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If the air filter becomes clogged by dust or the like, internal temperatures rise and could
cause a fire, a burn and/or malfunction to the projector. When the indicators or a message
prompts you to clean the air filter, clean the air filter as soon as possible.
Please check and clean the air filter periodically, even if there is no message.Please replace
the air filter when it is damaged or too soiled. Preparation of a new air filter is recommended.
To prepare a new air filter, contact your dealer and tell the air filter type number.
And also when you replace the lamp, please replace the air filter. An air filter of speci-
fied type will come together with a replacement lamp for this projector.
1.
Turn the projector off, and unplug the power cord. Allow the lamp to cool for at
least 45 minutes.
2.
Disconnect all the connectors and adapters that were connected to the projector’s
ports. Then slowly turn the projector so that the lens-side is facing up. Please be
careful for a projector not to fall. While the projector is placed lens-side up, hold the
projector.
3.
Remove the filter cover and the air filter. Hold the knobs while pulling out it.
4.
Apply a vacuum cleaner to the vent of the projector for the air filter. And then
slowly turn the projector bottom up.
Maintenance
Usual filter cover
Filter cover’s
knobs
Filter cover’s
knobs
Air filter’s
knob
Air filter
Filter cover for bottom-up use
WARNING ►Before caring, make sure the power switch is off and the power
cable is not plugged in, then allow the projector to cool sufficiently. The care in a
high temperature state of the projector could cause an electric shock, a burn and/or
malfunction to the projector.
►
Use only the air filter of the specified type. Do not use the projector with the air filter
and the filter cover removed. It could result in a fire and/or malfunction to the projector.
►The air filter should be cleaned periodically. If the air filter becomes clogged by
dust or the like, internal temperatures rise and could cause a fire, a burn and/or
malfunction to the projector.
NOTE • Please replace the air filter when it is damaged or too soiled, and also
when you replace the lamp.
• Please reset the filter time only when you have cleaned or replaced the air filter,
for a suitable indication about the air filter.
• The projector may display the message such as “CHECK THE AIR FLOW” or turn
off the projector, to prevent the internal heat level rising.
44ViewSonic PJ452