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Air filter cleaning
The air filter prevents dust and debris from getting inside the projector. Never run the pro-
jector with the filter removed. It is recommended that you clean the air filter regularly.
• The message “
Check the air filter for dirt.” is displayed every 100 hours. (Once the
usage time exceeds 100 hours, the message is displayed for about 30 seconds the first
time the power is turned on and an image is displayed. The message will disappear with
any operation.)
• Check the filter and if any debris is found, use the following cleaning procedure.
WARNING
• Request cleaning and maintenance of a ceiling-mounted unit from your sales
representative.
Attempting to clean or replace the filter in a high location by yourself may cause you
to fall, resulting in injury.
1
Unplug power cord.
2
Remove the air filter.
Pull out the air filter by holding the release knob
with your fingers as shown in the figure.
3
Clean the filter.
Carefully remove the dust and dirt from the air filter
with a vacuum cleaner or the like.
4
Replace the air filter.
Insert the air filter firmly until you hear a click.
Notes
• When dirt and dust build up in the air filter, the air circulation inside the projector is
affected and the internal temperature will rise, causing the projector to stop working or
malfunction.
• Push the air filter fully in. If the projector is used with the air filter only partially inserted,
dust and dirt will enter the interior and this could cause the projector to stop working or
break down.
• If you wash the air filer with water, make sure you dry it thoroughly before replacing it.
• If the air filter becomes damaged, replace it. Contact your sales representative for a new
filter. If you continue to use the projector when its filter is damaged, dust and dirt will enter
the interior and this could cause the projector to stop working or break down.