Ricoh C211 Service Manual page 606

8.
Adjusting The Clearance of The Doctor Roller
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Purpose : To equalize the ink thickness around the ink roller and prevent uneven
image.
Method : 1.
2.
3.
4.
5.
6.
Remove the drum unit.
Remove the clamper.
Remove the stainless screen,
the drum unit.
Wipe off the ink around the ink
tetron screen and the metal screen from
roller and the doctor roller.
Insert
a 0.08-mmgap gauge betweenthe doctor roller and the ink roller.
Then make sure that a O.I-mm gauge can not penetrate the gap.
* Check the gap at the right, center, and left positions. The gap must be
uniform from side to side.
If the gap is not within specifications, loosen the screw [A] and adjust the
gap by turning the eccentric bushing [B].
* Before adjustment, remove the drive gear located on the operation side of
the doctor roller as the drive gear restricts the adjustment.
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