User`s guide

Maintenance and Transportation 75
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
caution
Do not tap the air filter too
hard, or tap the catch or tab
s
on the air filter, or you may
permanently damage them.
Tab on front side of
air filter