6 Remove the staples that protrude from the staple cartridge.
7 Close the lever at the back of the staple cartridge. Be sure that it snaps into place.
8 Reinsert the staple cartridge into the staple-cartridge holder, and push down on the green handle
until it snaps into place.
9 Close the staple-cartridge cover, and slide the stapler/stacker into the MFP.
Jams 355