Epson PowerLite 800F 5000-Lumen Pixel-Shift Full HD Ultra-Short Throw Laser 3LCD Projector (White) - Manual (Page 245)

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3. Open the air filter cover.
4. Pull the air filter out of the projector.
5. Tap each side of the filter 4 to 5 times to shake off any excess dust. Do this outside the room or
away from the projector.
Caution: Do not use excessive force when tapping the air filter, or it may crack and become
unusable. Do not rinse the air filter in water, or use any detergent or solvent to clean it. Do not use
canned air; the gases may leave a flammable residue, or push dust and debris into the projector's
optics or other sensitive areas.