HP xb31 - Manual (Page 32)

32
Changing the lamp module
Your projector will monitor the lamp’s elapsed operating time, or “lamp
hours.” After 1000 lamp hours, the projector will display the following
message at start-up:
“The lamp has been in use for over 1000 hours.
You may consider purchasing a spare bulb.”
After 1500 lamp hours, the projector will display the following message at
start-up:
“The lamp has been in use for over 1500 hours.
You should purchase a spare bulb.”
NOTE: The projector’s bulb contains mercury. It may require special handling
at end-of-life.
Procedure:
1. If the projector has been in use -
• Turn the power OFF by pressing the Power ON/OFF button.
• Allow the projector to cool down for at least 30 minutes.
• Disconnect the power cord.
2. Use screwdriver to remove the two screws from the cover.

3. Remove the cover. 
4. xb31: Remove the two screws from the lamp module. 
sb21: Remove the three screws from the lamp module. 
5. Use the lamp module’s hinged handle to remove the lamp module. 
Reverse these steps to install the replacement lamp module. 
6. Insure that the lamp module door is securely attached and flush with the
unit. The unit will not operate with the door incorrectly installed.
7. Reset the “Lamp Hour” monitor from the On Screen Display (OSD)
“Management” menu tab (refer to page 26).
NOTE: If lamp module door is not securely fastened the lamp will not
function.
appendices
xb31 sb21
CAUTION!
AVOID BURN HAZARD.
The lamp gets hot during
normal operation. Allow it to
cool down for 30 minutes
before changing lamp!
CAUTION!
CUT HAZARD.
If the bulb is broken, use
caution to avoid injury.
WARNING!
MERCURY HAZARD. This
projector’s bulb contains a
small amount of mercury.
If the lamp breaks,
adequately ventilate the
area where the breakage
occurred. The projector
bulb may require special
handling and disposal at
end-of-life.