Epson PowerLite 7850p User Manual page 171

4. Turn the projector over and remove the air filters at the side and
bottom of the projector.
Slide the filter up
here . . .
5. Insert the two new air filters. They should click into place.
6. Insert the screwdriver supplied with the spare lamp, or another
flat-tipped screwdriver, into the space beside the air vent. Gently
slide the lamp cover off.
Insert the screwdriver here
1
. . .and here
Maintaining the Projector
171