Infocus LP500 ハードウェアマニュアル

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Cleaning the lamp module dust filter screens 
In dirty or dusty environments, the lamp module dust filter screens can become plugged, causing 
excessively high temperatures inside the lamp module. Excessively high temperatures can cause 
premature lamp failure. Routine maintenance to remove dust and dirt from the filter screens lowers the 
lamp operating temperature and lengthens lamp life. 
This Tech Note describes how to clean the lamp module dust filter screens. Clean them every 200-250 
hours when the projector is used in areas with high levels of airborne contaminants such as lint, dust or 
smoke. 
To remove the lamp door, press the lip on the outside edge of the door until the door slides 
inward. Then swing the door open. 
   
 
Loosen the two captive screws that secure the lamp to the lamp housing.  
 
Swing the bail on the top of the lamp module up, then pull the module out of the projector.