NEC NP-PA550W - Maintenance; Cleaning the Filters

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7. Maintenance
Thissectiondescribesthesimplemaintenanceproceduresyoushouldfollowtocleanthelters,thelens,thecabinet,
andtoreplacethelampandthelters.
1 Cleaning the Filters
Theair-lterspongekeepsdustanddirtfromgettinginsidetheprojectorandshouldbefrequentlycleaned.Ifthelter
isdirtyorclogged,yourprojectormayoverheat.
NOTE:Themessageforltercleaningwillbedisplayedforoneminuteaftertheprojectoristurnedonoroff.Whenthemessageis
displayed,cleanthelters.Thetimetocleantheltersissetto[OFF]attimeofshipment.(→page103)
Tocancelthemessage,pressanybuttonontheprojectorcabinetortheremotecontrol.
Thetwo-layerlterontheprojectorimprovescoolinganddust-proofcapabilities comparedwiththeconventional
models.
Theoutsides(intakeside)oftherstandsecondlayerltersremovedust.
Tocleanthelter,detachthelterunitandtheltercover.
CAUTION
• Beforecleaningthelters,turnofftheprojector,disconnectthepowercordandthenallowthecabinettocool.
Failuretodosocanresultinelectricshockorburninjuries.
1. Push up the buttons on the left and right to release the
filter unit and pull it out.
2. Removethelterunitbypullingoutthetab.
3. Remove the four filters.
(1) Turn the filter unit over and pull out the two soft accordion
filters.
Filter cover Button
Filter unit
Tab