Chapter 6
Maintenance
—
Maintenance
2
8
0
- ENGLISH
Maintenance
Before maintenance
f
Make sure to turn off the po
w
er before perfor
m
ing the
m
aintenance of the projector.
f
When s
w
itching off the projector,
m
ake sure to follo
w
the procedures in “S
w
itching off the projector
”
(
x
page 76
)
.
Maintenance
Outer case
Wipe off dirt and dust
w
ith a soft, dry cloth.
f
If the dirt is persistent, soak the cloth
w
ith
w
ater and
w
ring it thoroughly before
w
iping. Dry off the projector
w
ith
a dry cloth.
f
Do not use benzene, thinner, or rubbing alcohol, other sol
v
ents, or household cleaners. Doing so
m
ay
deteriorate the outer case.
f
When using che
m
ically treated dust cloths, follo
w
the instructions
w
ritten on its packaging.
Lens front surface
Wipe off dirt and dust fro
m
the front surface of the lens
w
ith a soft clean cloth.
f
Do not use a cloth that is
fl
uffy, dusty, or soaked
w
ith oil
/w
ater.
f
Since the lens is fragile, do not use excessi
v
e force
w
hen
w
iping the lens.
Attention
f
The lens
m
ay beco
m
e da
m
aged by hitting
w
ith a hard object or by
w
iping the front surface of the lens
w
ith excessi
v
e force. Handle
w
ith
care.
Note
f
Dust
m
ay accu
m
ulate around the intake
v
ent depending on the en
v
iron
m
ent and operating condition
w
hen used in an en
v
iron
m
ent
w
ith
excessi
v
e dust. This
m
ay ad
v
ersely affect the
v
entilation, cooling, and heat dissipation inside the projector, thus causing reduced brightness.