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