Ricoh C211 Service Manual page 168

PRESSURE TIMING ADJUSTMENT
Purpose:
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To ensure that the maximum printing area is within specifications, and
that the ink does not stain the trailing edge.
Stack about 100 sheets of 20 lb paper on the table.
Set the paper feed roller pressure lever to the upper position.
Remove both front and rear covers of the machine.
Access 1/0 check mode (See page 4-1 1).
. Enter "O"in the memory display and "4" in the copy counter.
Press the Print Start key to raise the paper table to the correct position.
Set the Image Shifting indicator at "O"position, and turn the drum to the
home position for drum replacement.
Set a protractor on the image shifting shaft [A].
Position the origin of the protractor at the bracket of the master feed
clamper solenoid,
Using a spanner (1O mm), turn the drum rotation shaft counterclockwise
while pressing in the plunger of the paper feed solenoid and the printing
pressure solenoid.
Turn the drum rotation shaft a little further, and stop it when the pressure
roller begins to contact the drum surface.
In the above condition, measure the degrees turned, this should be 225* I
degrees.
If incorrect, loosen the screws [B] of the pressure cam [C] and adjust by
turnina the messure cam.
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