Ricoh M118, Service Manual

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Image Problems
SM 6-9 M118/M119
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6.2 IMAGE PROBLEMS
6.2.1 OVERVIEW
Image problems may appear at regular intervals that depend on the circumference of certain
components. The following diagram shows the possible symptoms (black or white dots at regular
intervals).

Abnormal image at 29.8 mm intervals: Charge roller

Abnormal image at 37.7 mm intervals: Registration roller

Colored spots at 37.9 mm intervals: Print cartridge (Development roller)

Abnormal image at 45.8 mm intervals: Transfer roller

Colored spots at 75.3 mm intervals: Print cartridge (OPC drum)

Abnormal image at 94.2 mm intervals: Fusing unit (Pressure roller)
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Abnormal image at 93.1 mm intervals: Fusing unit (Hot roller)
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Abnormal image at 100.5 mm intervals: Paper feed roller
6.2.2 TEST PAGE PRINTING
When you check an image problem or other problems, it might be necessary to print a test page.
Follow the test page print procedure below to print a test page.
Test Page Print Procedure
1. Press the "User Tools".
2. Press the "Up" or "Down" keys to select "Printer Features" and then press the "OK" key.
3. Press the "Up" or "Down" keys to select "List/Test Print" and then press the "OK" key.
4. Press the "Up" or "Down" keys to select "Test Page" and then press the "OK" key.
5. Press the left key "Yes" of the “Selection keys” to print the test page to preview the settings.

Test page sample