FUJITSU C150-E140-03EN - Manual (Page 56)

4-8 M3091DC Image Scanner Operation Guide
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 pad unit.
Step 1: Push the pick arm in the automatic document feeder in the
arrow direction.
Step 2: Pull out the pad unit by using such as a ballpoint pen at
both ends (a and b) of the pad unit.
4) When mounting a new pad unit, push the pick arm downward with
one hand while mounting the pad unit with the other hand.