Cleaning the Air Vents
Clean the projector's air vents if they get dusty, or if you see a message telling you to clean them.
Turn off the projector and unplug the power cord.
Gently remove the dust using a small vacuum designed for computers or a very soft brush (such as a paintbrush).
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.
Turning Off the Projector
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