Oki ES3640MFP Component Replacement Manual page 82

Waste Toner Container Detect Switch
An actuator on the back of the Front Door penetrates the Waste Toner Container to activate a switch
mounted in a sensor housing attached to the frame.
1.
Open the Top Cover.
2. Remove the
3.
Disconnect connector from the HVPS
4.
Open the Front Door.
5. Remove the Waste Toner Container if installed.
6.
Release 1 tab at the top of the sensor housing to release the housing from the frame.
7. Spread the 2 hooks that secure the Waste Toner Container Detect Switch to the sensor housing. Use care not to
damage the spring.
8.
Release the harness and remove the switch from the cover.
Replacement Note:
Route the switch wiring through the guides provided in the sensor housing. Make certain no
wiring contacts the Waste Toner Reservoir Auger drive.
HVPS Cover.