1277. M aintenance7. Fix the filter inside the projector unit.(1) Snap the filter cover tabs into the cutout portion of theprojector unit to secure it.(2) Seat the air filter aligned with the air inlet.12Cut out portion8. Attach the front filter cover.Push the front filter cover in the direction of the arrow toinstall.Cut out portion9. Clean the other intake vent air filters in the same way.Clean the other intake vent air filters in the same way as in steps (2) to (7).NOTE• Before turning on the power, make sure that all filter covers are in place. If they are not fitted properly dust could get insidethe projector causing it to malfunction.• Reset air filter usage time after cleaning the filters.Resetting the Air Filter Usage Time1. Turn on the power to the projector.2. Select [SETUP] → [RESET] and perform [CLEAR FILTER HOURS].This completes resetting the air filter usage time.