Oki ES9476 MFP Hardware Troubleshooting Manual page 79

1.TROUBLESHOOTING FOR THE HARDWARE
6 Press down the transparent cover of the cartridge.
Press it down until it clicks.
Pull out straight the seal bundling the staples.
7
Fit the staple cartridge.
8
Insert the cartridge until it is caught by the latch of the staple cartridge and is fixed with a click.
Return the Saddle Stitch unit to its original position. Close the front cover of the finisher.
9
Refilling With Staples 79