76 Maintaining the Projector
4. With the front of the air filter facing down, tap it four or five
times to shake off the dust. Turn it over and tap the other side in
the same way to shake off the dust.
5. To clean any dust remaining on the air filter, use a small vacuum
cleaner designed for computer and other office equipment to
clean the front. If you don’t have one, gently clean the vent with a
soft brush (such as an artist’s paintbrush).
6. Insert the air filter back into the holes in the cover, then press it
firmly into place.
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