4. Hold the air filter so the front faces downward, then tap it against
a hard surface 4 or 5 times to knock out the dust. Then flip it over
and repeat.
5. Use a small vacuum cleaner designed for computers and other
office equipment to clean any remaining dust from the front of
the air filter. If you don't have one, gently clean it using a very soft
brush (such as an artist's brush). Clean the projector vents the
same way.
You need to replace the air filter if:
Dirt is difficult to remove
■
The filter is torn or damaged
■
■
You receive a message to replace the air filter
You frequently receive messages to clean the air filter
■
Tab on front side of
air filter
caution
Do not tap the air filter too
hard, or tap the catch or tabs
on the air filter, or you may
permanently damage them.
Maintenance and Transportation
75