Oki ES9476 MFP Hardware Troubleshooting Manual page 86

1.TROUBLESHOOTING FOR THE HARDWARE
7 Return the Hole Punch Unit to its original position.
8 Carefully return the finisher to its original position.
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.
9
86 Cleaning the Hole Punch Dust Bin