Chapter 6
Maintenance — Maintenance/replacement
138 - ENGLISH
Maintenance/replacement
Before performing maintenance/replacement
f
Make sure to turn off the power before maintaining the projector or replacing the unit. (
x
page 50)
f
When switching off the projector, make sure to follow the procedures in “Switching off the projector”
(
x
page 50).
Maintenance
Outer case
Wipe off dirt and dust with a soft, dry cloth.
g
If the dirt is persistent, soak the cloth with water and wring it thoroughly before wiping. Dry off the projector
with a dry cloth.
g
Do not use benzene, thinner, or rubbing alcohol, other solvents, or household cleaners. Doing so may
deteriorate the outer case.
g
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.
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. Handle with care.
Air lter unit
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.
Attention
f
Make sure that the projector is stable, and perform the maintenance in a safe place where the unit will not be damaged even if you drop the
air lter cover and the air lter unit.
f
After replacing the air lter, reset the lter counter.
Otherwise, “FILTER COUNTER has reached the set time.” will appear on screen.
Removing the air lter unit
Air lter cover
Tabs
Fig. 1
Fig. 2
Air lter unit compartment and
the projector's air intake port
Air lter unit
Knob
1) Turn off the power of the projector and set the <MAIN POWER> switch to <OFF> and disconnect the
power plug from the power outlet.
2) Remove the air filter cover (Fig. 1).
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