Problem At Regular Intervals - Ricoh M0A0 Service Manual

6.Troubleshooting
SPDF Image Adjustment
Registration

Use the above test charts to adjust these settings.
1.
Place the temporary test chart on the SPDF and make a copy from one of the paper feed trays.
2.
Check the registrations, and adjust as necessary with the appropriate SP modes, as follows.
Allowable registration errors: 4.2 ± 2 mm (Leading edge) / 2 ± 1 mm (Left, right)
SP No.
SP6-006-001
SP6-006-003
SP6-006-007
Magnification
1.
Place the temporary test chart on the SPDF 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

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).
1. Paper feed direction
2. Problems at regular intervals
304
Side-to-Side Regist: Front
Leading Edge Regist: Front
Rear Edge Erase
SPDF Adjustment Magnification
Name
Name
Range
± 2.0 mm
± 5.0 mm
± 5.0 mm
Range
± 5.0 %