Epson 503c - Manual (Page 59)

Maintaining and Transporting the Projector 53
Cleaning and Replacing the Air Filter
Clean the air filter on top of the projector after every 100 hours of use.
If it is not cleaned periodically, it can become clogged with dust,
preventing proper ventilation. This can cause overheating and damage
the projector. To clean the air filter, follow these steps:
1. Turn off the projector, allow it to cool down, and unplug the
power cord.
2. Stand the projector on end to keep dust and dirt from falling
inside.
3. To clean the filter, EPSON recommends using a small vacuum
cleaner designed for computers and other office equipment. If you
don’t have one, gently clean the filter using a very soft brush (such
as an artist’s camel-hair brush).
If the dirt is difficult to remove or if the filter is torn, replace it.
Contact your dealer or call EPSON at (800) 873-7766 in the
United States and Canada to obtain a new one.
note
When you get a
replacement lamp for your
projector, a new air filter
is included. You should
replace the filter when
you replace the lamp.