Brother HL-2260, Service Manual

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Confidential
4.7.3 Error message prompting toner cartridge replacement does not disappear
4.7.4 Drum error
4.7.5 Error message prompting drum replacement does not disappear
<User Check>
- Check that a new (not used) toner cartridge is set.
- Check that the genuine toner cartridge is set.
Step Cause Remedy
1
New toner actuator coming off Reattach the new toner actuator.
2
Connection failure of the new toner
sensor PCB flat cable
Reconnect the new toner sensor PCB flat
cable.
3
Connection failure of the panel PCB
flat cable
Reconnect the panel PCB flat cable.
4
New toner sensor PCB failure Replace the new toner sensor PCB ASSY.
5
Panel PCB failure Replace the panel PCB ASSY.
6
Main PCB failure Replace the main PCB ASSY.
<User Check>
- Clean the corona wire of the drum unit.
- Replace the drum unit with a new one.
Step Cause Remedy
1
Dirt on the electrodes of the drum
unit and those of the machine
Clean the electrodes of the drum unit and
those of the machine. (Refer to Fig. 2-5 and
Fig. 2-6 .)
2
Dirt on the high-voltage power
supply PCB terminal
Clean the electrodes of the machine.
(Refer to Fig. 2-6 .)
3
High-voltage power supply PCB
failure
Replace the high-voltage power supply PCB
ASSY.
4
Main PCB failure Replace the main PCB ASSY.
<User Check>
- Reset the drum counter according to the manual.
Step Cause Remedy
1
Main PCB failure Replace the main PCB ASSY.