HP LaserJet M4349 Multifunction Printer series - Manual (Page 109)

3. Grasp the green staple-cartridge handle and pull the old staple cartridge out of the stapler unit.
4. Insert the new staple cartridge into the stapler unit and push down on the green handle until the
unit snaps into place.
5. Close the staple-cartridge cover, and slide the stapler/stacker into the MFP.
ENWW Use the stapler 95