Lenovo C400 사용자 설명서

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Chapter
 
5.
 
Maintenance
 
This
 
chapter
 
provides
 
information
 
on
 
projector
 
maintenance.
 
Cleaning
 
the
 
projector
 
Cleaning
 
the
 
projector
 
to
 
remove
 
dust
 
and
 
grime
 
will
 
help
 
ensure
 
trouble-free
 
operation.
 
v
   
Be
 
sure
 
to
 
turn
 
off
 
and
 
unplug
 
the
 
projector
 
at
 
least
 
1
 
hour
 
before
 
cleaning.
 
Failure
 
to
 
do
 
so
 
could
 
result
 
in
 
a
 
severe
 
burn.
 
v
   
Use
 
only
 
a
 
dampened
 
cloth
 
when
 
cleaning.
 
Do
 
not
 
allow
 
water
 
to
 
enter
 
the
 
ventilation
 
openings
 
on
 
the
 
projector.
 
v
   
If
 
a
 
little
 
water
 
gets
 
into
 
the
 
projector
 
interior
 
while
 
cleaning,
 
leave
 
it
 
unplugged
 
in
 
a
 
well-ventilated
 
room
 
for
 
several
 
hours
 
before
 
using.
 
v
   
If
 
a
 
lot
 
of
 
water
 
gets
 
into
 
the
 
projector
 
interior
 
when
 
cleaning,
 
have
 
the
 
projector
 
serviced.
Cleaning
 
the
 
lens
 
To
 
clean
 
the
 
lens,
 
complete
 
the
 
following
 
procedure:
 
1.
   
Apply
 
a
 
non-abrasive
 
camera
 
lens
 
cleaner
 
to
 
a
 
soft,
 
dry
 
cloth.
 
Note:
  
Avoid
 
using
 
an
 
excessive
 
amount
 
of
 
cleaner,
 
and
 
do
 
not
 
apply
 
the
 
cleaner
 
directly
 
to
 
the
 
lens.
 
Abrasive
 
cleaners,
 
solvents
 
or
 
other
 
harsh
 
chemicals
 
might
 
scratch
 
the
 
lens.
 
2.
   
Lightly
 
wipe
 
the
 
cleaning
 
cloth
 
over
 
the
 
lens
 
in
 
a
 
circular
 
motion.
 
If
 
you
 
do
 
not
 
intend
 
to
 
use
 
the
 
projector
 
immediately,
 
replace
 
the
 
lens
 
cap.
Cleaning
 
the
 
case
 
Follow
 
the
 
steps
 
below
 
to
 
clean
 
the
 
projector
 
case:
 
1.
   
Wipe
 
off
 
dust
 
with
 
a
 
clean
 
dampened
 
cloth.
 
2.
   
Moisten
 
the
 
cloth
 
with
 
warm
 
water
 
and
 
mild
 
detergent
 
(such
 
as
 
dish
 
detergent),
 
and
 
wipe
 
the
 
case.
 
3.
   
Rinse
 
all
 
detergent
 
from
 
the
 
cloth
 
and
 
wipe
 
the
 
case
 
again.
Note:
  
To
 
prevent
 
discoloration
 
or
 
fading
 
of
 
the
 
case,
 
do
 
not
 
use
 
abrasive
 
alcohol-based
 
cleaners.
 
Replacing
 
the
 
projector
 
lamp
 
The
 
projector
 
lamp
 
should
 
only
 
be
 
replaced
 
with
 
an
 
Lenovo
 
certified
 
replacement
 
part,
 
which
 
you
 
can
 
order
 
from
 
your
 
business
 
partner
 
or
 
go
 
to
 
www.lenovo.com/think.
 
To
 
replace
 
the
 
projector
 
lamp,
 
complete
 
the
 
following
 
procedure:
 
1.
   
Turn
 
off
 
the
 
projector,
 
unplug
 
the
 
power
 
cord,
 
and
 
allow
 
the
 
projector
 
to
 
cool
 
for
 
at
 
least
 
1
 
hour.
 
2.
   
Use
 
a
 
Phillips-head
 
screwdriver
 
to
 
remove
 
the
 
screw
 
from
 
the
 
lamp
 
compartment
 
cover
 
as
 
shown
 
in
 
1.
 
3.
   
Remove
 
the
 
lamp
 
compartment
 
cover
 
as
 
shown
 
in
 
2.
 
 
©
 
Lenovo
 
2005.
 
Portions
 
©
 
IBM
 
Corp.
 
2004.
 
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