❹ Replacing The Lamp And The Filters - NEC PX750U2 User Manual

❹ Replacing the Lamp and the Filters
When the lamp reaches the end of its life, the LAMP indicator in the cabinet will blink red and the message "THE LAMP
HAS REACHED THE END OF ITS USABLE LIFE. PLEASE REPLACE THE LAMP 1 (OR 2). USE THE SPECIFIED
LAMP FOR SAFETY AND PERFORMANCE." will appear (*). Even though the lamp may still be working, replace the
lamp to maintain the optimal projector performance. After replacing the lamp, be sure to clear the lamp hour meter.
(→ page 137)
CAUTION
• DO NOT TOUCH THE LAMP immediately after it has been used. It will be extremely hot. Turn the projector off
and then disconnect the power cord. Allow at least one hour for the lamp to cool before handling.
• Use the specified lamp for safety and performance.
• DO NOT REMOVE ANY SCREWS except two (2) lamp cover screw and three (3) lamp housing screws.You could
receive an electric shock.
• Do not break the glass on the lamp housing.
Keep finger prints off the glass surface on the lamp housing. Leaving finger prints on the glass surface might cause
an unwanted shadow and poor picture quality.
• The projector will turn off and go into standby mode when you continue to use the projector for another 100 hours
after the lamp has reached the end of its life. If this happens, be sure to replace the lamp. If you continue to use
the lamp after the lamp reaches the end of its life, the lamp bulb may shatter, and pieces of glass may be scattered
in the lamp case. Do not touch them as the pieces of glass may cause injury. If this happens, contact your NEC
dealer for lamp replacement.
*NOTE: This message will be displayed under the following conditions:
• for one minute after the projector has been powered on
• when the (POWER) button on the projector cabinet or the POWER OFF button on the remote control is pressed
To turn off the message, press any button on the projector cabinet or the remote control.
Optional lamp and tools needed for replacement:
• Phillips screwdriver (plus-head)
• Replacement lamp:
NP22LP
Flow of Replacing the Lamp and the Filters
The following procedure is an example for replacing both lamps.
Step 1.
Replace the lamp
Step 2.
Replace the filters (→ page 185)
Step 3.
Clear the lamp usage hours and the filter usage hours (→ page 137, 138)
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7. Maintenance