Oki ES3640MFP Component Replacement Manual page 81

10. Remove 2 (metal, 6 mm) screws that secure the Control Panel mounting.
11. Remove the switch by pulling the Control Panel mount away from the frame, and then shift the switch holder first
to the right, then down.
12. Feed the wiring through to the front to remove the switch.
13.
Spread the 2 hooks that secure the switch to the holder.
14.
Release the harness and remove the switch from the cover.
Replacement Note:
Route the sensor wiring through the guides provided in the sensor housing. Make certain no
wiring contacts the Waste Toner Reservoir auger drive.