Sharp AR-C250 Operation Manual page 126

20-BIN STAPLE SORTER (AR-SS2)
7-12
Insert the staple box into the stapler unit until it clicks in
5
place.
Close the stapler cover.
6
Following the stapling procedure on page 7-8, staple a
7
copy to check that the stapler works properly.
If it does not, repeat this procedure until it does.