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EN-42
Accessory air-fi lter unit
An accessory air-fi lter unit is supplied with this projector in order to keep dust out more effectively. When using the
projector in a dusty place, replace the air fi lter (fi lter cover) attached at the factory with this accessory air-fi lter unit.
• When using the accessory air-fi lter unit with the projector installed on the fl oor, provide a clearance of at least 10
mm between the fi lter and the fl oor using boards or the like as spacers.
• When using the accessory air-fi lter unit with the projector installed on the ceiling, attach the ceiling mount in such
a way as to provide a clearance of at least 10 mm between the fi lter and the ceiling mount. (Use the accessory
spacers and screws, if necessary.)
Attaching the accessory air-fi lter unit
Before installing this accessory air-fi lter unit to the projector, be
sure to turn off the main power switch and unplug the projector
from the outlet.
• Remove the air-fi lter (fi lter cover) attached at the factory fi rst. (See
page 41.)
1. Slide the accessory air-fi lter unit in the direction of the arrow.
• Don’t use any other accessory air-fi lter units than that designed for
this projector.
Cleaning the air-fi lter
Warning:
Never use fl ammable air duster or other materials when cleaning the accessory air-fi lter unit. Flammable substances
may ignite causing fi re or breakdown when the lamp is illuminated.
Before cleaning, be sure to turn off the main power switch and
unplug the projector from the outlet.
• Clean the air-fi lter frequently (at least once a month). When dust
accumulates on the fi lter at the air inlet, the temperature inside
the projector may rise abnormally high, causing damage to the
internal parts and reducing the lifetime of the panel.
• In case of any abnormality including an abnormal rise of the inside
temperature, the projector may automatically turn off and go into
the standby mode where the light source lamp is turned off in
order to protect its internal parts.
1. Remove the accessory air-fi lter unit from the projector.
• While holding the tab to the inside, pull out the unit in the
arrow’s direction.
2. Remove the air-fi lter from the cover.
(1) Remove the holder by pushing the tab of the holder on the air-
fi lter in the direction of the arrow.
(2) Remove the air-fi lter (white) and air-fi lter (gray).
3. Clean dirt and dust adhering to the air-fi lter using a vacuum.
• For the air-fi lter (white)
If stubborn stains persist, wash the air-fi lter with water
and dry well in the shade.
• For the air-fi lter (gray)
If stubborn stains persist, wash the air-fi lter with diluted
detergent, rinse with water, and dry well.
4. Attach the air-fi lter to the cover.
(1) Attach the air-fi lter (gray) and air-fi lter (white) to the cover,
aligning their notches with that of the cover.
(2) Insert the left tabs of the holder to the cover and push the right
tab in the direction of the arrow to attach the cover.
5. Attach the accessory air-fi lter unit to the projector.
• Slide the accessory air-fi lter unit in the direction of the arrow.
Holder
Holder
Cover
Air-fi lter (gray)
Air-fi lter (white)
Accessory air-fi lter unit
Tab
Accessory air-fi lter unit
Accessory air-fi lter unit