AIR FILTER CARE AND CLEANINGAir Filter prevents dust from accumulating on surface of Projection Lens and Projection Mirror. Should Air Filterbecome clogged with dust particles, it will reduce Cooling Fans' effectiveness and may result in internal heat build upand adversely affect life of a projector.Clean Air Filter following steps below:1 Turn power off, and disconnect AC power cord from ACoutlet.2 Pull out air filter unit from the projector.3 Pulling up center frame of air filter top, separate air filtertop and sheet from air filter base.4 Clean each parts with brush, vacuum cleaner dust andparticles.5 Assemble sheet, air filter top and air filter base, andreplace air filter unit to a projector.CAUTION- Do not operate a projector with air filter removed.Or dust may accumulate on LCD panel andMirror degrading picture quality.- Do not put small parts into air Intake Vents. Or Itmay result in malfunction of a projector.- The filter be careful and handle. The effect of thefilter runs out in case of a leak and it beingbroken off.AIR FILTER UNITAIR FILTER TOPAIR FILTER BASE SHEETCaution; Assembles sheet and filter base- 14 -Maintenance and CleaningNOTE: If the dust cannot be removed by cleaning, it isprobably time to replace the air filters with newones.Air Filter Parts No. 610 301 4814