Brother DCP-8110DN Service Manual page 89

Error codes 8100 and 8200
These errors do not usually occur during normal use. The possible causes are noise around
the installation site, fluctuation of the power supply voltage, and failures in the software.
---
An unidentified error occurred.
Step
1 Main PCB failure
Error code 8300
Drum Stop
Replace the Drum Unit. Refer to the instructions in the carton of the new drum.
Detected discharge when the number of rotations of the drum has exceeded twice the life
limit.
<User Check>
• Replace the drum unit with a new one, and reset the drum counter.
Step
High-voltage power supply PCB
1
failure
2 Main PCB failure
Error code 8400
Jam Rear
Open the Back Cover and remove the jammed paper, then press Start.
The eject sensor remains ON (paper pass detected) for more than the specified time even
after the registration rear sensor detected the end of paper pass.
<User Check>
• Remove the paper jammed in the rear section of the machine.
Step
Foreign object in the rear of the
1
machine
Eject actuator caught in some
2
sections of the machine
Eject sensor failure
3
4 Main PCB failure
CAUTION:
• Do not use a sharp tool such as tweezers or screwdriver to remove the jammed paper.
Cause
Replace the main PCB ASSY.
Cause
Replace the high-voltage power supply PCB
ASSY.
Replace the main PCB ASSY.
Cause
Remove the foreign object.
Reattach the eject actuator.
Refer to
(function code: 32)" in Chapter 5
sensor operation. If the sensor operation is
faulty, replace the eject sensor PCB ASSY.
Replace the main PCB ASSY.
2-44
Remedy
Remedy
Remedy
"1.3.10 Check sensor operation
to check the
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