Sharp SF-2530 Operation Manual page 80

20-BIN STAPLE SORTER (SF-S56)
78
Insert the staple box into the stapler unit until it clicks in
5
place.
6 Close the stapler cover.
Following the stapling procedure on page 72, staple a
7
copy to check that the stapler works properly.
If it does not, repeat this procedure until it does.