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112 - ENGLISH
Chapter 5 Maintenance — Maintenance/replacement
Maintenance/replacement
Before maintaining/replacing the unit
rf
Make sure to turn off the power before maintaining or replacing the unit. (
x
pages 41, 43)
rf
When switching off the projector, make sure to follow the procedures in “Switching off the projector” (
x
page 43).
Maintenance
Outer case
Wipe off dirt and dust with a soft, dry cloth.
rf
If the dirt is persistent, soak the cloth with water and wring it thoroughly before wiping. Dry off the projector with a dry cloth.
rf
Do not use benzene, thinner, rubbing alcohol, other solvents, or household cleaners. Doing so may deteriorate the outer case.
rf
When using chemically treated dust cloths, follow the instructions written on its packaging.
Front surface of the lens
Wipe off dirt and dust from the front surface of the lens with a soft clean cloth.
rf
Do not use a cloth that is uffy, dusty, or soaked with oil/water.
rf
Since the lens is fragile, do not use excessive force when wiping the lens.
Attention
rf
The lens is made of glass. Impacts or excessive force when wiping may scratch its surface. Please handle with care.
Air lter unit
Perform maintenance of the air lter unit in the following cases.
rf
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.
Pulling out the air lter unit
1)
Remove the air filter cover.
rf
Use a Phillips screwdriver to turn the air lter cover screw
counterclockwise until it turns freely, and then remove the air
lter cover.
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2)
Pull out the air filter unit.
rf
Grasp the air lter unit tabs and remove the air lter unit from
the projector body.
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Attention
rf
After pulling out the air lter unit, remove any large foreign objects or dust present in the air lter unit compartment and the air intake port of
the projector body.
Cleaning the air lter unit
First pull out the air lter in the procedure described in “Pulling out the air lter unit”.
1)
Clean the air filter unit.
i)
Soak the air filter unit in cold or warm water and then lightly
rinse it.
rg
Do not use cleaning tools such as brushes.
rg
When rinsing, hold the frame of the air lter unit without
putting strong pressure on the lter unit.
ii)
Rinse the unit two to three times using fresh water each time.
rg
Insufcient rinsing may result in odors.
112


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