection of the paper
eject sensor PCB ASSY and reconnect it.
Correct the position of the paper eject
actuator.
Replace the paper eject sensor PCB
ASSY.
Replace the Fuser unit.
Replace the main PCB ASSY.
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