Oki ES9476 MFP Hardware Troubleshooting Manual page 73

1.TROUBLESHOOTING FOR THE HARDWARE
4 Take the new waste toner box out of the carton.
5 Put the used waste toner box in the plastic bag and seal it with adhesive tape.
6 Clean the slit glass.
Perform steps 5 to 9 on  P.80 "The Main Chargers and Slit Glass".
Push the new waste toner box securely until the upper latches click.
7
Close the front cover pressing both edges.
8
Replacing the Waste Toner Box 73