HP LaserJet M5025 Multifunction Printer series - Manual (Page 218)

4. Lift up on the small lever at the back of the staple cartridge.
5. Remove the staples that protrude from the staple cartridge.
6. Close the lever at the back of the staple cartridge. Be sure that it snaps into place.
7. Insert the staple cartridge into the opening inside the stapler door and then press the green handle
down.
206 Chapter 11 Problem solving ENWW