Epson Projector PowerLite 4750W User Manual

•
To remove stubborn smudges, moistenasoft, lint-free clothwithlens cleaner andgently wipethe
 lens.
Donot spray anyliquid directly onthe lens.
 Warning:
Donot use alens cleaner thatcontains flammable gas.Thehigh heat generated bythe
 projector
lampmaycause afire.
 Caution:
Donot use glass cleaner orany harsh materials toclean thelens anddonot subject thelens
 to
any impacts; youmay damage it.Do not use canned air,orthe gases mayleave aresidue. Avoid
 touching
thelens withyour bare hands toprevent...

Cleaning
theAirFilter
 You
need toclean theprojectors airfilter inthe following situations:
 •
The filter orvents getdusty.
 •
You seeamessage tellingyoutoclean it.
 •
The projectors filterlightflashes green.
 1.
Turn offthe projector andunplug thepower cord.
 2.
Slide theairfilter cover latchandopen theairfilter cover.
 142  

3.
Pull theairfilter outofthe projector.
 4.
Tap each sideofthe airfilter 4to 5times toshake offany excess dust.
 Caution:
Donot use excessive forcewhen tapping theairfilter, oritmay crack andbecome
 unusable.
Donot rinse theairfilter inwater, oruse anydetergent orsolvent toclean it.Do not use
 canned
air;the gases mayleave aresidue orpush dustanddebris intotheprojectors opticsorother
 sensitive
areas.
 143   

5.
Vacuum thefront ofthe airfilter (theside withthetabs) toremove anyremaining dust.
 Note:
Ifdust isdifficult toremove orthe airfilter isdamaged, replacetheairfilter.
 6.
Place theairfilter back inthe projector asshown andpush gently untilitclicks intoplace.
 7.
Close theairfilter cover.
 Parent
topic:AirFilter andVent Maintenance
 Related
references
 Projector
LightStatus
 144   

Replacing
theAirFilter
 You
need toreplace theairfilter inthe following situations:
 •
After cleaning theairfilter, youseeamessage tellingyoutoclean orreplace it
 •
The airfilter istorn ordamaged
 You
canreplace theairfilter while theprojector ismounted tothe ceiling, ifnecessary.
 1.
Turn offthe projector andunplug thepower cord.
 2.
Slide theairfilter cover latchandopen theairfilter cover.
 145  

3.
Pull theairfilter outofthe projector.
 Note:
Airfilters contain polypropylene. Disposeofused airfilters according tolocal regulations.
 4.
Place thenew airfilter inthe projector asshown andpush gently untilitclicks intoplace.
 5.
Close theairfilter cover.
 Parent
topic:AirFilter andVent Maintenance
 146   

Related
references
 Projector
LightStatus
 Optional
Equipment andReplacement Parts
 Projector
LampMaintenance
 The
projector keepstrackofthe number ofhours thelamp isused anddisplays thisinformation inthe
 projectors
menusystem.
 Replace
thelamp assoon aspossible whenthefollowing occurs:
 •
The projected imagegetsdarker orstarts todeteriorate
 •
Amessage appearswhenyouturn onthe projector tellingyoutoreplace thelamp
 •
The projectors lamplightisflashing orange
 Replacing
theLamp
 Resetting
theLamp...

3.
Use thescrewdriver includedwiththereplacement lamptoloosen thescrew securing thelamp
 cover,
andthen remove thelamp cover.
 Warning:
Ifthe lamp isbroken, glassfragments maybeloose inside thelamp chamber. Becareful
 removing
anybroken glasstoavoid injury.
 4.
Loosen thescrews securing thelamp tothe projector. Thescrews donot come allthe way out.
 148   

5.
Hold thelamp byitshandle andgently pullitout ofthe projector.
 Note:
Thelamp(s) inthis product containmercury. Pleaseconsult yourstate andlocal
 regulations
regardingdisposalorrecycling. Donot putinthe trash.
 6.
Gently insertthenew lamp intotheprojector. Ifitdoes notfiteasily, makesureitis facing theright
 way.

149    

Caution:
Donot touch anyglass onthe lamp assembly toavoid premature lampfailure.
 7.
Push inthe lamp firmly andtighten thescrews tosecure it.
 8.
Replace thelamp cover andtighten thescrew tosecure it.
 Note:
Besure thelamp cover issecurely installedorthe lamp willnot come on.
 150