Image Problems - Ricoh M018 Service Manual

Image Problems

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 24-mm intervals: Paper feed roller
Abnormal image at 25.5-mm intervals: Image transfer belt unit
Colored spots at 27-mm intervals: Print cartridge (Development roller)
Abnormal image at 30-mm intervals: Charge roller
Abnormal image at 38-mm intervals: Registration roller
Abnormal image at 60-mm intervals: Transfer roller
Colored spots at 76-mm intervals: Print cartridge (OPC drum)
Abnormal image at 110-mm intervals: Fusing unit (Pressure roller)
Abnormal image at 115.5-mm intervals: Fusing unit (Heat roller)
M018/M019 6-2 SM