Chapter 5 Maintenance — Maintenance/replacement
164 - ENGLISH
Maintenance/replacement
Before performing maintenance/replacement
f Make sure to turn off the power before performing maintenance/replacement. (x pages 55, 61)
f When switching off the projector, make sure to follow the procedures in “Switching off the projector”
(x page 61).
Maintenance
Outer case
Wipe off dirt and dust with a soft, dry cloth.
f If the dirt is persistent, soak the cloth with water and wring it thoroughly before wiping. Dry off the projector with
a dry cloth.
f Do not use benzene, thinner, or rubbing alcohol, other solvents, or household cleaners. Doing so may
deteriorate the outer case.
f When using chemically treated dust cloths, follow the instructions written on its packaging.
Lens front surface
Wipe off dirt and dust from the front surface of the lens with a soft clean cloth.
f Do not use a cloth that is uffy, dusty, or soaked with oil/water.
f Since the lens is fragile, do not use excessive force when wiping the lens.
Attention
f The lens is made of glass. Impacts or excessive force when wiping may scratch its surface. Handle with care.
Air lter
Perform maintenance of the air lter in the following case.
f The air lter is clogged with dust, causing the lter replacement message to appear on the screen and the lter
indicator <FILTER> to light in red.
Removing the air lter
(a)
Lamp unit cover
Lamp unit cover fixing screw
Fig. 1
Air filter
Fig. 2 Fig. 3
Air filter case
Air filter
1) Remove the lamp unit cover. (Fig. 1)
f Use a Phillips screwdriver to turn the lamp unit cover xing screw (x1) counterclockwise until it turns freely,
and open the lamp unit cover slowly in the direction of the arrow.
f Opening the lamp unit cover quickly may damage the cover.
f If you loosen the lamp unit cover xing screw with the projector installed upward in the vertical direction, the
lamp unit cover may open on its weight and may be dropped off.
2) Pull out the air filter case. (Fig. 2)
f Pull out the air lter case from the projector.
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