Image Quality; Problem At Regular Intervals - Ricoh SP 330DN Field Service Manual

Image Quality

Problem at Regular Intervals

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).
1. Paper feed direction
2. Problems at regular intervals
Problems
Problems with the printed result
(other than black or white dots)
Black or white dots
Intervals
29.8 mm Charge roller
37.7 mm Registration roller
45.8 mm Transfer roller
94.2 mm Fusing unit (Pressure roller)
93.1 mm Fusing unit (Hot roller)
100.5 mm Paper feed roller
27.0 mm AIO (Development roller)
75.3 mm AIO (OPC drum)
6.Troubleshooting
Defective parts
193