Faint Print - Brother DCP-8110DN Service Manual

Faint print

Step
1 Relay front PCB failure
Toner sensor failure
2
3 Laser unit failure
4 Main PCB failure
<User Check>
- Check that the machine is installed on a level surface.
- Replace the toner cartridge with a new one.
- Replace the drum unit with a new one.
Cause
Replace the relay front PCB ASSY.
Refer to
2-81
Remedy
"1.3.10 Check sensor operation
(function code: 32)" in Chapter 5
the sensor operation. If the sensor
operation is faulty, replace the toner sensor
PCB ASSY.
Replace the laser unit.
Replace the main PCB ASSY.
to check
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