Oki ES9476 MFP Hardware Troubleshooting Manual page 85

1.TROUBLESHOOTING FOR THE HARDWARE
2 While holding the green lever, move the finisher to the left until it stops.
3 Open the Hole Punch Unit while pushing the green lever.
4 After moving the hole punch dust bin to the left, pull it toward you.
Dispose of the paper punchings.
5
Push back in the hole punch dust bin.
6
Cleaning the Hole Punch Dust Bin 85