Oki ES9476 MFP Hardware Troubleshooting Manual page 64

1.TROUBLESHOOTING FOR THE HARDWARE
9 Fit the staple cartridge into the stapler.
Insert the cartridge until it is caught by the latch and fixed with a click.
Return the Hole Punch Unit to its original position.
10
Carefully return the finisher to its original position.
11
Do not put your hand or fingers on the top of the finisher when closing it.
They could be caught and this could injure you.
Close the front cover of the finisher.
12
64 Clearing a Staple Jam