Stained Paper Edges; Stained Background - Ricoh MP C6502 series Operation Manual

3. Troubleshooting Image Quality Problems
3. Open the paper output unit cover.
4. Turn the rollers to clean them using a slightly damp cloth.
5. After cleaning, restore the machine so that it resumes operation.

Stained Paper Edges

Solution:
1. If the paper edges are stained, carry out the procedure in
Fusing".

Stained Background

Random "powdered" dots appear, creating a dirty background.
The background may be partially or completely stained.
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CWH077
CWH411
page 64 "Insufficient Toner