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Confidential
4.7.4 Drum error
4.7.5 Error message prompting drum replacement does not disappear
<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
and
2
Dirt on the high-voltage power
supply PCB terminal
Clean the electrodes of the machine.
(Refer to
.)
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.
Содержание DCP-L5500D
Страница 42: ...2 7 Confidential 2 2 2 Scanner part Common to Legal A4 models Fig 2 5 Document feed path ...
Страница 162: ...3 2 Confidential 2 PACKING Machine Fig 3 1 Toner pad Option carton Silica gel PE bag Polystylene pad ASSY Carton ...
Страница 227: ...3 67 Confidential 6 Remove the CIS carriage from the CIS drive belt Fig 3 63 CIS drive belt CIS carriage CIS drive belt ...
Страница 343: ...5 28 Confidential Print adjustment test pattern Fig 5 6 ...
Страница 353: ...5 38 Confidential Fig 5 11 K 100 K 1 W 100 K 5 Lattice Total ...