HP LaserJet M4345 Multifunction Printer series - Manual (Page 218)

5. Lift up on the small lever at the back of the staple cartridge.
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 device.
206 Chapter 11 Problem solving ENWW