InFocus LP 850 User manual

Remove the dust filter grill
Remove the dust filter
Vacuum the dust filter
Unplug the projector
Wait 60 minutes.
Cleaning the dust filter
1  Turn the projector off and unplug the power cable.
2 Wait 60 minutes to allow the projector to cool.
3 Remove the dust fitler door by pulling down on the two tabs on
the top of the grill.
4 Grasp the tab in the center of the filter and pull it out.
5 Clean the outside of the filter using a vacuum set on low power.
6 Replace the filter and the door.
7 Reset the filter timer. To do this, press the Menu button on the
keypad. Go to Main > Settings > Service > Filter Reset.