66Turn off the projector, and unplug the AC power cord from theAC outlet.First, clean up the dust on the projector and around the airvents.1Press q downwards on the filter cover to release the latchand open the filter cover.Put the new one back into the position and close the filtercover. Make sure that the filter cartridge is properly and fullyinserted.5CAUTIONMake sure the filter cartridge is inserted in the projector. Ifthe filter cartridge is not inserted, the projector cannot beturned on.Do not put anything into the air vents. Doing so may resultin malfunction of the projector.4Reset the filter counter (p.67).6Filter coverPull out the filter cartridge. When taking out the filter cartridge,put your finger on the filter cartridge’s tab and then pull.LatchFilter cartridgeTabRECOMMENDATIONWe recommend avoiding dusty/smoky environments whenoperating the projector Usage in these environments maycause a poor image qualityWhen using the projector under dusty or smoky conditions,dust may accumulate on a lens, liquid crystal panels, or opticalelements inside the projector. Such condition may degrade thequality of the projected image.When the symptoms above are noticed, contact your authorizeddealer or service center for proper cleaning.ORDER REPLACEMENT FILTER CARTRIDGEReplacement filter cartridge can be ordered through your dealer.When ordering, give the following information to the dealer.ü Model No of your projectorPLC-WM4500, PLC-WM4500Lü Replacement Filter Cartridge Type NoPOA-FIL-01 (Service Parts No. 610 349 8317)Connect the AC power cord to the projector and turn on theprojector.7Maintenance and CareReplacing the Filter Cartridge