Oki ES9476 MFP Hardware Troubleshooting Manual page 78

1.TROUBLESHOOTING FOR THE HARDWARE
2 Remove the staple cartridges.
Replace both cartridges at a time.
Press the buttons on both sides of the cartridge.
3
The transparent cover of the cartridge is lifted.
After the transparent cover is lifted, take the empty staple case out of the cartridge.
4
Fit the new staple case into the staple cartridge.
5
Insert it to the rear until it clicks.
In this step, do not remove the seal bundling the staples.
78 Refilling With Staples