Fujitsu C150-E140-03EN Operation Manual page 56

1) Remove any documents from the document support.
2) Open the automatic document feeder by pulling it toward you while
3) Remove the pad unit.
4) When mounting a new pad unit, push the pick arm downward with
4-8
raising the cover open lever.
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.
one hand while mounting the pad unit with the other hand.
M3091DC Image Scanner Operation Guide