Lexmark XM7370
Depending on the staple jam location, open either door F or door G.
Remove the staple cartridge holder.
Remove the loose staples.
Press the staples against the metal bracket.
Note: If the staples are at the rear of the cartridge, then shake the cartridge downward to bring the staples near the metal bracket.
Insert the staple cartridge holder until it clicks into place.
Close the door.
Remove paper that is stuck in the staple, hole punch finisher.
Add this option to your printer to enable unattended printing, including automatic stapling and hole punching.