Troubleshooting Image Quality Problems; Color Toner Spotting/Staining; Paper Is Spotted With Toner - Ricoh Pro C651EX Troubleshooting Manual

3. Troubleshooting Image Quality Problems

This section describes some common image quality problems and explains how to
resolve them.
Paper Feed Direction
The dark arrow in each illustration indicates the direction of paper feed.

3.1 Color Toner Spotting/Staining

3.1.1 Paper Is Spotted with Toner

Paper is soiled with toner spots of 0.5–1 mm (0.02–0.04 inches) in diameter.
Cause:
Toner fragments have slipped through the cleaning web.
This may occur in any of the following cases:
Duplex printing, printing on uncoated (especially rough-textured) paper, halftone
printing, printing after halftone printing, or printing after printing on many small-size
sheets
Note:
• To adjust the following settings, pre-register the type of paper in use as a custom
paper. For details about registering custom papers, see "Registering a Custom
Paper", Paper Settings Reference.
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