Ricoh D124-17 Service Manual page 302

4. Replacement and Adjustment
17. Lay the roll unit on a flat clean surface.
Reinstallation
1. When you install the roll unit at the front, push it to the right so that it locks into place.
2. At the rear, push the roll unit [A] to the left to make sure that it is locked in place.
3. Use a flashlight to check hole [B] on the right (and on the left) to make sure that the holes are
aligned correctly.
4. When you re-install the semi-transparent guide, make sure that the two pins on the left [A] and on
the right [B] are seated correctly on the supports.
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