Epson Projector PowerLite 3900 User Manual

111
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 opticsor
 other
sensitive areas.
 5.
Vacuum thefront ofthe airfilter (theside withthetabs) toremove anyremaining dust.
 Note:
Ifdust isdifficult toremove orthe airfilter...

112
6.
Place theairfilter back inthe projector asshown.
 7.
Attach theairfilter cover asshown, andpress itgently untilitclicks intoplace.
 Parent
topic:AirFilter andVent Maintenance
 Related
tasks
 Replacing
theAirFilter
 Replacing
theAirFilter
 You
need toreplace theairfilter inthe following situations:
 •
After cleaning theairfilter, youseeamessage tellingyoutoclean orreplace it
 •
The airfilter istorn ordamaged   

113
You
canreplace theairfilter while theprojector ismounted tothe ceiling orplaced onatable.
 1.
Turn offthe projector andunplug thepower cord.
 2.
Liftthe tabonthe bottom ofthe airfilter cover andpulldown toremove thecover.
 3.
Pull theairfilter outofthe projector.
 Note:
Airfilters contain polypropylene. Disposeofused airfilters according tolocal regulations.   

114
4.
Place thenew airfilter inthe projector asshown.
 5.
Attach theairfilter cover asshown, andpress itgently untilitclicks intoplace.
 Parent
topic:AirFilter andVent Maintenance
 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   

115
•
Amessage appearswhenyouturn onthe projector tellingyoutoreplace thelamp
 •
The projectors Lamplightisflashing orangeanditspower lightisflashing blue
 Replacing
theLamp
 Resetting
theLamp Timer
 Parent
topic:Projector Maintenance
 Related
references
 Optional
Equipment andReplacement Parts
 Projector
Information Display-Info Menu
 Projector
LampSpecifications
 Replacing
theLamp
 Before
youreplace thelamp, letthe projector cooldown foratleast onehour sothe lamp willnot behot.
 Warning:
Letthelamp...

116
Warning:
Ifthe lamp isbroken, glassfragments maybeloose inside thelamp chamber. Becareful
 removing
anybroken glasstoavoid injury. Ifthe projector isinstalled onthe ceiling, standtothe side
 of
the lamp cover andnotunderneath it;pieces ofglass could fallinto your eyes ormouth whenyou
 open
thelamp cover.
 4.
Slide thelamp cover outand liftitoff.
 5.
Loosen thescrews securing thelamp tothe projector. Thescrews donot come allthe way out.   

117
6.
Liftupthe lamp handle andgently pullthelamp outofthe projector.
 Note:
Thelamp(s) inthis product containmercury. Pleaseconsult yourstate andlocal
 regulations
regardingdisposalorrecycling. Donot putinthe trash.   

118
7.
Gently insertthenew lamp intotheprojector. Ifitdoes notfiteasily, makesureitis facing theright
 way.

Caution:
Donot touch anyglass onthe lamp assembly toavoid premature lampfailure.
 8.
Push inthe lamp firmly andtighten thescrews tosecure it.   

119
Caution:
Donot over-tighten thescrews.
 9.
Replace thelamp cover andtighten thescrew tosecure it.
 Note:
Besure thelamp cover issecurely installedorthe lamp willnot come on.
 Reset
thelamp timer tozero tokeep trackofthe new lamps usage.
 Parent
topic:Projector LampMaintenance
 Related
tasks
 Resetting
theLamp Timer
 Resetting
theLamp Timer
 You
must reset thelamp timer afterreplacing theprojectors lamptoclear thelamp replacement
 message
andtokeep trackoflamp usage correctly.
 Note:
Donot reset...

120
3.
Select theReset menuandpress Enter.
 4.
Select ResetLampHours andpress Enter.
 You
seeaprompt askingifyou want toreset thelamp hours.
 5.
Select Yesandpress Enter.
 6.
Press Menu orEsc toexit themenus.
 Parent
topic:Projector LampMaintenance
 Replacing
theRemote ControlBatteries
 The
remote controlusestwoAAmanganese oralkaline batteries. Replacethebatteries assoon asthey
 run
out.
 Caution:
Useonly thetype ofbatteries specified inthis manual. Donot install batteries ofdifferent types,
 or
mix...