Sharp DM-3551 Operation Manual page 251

Checking the staple unit
If the message "CHECK THE STAPLER UNIT" or "CHECK STAPLER POSITION OR STAPLER JAM" appears, follow
the procedure below.
1
Open the finisher compiler.
2
Remove the misfed paper from the stapler
compiler.
3
Close the finisher compiler.
4
Open the finisher front cover.
5
Turn the staple unit to face up.
6
Pull the release lever for the staple box and
remove the box.
Release the latch to open
the finisher compiler.
Be careful not to tear the
misfed paper during
removal.
7
Raise the lever at the end of the staple box.
8
Return the lever to its original position.
9
Reinstall the staple box.
10
While pushing the staple unit release lever
to the left, rotate the staple unit to face
down.
11
Close the front cover.
NOTE
Make a test print or copy in the staple sort mode
to ensure that stapling is performed properly.
FINISHER
Remove the top staple if
it is bent. If bent staples
remain, a staple jam will
occur again.
Push the staple box in
until it clicks into place.
5
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