Ricoh PRO 8100S Operating Instructions Manual page 20

3. Troubleshooting Image Quality Problems
Cause:
• The charger is stained.
• The cleaning unit for PCU has worn out.
• The drum surface is scratched.
Solution:
1. Detach the charger and check its surface. Is the surface stained?
Yes Contact your service representative.
No Go to the next step.
2. Detach the photoconductor unit and check the drum surface. Is the surface stained or
scratched?
Stained:
Scratched: Replace the drum.
Neither:
3. If the problem persists even though you have replaced the cleaning unit for PCU or drum,
contact your service representative.
• For details about replacing the charger, cleaning unit for PCU and drum, see Replacement Guide.
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CZC346
Replace the cleaning unit for PCU.
Contact your service representative.