Ricoh SP 230SFNw, Service Manual

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2-82
Confidential
4.7.4 Drum error
<User Check>
• Clean the corona wire of the drum unit.
• Replace the drum unit with a new one.
4.7.5 Drum replacement message displayed on LCD is not cleared
<User Check>
• Reset the drum counter according to the manual.
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. 2-10 (P2-
40) and Fig. 2-11 (P2-40) .)
2
Dirt on the electrodes of the
high-voltage power supply
PCB and those of the machine Clean the electrodes of the high-voltage
power supply PCB and those of the machine.
3
High-voltage power supply
PCB failure Replace the high-voltage power supply PCB
ASSY.
4 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1 Main PCB failure Replace the main PCB ASSY.