Epson Projector PowerLite 640 User Manual

You
canalso reset theprojectors lampusage timertozero when youreplace thelamp using theReset
 Lamp
Hours option.
 You
cannot resetthefollowing settingsusingtheReset Alloption:
 •
Input Signal
 •
Users Logo
 •
Language
 •
Network menuitems
 •
Lamp Hours
 •
Password
 Parent
topic:Adjusting theMenu Settings
 141 

Maintaining
andTransporting theProjector
 Follow
theinstructions inthese sections tomaintain yourprojector andtransport itfrom place toplace.
 Projector
Maintenance
 Transporting
theProjector
 Projector
Maintenance
 Your
projector needslittlemaintenance tokeep working atits best.
 You
may need toclean thelens periodically, andclean theairfilter andairvents toprevent theprojector
 from
overheating duetoblocked ventilation.
 The
only parts youshould replace arethelamp, airfilter, andremote...

•
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...

Related
references
 Projector
LightStatus
 Cleaning
theAirFilter andVents
 Clean
theprojectors airfilter orvents ifthey getdusty, orifyou seeamessage tellingyoutoclean them.
 1.
Turn offthe projector andunplug thepower cord.
 2.
Gently remove thedust using asmall vacuum designed forcomputers oravery softbrush (suchas
 a
paintbrush).
 Note:
Youcanremove theairfilter soyou canclean bothsides ofit.Do not rinse theairfilter in
 water,
oruse anydetergent orsolvent toclean it.
 Caution:
Donot use canned...

You
canreplace theairfilter while theprojector ismounted tothe ceiling orplaced onatable.
 1.
Turn offthe projector andunplug thepower cord.
 2.
Carefully opentheairfilter cover.
 145  

3.
Pull theairfilter outofthe projector.
 Note:
Airfilters contain ABSresin andpolyurethane foam.Dispose ofused airfilters according to
 local
regulations.
 4.
Place thenew airfilter inthe projector asshown andpush gently untilitclicks intoplace.
 146   

5.
Close theairfilter cover.
 Parent
topic:AirFilter andVent Maintenance
 Related
references
 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...

3.
Use thescrewdriver includedwiththereplacement lamptoloosen thescrew securing thelamp
 cover.

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.
 148   

5.
Loosen thescrews securing thelamp tothe projector. Thescrews donot come allthe way out.
 6.
Grasp theraised section ofthe lamp andgently pullthelamp outofthe projector.
 Note:
Thelamp(s) inthis product containmercury. Pleaseconsult yourstate andlocal
 regulations
regardingdisposalorrecycling. Donot putinthe trash.
 149    

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.
 150