Open door J.
Remove 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 J.
Remove the paper that is stuck in the staple finisher bin to continue stapling and printing.
Remove the paper that is stuck in the indicated areas found in door J to continue printing.