Sharp AR-507 - Manual (Page 127)

7-13
CHAPTER
7
7 Return the lever to its original position.
8 Insert the staple box into the stapler unit until it clicks in
place.
9 Lower the lock lever and return the stapler unit to face
down. Push the stapler unit until it locks.
10 Push the finisher toward the copier and latch it in place.
OPTIONAL EQUIPMENT
Finisher (AR-FN3)
FINISHER (AR-FN3)