47
6. Maintenance
This section describes the simple maintenance procedures you should follow to clean the focus sensor, lens and
replace the lamp and the cooling pump.
➊
Cleaning the Lens and Focus Sensor
Cleaning the lens
Use a blower or lens paper to clean the lens, and be careful not to scratch or mar the lens.
Cleaning the focus sensor
Use a blower or lens paper to clean the focus sensor.
Keep fi nger prints off the focus sensor. Leaving fi nger prints in the focus sensor might cause poor focus or short
auto focus range.
➋
Cleaning the Cabinet
1. Turn off the projector before cleaning.
2. Vacuum the ventilation inlet of the cabinet.
LA
MP
ST
AT
US
PO
WE
R
ON/STAND BY
SOURCE
AUT
O
ADJ.
SEL
ECT
FOCU
S
LAM
P
ST
AT
US
PO
WE
R
ON/STAND BY
SOURCE
AU
TO
AD
J.
SELECT
FOCUS
LA
MP
STA
TUS
POW
ER
S-VIDEO IN
VIDEO IN
COMPUTER IN
PC CONTROL
SOURCE
AUTO
ADJ.
SELECT
ON/STAND BY
FOCUS
AC IN
