Nikon NP4100 Manuale Utente

Pagina di 158
6. Maintenance 
108
Cleaning the Filters 
The projector uses three filters to keep the fans free of dust and other particles, and 
should be cleaned every 500 hours of operation. In dustier environments, it is recom-
mended to clean the filters more frequently. If the filter is dirty or clogged, your projector 
may overheat. When the message below is displayed the filters must be cleaned. 
 
Note:  
When the Please clean filter message is displayed, please clean or replace 
all three filters at the same time to synchronize the hours used display.  
The Filter Message item should be enabled in the Options menu. Refer to Op-
tions on page 
Refer to the following guide to clean the filters. 
1.  
Lift the projector to  
expose the underside to 
locate the first filter.  
See the drawing on the 
right. 
Note: Only clean the out-
side of the exhaust vents 
with a vacuum cleaner. 
Bottom view
 
2.  
The left-hand filter can be 
accessed as shown.