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Maintenance/replacement
ENGLISH - 99
Maintenance
Maintenance/replacement
Before maintaining/replacing the unit
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Make sure to turn off the power before maintaining or replacing the unit. (
pages 35, 38)
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When turning off the power, make sure to follow the procedures in “Switching off the projector” (
page 38).
Maintenance
Outer case
Wipe off dirt and dust with a soft, dry cloth.
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If the dirt is persistent, soak the cloth with water and wring it thoroughly before wiping. Dry off the projector
with a dry cloth.
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Do not use benzene, thinner, or rubbing alcohol, other solvents, or household cleaners. Using them may
cause deterioration of the outer case.
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When using chemical treated dusters, follow the instructions.
Lens
If dirt or dust accumulates on the surface of the lens, it will be enlarged and projected onto the screen.
Wipe off dirt and dust off the front surface of the lens with a soft clean cloth.
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Do not use a cloth that is uffy, dusty, or soaked with oil/water.
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Do not use excessive force when wiping the lens as it is fragile.
Attention
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The lens is made of glass. Impacts or excessive force when wiping may scratch its surface. Please handle with
care.
Air lter unit
If too much dust accumulates in the air lter unit, the internal temperature of the projector cannot be
maintained at the normal level. A conrmation message is displayed on the screen, and at the same time
the temperature indicator <TEMP> illuminates red. The power is cut off automatically after a while. In such a
case, clean the air lter unit.
1) Remove the air lter cover.
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Use a Phillips screwdriver to turn the air lter cover xing screw until it turns freely, and then remove the air
lter cover.
Air filter cover fixing screw
Air filter cover