■ DRUM END SOON
The drum unit reached its life and requires replacement.
<User Check>
- Replace the drum unit with a new one.
- Reset the counter.
■ DRUM ERROR
Dirt on drum unit.
<User Check>
- Clean the corona wire in the drum unit.
- Replace the drum unit with a new one, and reset the drum counter.
Step
Dirt or dust on drum unit
1
electrodes
High-voltage power supply PCB
2
failure
3
Main PCB ASSY failure
Cause
3-15
Remedy
Clean the electrodes on the drum unit and
the machine body (Refer to
Replace the high-voltage power supply
PCB.
Replace the main PCB ASSY failure.
Fig. 3-2, Fig.
3-3).
Confidential