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Maintenance/replacement
Before performing maintenance/replacement
f When you perform maintenance or replacement of the parts, make sure to turn off the power and disconnect the power plug
Æ
from the wall outlet. (
pages 45, 41)
f Be sure to observe the procedure "Powering Off the projector" (x page 45) when performing power supply operation.
Maintenance
Outer Case
Wipe off dirt and dust using 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. Using them may cause deterioration
of the outer case.
f When using chemical treated dusters, follow its instruction.
Front glass surface of the lens
Wipe off the dirt and dust off the front surface of the lens with soft clean cloth.
f Do not use a cloth that has an abrasive surface or a cloth that is moist, oily or covered with dust.
f Do not use excessive force when wiping the lens as it is fragile.
f Do not use benzene, thinner or rubbing alcohol, other solvents or household cleaners. Using them may cause deterioration
of the lens.
Attention
f The lens is made of glass. Impacts or excessive force when wiping may scratch its surface.
Please handle with care.
Replacing the unit
Air filter unit
The air filter prevents dust from accumulating on the optical elements inside the projector. Should the air filter become clogged
with dust particles, it will reduce cooling fans' effectiveness and may result in internal heat buildup and adversely affect the life
of the projector.
If the air filter unit become clogged, it will result in internal heat buildup, the power of the projector may be turned off for safety.
If a warning message appears on the screen, replace the air filter immediately.
Consult your dealer to purchase a replacement air filter unit (ET-RFV300).
Removing the air filter unit
Fig.1
1)
Remove the air filter cover. (Fig.1)
f Open the air filter cover in the direction of the arrow and remove it.
2)
Remove the air filter unit.
f Hold the tab of the air filter unit and pull out in the direction of the arrow. (Fig.2)
f After removing the air filter unit, remove foreign objects and dust from the air filter compartment and the projector's air
intake port if there are any.
126 - ENGLISH
Chapter 6 Maintenance - Maintenance/replacement
Air filter cover
Air filter unit
Tab
Fig.2
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