Symptom; Possible Cause; Countermeasures; Ribbing - Ricoh G157 Service Manual

4.4.4 RIBBING

Symptom

The image is weak on the right or left side.

Possible Cause

1) Small tilt on the surface where the
copier is installed (tilt should be less
than 1 degree).
2) Toner amount in the development
unit is not sufficient.
3) The development unit is not level
(the toner in the unit is on one side
only).
4) The rear cover is not correctly
closed.
5) The OPC belt is off the track and
damaged.
6) Retraction of the development unit.

Countermeasures

1) Check that the copier is installed on
a level surface.
2) Shake the toner cartridge horizontally several times.
3) Replace the development unit.
4) Close the rear cover correctly.
5) Replace the OPC belt unit.
6) Replace the development solenoid
SM 4-25
IMAGE QUALITY
G157T904.TIFF
1
G157T501.WMFF
G157