56
Maintenance
Lamp
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the pictures darker or the color tone poor. Note that each lamp has a different 
lifetime, and some may burst or burn out soon after you start using them.
Preparation of a new lamp and early replacement are recommended. To prepare 
a new lamp, contact your dealer and tell the lamp type number.
Type number = 78-6969-9893-5
Replacing the lamp
1.
Turn the projector off, and unplug the power cord. 
Allow the projector to cool for at least 45 minutes.
2.
Prepare a new lamp. 
If the projector is mounted on a ceiling, or if the lamp 
has broken, also ask the dealer to replace the lamp.
In case of replacement by yourself,
3.
Loosen the screw (marked by arrow) of the lamp door 
and then slide the lamp door to the side to remove it.
4.
Loosen the 3 screws (marked by arrow) of the 
lamp, and slowly pick up the lamp by the handles.
5.
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3 screws of the lamp that are loosened in the 
previous process to lock it in place.
6.
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the screw of the lamp door.
7.
Turn the projector on and reset the lamp time 
using the LAMP TIME item in the OPTION menu
(
43)
.
(1) Press the MENU button to display a menu. 
(2) Point at the “Go to Advanced Menu …” in the menu 
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(3) Point at the “OPTION” in the left column of the 
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button.
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dialog will appear.
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lamp time.
Maintenance
NOTE  • Please reset the lamp time only when you have replaced the lamp, 
for a suitable indication about the lamp.
The lamp door
The handles
3M™ Digital Projector X90
© 3M 2007.  All Rights Reserved.