26 - ENGLISHMaintenanceCare and ReplacementCleaning the projectorBefore cleaning the projectorJ Switch off MAIN POWER in proper way and disconnect the mains plug from the mains socket.Unplug all the cables from the projector.Cleaning the outer surface of the projectorJ Wipe off dirt and dust gently with a soft cloth.If it is difficult to remove the dirt, soak a cloth in water, wring the cloth well and then wipe the projector. Dry off theprojector with dry cloth.Do not use petroleum benzine, thinner, any alcoholic solvent, kitchen detergents or chemical clothes. Failure toobserve these may result in altered or damaged surface of the projector.Cleaning the lens surfaceJ Wipe off dirt and dust gently with a lint-free cloth.Make sure no dirt or dust remains on the surface of the lens. It will be enlarged and projected onto the screen.Cleaning the air filterJ If the air filter is excessively dirty, the internal temperature of the projector increases and may causemalfunction. Clean the air filter regularly every 100 hours of usage.Place a finger at the bottom of the air filter.1.Slightly push up and pull out the air filter to remove.2.Vacuum dirt and dust from the air filter.3.Do not wash the air filter.Place and slightly slide in the air filter in the air intake port to attach.4.Make sure the air filter clicks into the place.NOTE:Do not use the projector without attaching the air filter.•J Replacing the air filterThe air filter should be replaced when cleaning is ineffective and when replacing the lamp unit. A replacementair filter (TXFKN01VKF5) is provided with a replacement lamp unit, ET-LAE4000. Contact an AuthorisedService Centre for the optional air filter.