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• An air filter is torn or damaged.
You can replace an air filter while the projector is mounted to the ceiling or placed on a table.
Note: The projector has one air filter on the front and two on the sides. The illustrations here show
replacing the air filter on the front, but the steps are the same to replace the filters on the side.
1. Turn off the projector, wait for the projector to beep, and unplug the power cord.
2. Loosen the screw securing the air filter cover.