Problem At Regular Intervals - Ricoh M160 Service Manual

Allowable Misregistration: 4.2 ± 2 mm (Leading edge) / 2 ± 1 mm (Left, right)
SP No.
SP6-006-001 Side-to-Side Regist: Front
SP6-006-003 Leading Edge Regist: Front
SP6-006-007 Rear Edge Erase
Magnification
1. Place the temporary test chart on the ARDF and make a copy from one of the paper
feed trays.
2. Check the magnification and adjust it with SP6-017-001 if necessary.
SP No.
SP6-017-001 ADF Adjustment Magnification

6.4.5 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 or
other problems).
Problems
Problems with the printed
result
SM
Name
Name
Intervals
29.9mm
37.7mm
6-117
Troubleshooting
Range
± 2.0 mm
± 5.0 mm
± 5.0 mm
Range
± 5.0 %
Defective parts
Charge roller
Registration roller
M160/M161