Sharp MX-3610N User Manual page 64

Gently push the box back
in.
While pressing the lever
over to the left, slide the
finisher to the left until it
stops.
Gently slide the finisher until it stops.
Close the cover.
Saddle finisher installed
< 4 steps in all >
Open the front cover.
Pull out the punch waste
box and discard the punch
waste.
Discard the punch waste in a plastic bag
or other container, taking care not to let
the waste scatter.