Title: +135.01=556.001-OA001T_01-Epson EB-2247U Brukermanual.pdf
Clean the projector's air filter or vents if they get dusty, or if you see a message telling you to clean them.a Turn off the projector and unplug the power cord.157b Gently remove the dust using a small vacuum designed for computersor a very soft brush (such as a paintbrush).a You can remove the air filter so that you can clean both sides. Donot rinse the air filter in water, or use any detergent or solvent to clean it.Attention Do not use canned air. The gases may leave a flammable residue or push dust and debris into the projector's optics or other sensitive areas.c If dust is difficult to remove or the air filter is damaged, replace the airfilter.Replacing the Air FilterYou need to replace the air filter in the following situations:After cleaning the air filter, you see a message telling you to clean or replace itAfter cleaning the air filter, you see a message telling you to clean or replace itThe air filter is torn or damaged