Open door G.
Pull out the staple cartridge holder.
Open the staple guard, and then remove the loose staples.
Note: Do not insert the staples that came out of the cartridge.
Close the staple guard.
Insert the staple cartridge holder.
Close door G.
Remove the paper that is stuck in the fuser or duplex unit to continue printing.
Continue to enjoy automatic stapling of documents as you print. Change the staple cartridge when you are prompted to.