Ricoh MP C6502SP Field Service Manual page 1392

5. Troubleshooting
Troubleshooting for White, fish-shape stains
Symptom
Rows of "Medaka" (small, white, fish-shaped specks) appear in solid image areas along the paper
feed direction at 189mm intervals when printing onto A3/SRA3 paper.
Cause
Small foreign objects or particles on the surface of the OPC drum
Solution
Do the action shown in the flowchart below.
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