E-55

Maintenance

2Loosen the lamp unit retaining screws.
Loosen the lamp unit screws. (2 pieces)
3Draw out the lamp unit.
Hold the handle and lift the lamp unit upward.
4Install a new lamp unit.
qHold the lamp unit and push it in.
wMake sure that the two positioning protrusions fit
properly into the holes.
eTighten the two lamp unit retaining screws.
rAlign the three tabs on the lamp unit cover with the
slots on the projector to attach it. Then tighten the
two lamp unit cover retaining screws.
5Reset the lamp usage time.
Perform the following in the standby state.
Press the
VIDEO
,
PC1/PC2
and
OHP
buttons once in that order with
the
MENU
button held down.
The LAMP/COVER LED then blinks green.
CAUTION
Do not reset the lamp usage time without replacing the lamp.
The probability of a lamp explosion increases if the
cumulative usage time of the lamp is more than 1500 hours.
6Verify that the display of lamp usage time

in the Lamp Setting menu is “0H” as

shown to the left.

If the lamp usage time is not reset, reset it by repeating
step 5.
CAUTION
Be sure to reset the lamp usage time after replacing the
lamp. Otherwise, the correct usage time cannot be known.
When the display exceeds 1500 hours, the power to the lamp
is forcibly turned off regardless of the lamp’s life.
NOTE
As a safety precaution, the lamp does not turn on unless the lamp unit cover is installed.
The lamp unit sold separately comes with an air filter as part of the lamp kit. When replacing the lamp unit, be
sure to replace the air filter as well. (See page E-56.)
The lamp can be disposed as a regular household fluorescent light, follow the disposal procedure recommended
by the local government.
q
e
w
OHP
MENU
PC1/PC2 VIDEO
Standard Return
Setting 1
Auto power off ON / OFF
Start-up display ON / OFF
Economy mode ON / OFF
Lamp usage time
Input signal
0H
1024 x 768 / 48.6KHz 60H