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Cleaning and Replacing the Dust Filters<br />
When the message shown below is displayed, clean or replace the three dust filters<br />
and then reset the filter timer (see page 55). You must clean or replace all three dust<br />
filters at the same time to synchronize the filter timer.<br />
Clean The Filter.<br />
Cleaning the Dust Filters<br />
Use a vacuum cleaner to clean dust<br />
from the exhaust vent and the intake<br />
vent (bottom, side and rear).<br />
Info<br />
• The dust fi lters should be cleaned every 100<br />
hours of use. Clean the fi lters more often<br />
when the projector is used in a dusty or<br />
smoky location.<br />
• If you want to clean the air vents during<br />
projector operation, ensure you press<br />
STANDBY/ON on the projector or on the<br />
remote control and put the projector into<br />
Standby mode. After the cooling fan has<br />
stopped, clean the vents.<br />
Replacing the Dust Filters<br />
STANDBY/ON<br />
button<br />
Info<br />
• If the fi lters become too dirty to clean<br />
effectively, purchase new ones (Front:<br />
9NK3243073701, Side: 9NK3243073801,<br />
Rear: 9NK3243073601) from your nearest<br />
Sharp Authorized Projector Dealer or Service<br />
Center.<br />
1<br />
Press STANDBY/ON on the<br />
projector or on the remote<br />
control to put the projector into<br />
standby mode.<br />
• Switch the MAIN POWER switch on the<br />
projector to “OFF” after the cooling fan<br />
stops, and then disconnect the power<br />
cord and unplug the power cord from the<br />
AC socket.<br />
MAIN POWER switch<br />
AC socket<br />
62
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