70
- ENGLISH
Maintenance
Replacement
Before replacing the unit
When you perform maintenance or replacement of the parts, make sure to turn off the power and disconnect
z
the power plug from the wall outlet. (
Æ
pages 28, 30)
Be sure to observe the procedure “Powering off the projector” (
z
Æ
page 30) when performing power supply
operation.
Maintenance
Outer Case
J
Wipe off dirt and dust using a soft dry cloth.
If the dirt is persistent, soak the cloth with water and wring it thoroughly before wiping. Dry off the projector
z
with a dry cloth.
Do not use benzene, thinner, or rubbing alcohol, other solvents, household cleaners, or chemical treated
z
dusters. Using them may cause deterioration of the outer case.
Front glass surface of the lens
J
Wipe off the dirt and dust off the front surface of the lens with soft clean cloth.
Do not use a cloth that has an abrasive surface or a cloth that is moist, oily, or covered with dust.
z
Do not use excessive force when wiping the lens as it is fragile.
z
Attention
The lens is made of glass. Impacts or excessive force when wiping may scratch its surface.
z
Please handle with care.
J
Air lter
Perform the maintenance of the air lter unit in following cases.
The lter mesh is blocked, causing the lter replacement message to appear on the screen and the <FILTER
z
Indicator> to light in red.
The lter mesh is blocked, causing the internal temperature to rise, the <TEMP Indicator> to light, and the
z
power to shut off. (When the power is shut off, the <TEMP Indicator> blinks in red and the <FILTER Indicator>
blinks faster than usual.)
Use a Phillips screwdriver to loosen 1 )
the air lter cover screw until it turns
freely. Then, remove the air lter cover
Remove the air lter unit 2 )
Hold the knobs on the front of the unit and pull
z
the unit towards you.
Clean and dry the air lter unit3 )
Cleaning the air lter unit
z
(1) Soak the air lter unit in the water (cold or
warm) and rinse lightly.
Do not use brushes or other cleaning tools.
•
When you rinse the air lter unit, hold the
•
frame of the air lter unit and do not apply
excessive force to the lter portion.
(2) Rinse the lters two or three times, changing
the water each time.
Insufcient rinsing may result in odors.
•
Air lter cover screw
Air lter cover
Knobs
Air lter unit