Ricoh C211 Service Manual page 564

5. Adjusting The Thermal Head : SS830
Purpose :
To ensure correct master feed so that the image does not become wrinkled
or
Method : 1.
2.
3.
4.
skewed.
Tighten the locking screws [A] of the platen roller.
Remove the front cover of the machine.
Loosen the mounting plate screw [B] and raise the thermal head mounting
plate to the platen roller so that equal pressure is applied on both ends. Then,
retighten the mounting plate screw. (The mounting plate screw is accessed
through a hole in the side plate.)
* Cut about a 30 millimeters wide strip from the master roll to make a
test sheet. Insert the test sheet between the platen roller [D] and the
thermal head [C]. Confirm that it requires the same amount of force
to draw out the test sheet from both ends.
After adjusting, confirm that the master is fed correctly without becoming
wrinkled or skewed.
Note:
When moving the mounting plate [E].
* If the image on the operation side is lighter, raise the
mounting plate.
* If the image on the non-operation side is lighter, lower the
mounting plate.
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