InFocus LP280 User Manual page 38

M a i n t e
30
n a n c e &
F 21
IGURE
Removing the filter doors
3 Remove the filter doors and clean them using a vacuum
cleaner on low power.
4 Replace the filter doors and tighten the screws.
F 22
IGURE
Replacing the filter doors
T r o u b l e s h o o t i n g