776. MaintenanceThis section describes the simple maintenance procedures you should follow to clean the filters and replace the lamp. Cleaning or Replacing the FilterThe air-filter sponge keeps dust and dirt from getting inside the projector and should be frequently cleaned. If thefilter is dirty or clogged, your projector may overheat.NOTE: The message for filter cleaning will be displayed for one minute when the projector is turned on or off.To cancel the message, press any button on the projector cabinet or the remote control.CAUTION• Turn off the projector, turn off the main power switch and unplug the projector before replacing the filter.• Only clean the outside of the filter cover with a vacuum cleaner.• Do not attempt to operate the projector without the filter cover.To clean the air-filter:Vacuum the filter-through the filter cover.To reset the filter usage time, from the menu, select [RESET] → [CLEAR FILTER HOURS].(→ page 76 for resetting the filter usage time)To replace the filter (sponge):CAUTION• Replace both filters at the same time.• Before replacing the filters, remove dust and dirt from the projector cabinet.• The projector contains high-precision parts. Keep out dust and dirt during filter replacement.• Do not wash the filter with water. Water will damage the filter membrane.• Reattach the filter cover correctly. Failure to do so may cause projector malfunction.Preparation: Replace the lamp before replacing the filters.NOTE: When you replace the lamp, it is also wise to replace the filter. The filter comes in the same package with your replacement lamp.1. Pull to remove the filter cover.FilterDownloaded From projector-manual.com NEC Manuals
