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Maintaining the Projector44
Replacing the lamp module
As the projector operates over time, the brightness of the projector lamp gradually decreases
and the lamp becomes more susceptible to breakage. You can install a new lamp at any time
to bring the projector up to factory-fresh brightness. We recommend replacing the lamp if a
warning message is displayed.
WARNING! Replacing the lamp module requires special consideration:
• To reduce the risk of injury, be careful when removing the lamp module as broken glass
might be present. For a ceiling installation, wear goggles and gloves when removing the
lamp module. If the lamp is broken, contact HP about repairs that might be required due to
glass fragments.
• The lamp contains a small amount of mercury. If the lamp breaks, adequately ventilate the
area where the breakage occurred. Disposal of this lamp might be regulated due to
environmental considerations. For disposal or recycling information, contact your local
authorities or the Electronic Industries Alliance at http://www.eiae.org.
• Because the lamp assembly operates at a very high temperature, wait 30 minutes before
removing the lamp module.
1. Turn off the projector and allow it to cool for 30 minutes.
2. Unplug the power cord.
3. Press the release latch
1 on the lamp cover and remove the cover 2.
4. Press the release latch on the lamp connector and unplug the connector 3.