Ricoh C211 Service Manual page 153

<Step 2>
This procedure should only be used when the proper pressure cannot be
achieved in step 1.
1.
2.
3.
4.
5.
6.
7.
Stack about 100 sheets of 20 lb, paper on the paper table. Lift up the paper
table until it stops automatically.
Set the paper feed roller pressure adjusting lever to the upper position.
Remove the front cover, the main board, the image processing board.
Remove the master feed unit,
Align the lower adjusting plate notch with the center notch of the link [D] and
tighten the screw [E].
Hook a tension gauge (500-gram range) to the paper feed roller shaft [F] and
insert a test sheet between the paper feed roller and the sheets of paper.
Then hook a tension gauge (100-gram range) to the test sheet and apply a
100-gram load. In the above condition, gradually pull up the tension gauge
hooked to the shaft and make sure that the test sheet can be pulled out
when the tension gauge shows 250 * 5 grams.
If not, adjust the pressure by moving the mounting position of the shaft [G].
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