2. Gently remove the dust using a small vacuum designed for computers or a very soft brush (such as
a paintbrush).
Note: You can remove the air filter so you can clean both sides of it.
3. If dust is difficult to remove or the air filter is damaged, replace the air filter.
Parent topic: Air Filter and Vent Maintenance
Replacing the Air Filter
You need to replace the air filter in the following situations:
• After cleaning the air filter, you see a message telling you to clean or replace it
• The air filter is torn or damaged
You can replace the air filter while the projector is mounted to the ceiling, if necessary. The illustrations
below show the projector placed on a table.
1. Turn off the projector and uplug the power cord.
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