Maintenance & Troubleshooting; Cleaning The Lens; Cleaning The Dust Filters - InFocus LP280 User Manual

MAINTENANCE & TROUBLESHOOTING
This section describes how to:
clean the lens
•
clean the air intake dust filters
•
replace the projection lamp
•
replace the batteries in the remote
•
use the security lock feature
•
troubleshoot the projector
•

Cleaning the Lens

Follow these steps to clean the projection lens:
1 Apply a non-abrasive camera lens cleaner to a soft, dry cloth.
Avoid using an excessive amount of cleaner, and don't
•
apply the cleaner directly to the lens.
Abrasive cleaners, solvents or other harsh chemicals might
•
scratch the lens.
2 Lightly wipe the cleaning cloth over the lens in a circular
motion.
3 If you don't intend to use the projector immediately, replace
the lens cap.

Cleaning the Dust Filters

The dust filters catch dust and other particles in the air. If the fil-
ters become clogged, the projector does not cool properly and
may malfunction.
1 Turn off the projector and unplug the power cord.
2 Turn the projector upside down and remove the screws on the
filter doors.
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