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3. Adjusting The Pressure Timing
[A]
Purpose :
To ensure that the maximum printing area is within specifications, and that
the ink does not stain the trailing edge.
Method :
1.
2.
3.
4.
5.
6.
7.
8.
9.
Stack about 100 sheets of 20 lb. paper on the table.
Set the paper feed roller pressure lever in the upper position.
Remove both front and rear covers of the machine.
Set the paper table in the paper feed position.
Turn on the power switch while pressing the Print Start key (Start key: SS830),
Stop key and Clear key on the operation panel.
Enter "0" in the rnernory
display and "4" in the copy counter.
Then press the Print Start key (Start key: SS830) to raise the paper table to
the correct position.
Set the Image Shifting indicator at "O"position, and turn the drum to the
correct position for 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 (l Omm) open
end
wrench,
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 press
roller begins to contact the drum surface.
In the above condition, measure the degrees turned, this should be 230
to 231 degrees.
10.lf incorrect, loosen the screw [B] of the pressure cam [C] and adjust by
turning the pressure cam [C].
5-54
Rev. 8/89
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