FUJITSU IMAGE SCANNER M3092DC - Manual (Page 58)

4-10 M3092DC Image Scanner Operation Guide
4) When mounting a new pad unit, push the pick arm downward with
one hand while mounting the pad unit with the other hand.
Check that the pad unit is mounted completely.
If the pad unit is not mounted correctly, a
document feeding error such as a paper jam
may occur.
4.4.3 Procedure for Replacing the Pick Roller Unit
Replace the pick roller unit through the following procedure:
1) Remove any documents from the document support.
2) Open the automatic document feeder by pulling it toward you while
raising the cover open lever.
3) Remove the document support.
4) Remove the pick roller unit.
Press the paw of the pick roller unit inward, hold the knob, and raise
the pick roller while turning it (in the arrow direction).