Symptom; Possible Cause; Countermeasures; Wrinkle/Image Migration - Ricoh G108 Service Manual

4.2.5 WRINKLE/IMAGE MIGRATION

Symptom

The image density varies and band-like
shadows ("Mimizu Pattern") appear
because of wrinkled paper, image
migration, and/or incorrect color
registration.

Possible Cause

1) Paper in use is wrinkled or not a
recommended type.
2) The rear cover is not locked
correctly.
3) The fusing unit is damaged.
4) One side of the fusing unit is not in position when the unit is installed.

Countermeasures

1) Use a recommended paper type or new paper.
2) Push the rear cover and make sure it is locked on both sides.
3) Check that the fusing unit is installed correctly and attached with the lock
levers on both sides.
4) Replace the fusing unit.
4.2.6 WHITE LINE 1
Symptom
A vertical white line appears in a specified
color area on a test print in four-color
mode (Stripe Mode).
Possible Cause
1) Foreign particles are adhered to the
development roller of the color in
question.
2) The development roller's surface is
damaged.
Countermeasures
1) Execute the test print.
2) Isolate the development unit that
causes the white line.
3) Remove any foreign particles from the development roller.
SM 4-11
IMAGE QUALITY
G108T905.TIF
G108T906.TIF
G108