Attaching the air filter unitTab1) Attach the unused air filter unit to the projector.f Hold the air filter unit that the tab is in up-left side in the figure, put the right side in the figure first, and press the tab sideuntil make a click sound.f Please press the tab of the air filter unit other than the pleated filter during installation.2) Install the air filter cover.f Perform Step 1) in “Removing the air filter unit” (x page 126) in the reverse order to close the air filter cover and pressit firmly until make a click sound.f Make sure that the air filter cover is closed tightly.Resetting the filter counterBe sure to reset the filter counter after replacing the air filter unit.1) Connect the power plug, press the power <v/b> button on the control panel or the power on <b>button on the remote control.2) Press the as to select [PROJECTOR SETUP].3) Press the button, press as to select [FILTER COUNTER].4) Press the button, press as to select [FILTER COUNTER RESET].5) Press the button.f [FILTER COUNTER RESET] confirmation is displayed.6) Press qw to select [OK], then press the button.f The filter usage time is 0 after reset.Attentionf Turn off the power before you replace the air filter unit.f When attaching the air filter unit, make sure that the projector is stable, and work in an environment that is safe, even in theevent of the air filter unit dropping.f Make sure that the air filter unit is properly attached before using the projector. If it is not attached, the projector will suck indirt and dust causing a malfunction.f Do not put anything into the air vents. Doing so may result in malfunction of the projector.f The air filter unit to be replaced should be an unused product.f After replacing the air filter, reset the filter counter. Otherwise, “FILTER COUNTER has reached the set time.” will appear onscreen.Notef The replacement cycle of the air filter unit varies greatly depending on the usage environment.Lamp unitThe lamp unit is a consumable component. Refer to “When to replace the lamp unit” (x page 128) for details about thereplacement cycle.It is recommended to ask an authorized engineer to replace the lamp unit. Contact your dealer.Consult your dealer to purchase a replacement lamp unit (ET-LAV300).WarningDo not replace the lamp unit when it is hot. (Wait at least 1 hour after use.)The inside of the cover can become very hot, take care to avoid burn injuries.ENGLISH - 127Chapter 6 Maintenance - Maintenance/replacement