Epson Projector PowerLite 640 User Manual

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 lamp ’s 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...

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
 Related
tasks
 Replacing
theLamp
 Replacing
theRemote ControlBatteries
 The
remote controlusestwoAAmanganese oralkaline batteries. Replacethebatteries assoon asthey
 run
out.
 Caution:
Useonly thetype ofbatteries specified inthis manual. Donot install batteries...

1.
Remove thebattery coverasshown.
 2.
Remove theoldbatteries.
 Warning:
Ifthe battery fluidhasleaked, wipeitaway withasoft cloth andavoid getting thefluid on
 your
hands. Ifitgets onyour hands, washthemimmediately toavoid injury.
 3.
Insert thebatteries withthe+and –ends facing asshown.
 153   

4.
Replace thebattery coverandpress itdown untilitclicks intoplace.
 Warning:
Disposeofused batteries according tolocal regulations. Donot expose batteries toheat
 or
flame. Keepbatteries outofthe reach ofchildren; theyarechoking hazards andarevery
 dangerous
ifswallowed.
 Parent
topic:Projector Maintenance
 Related
references
 Remote
ControlOperation
 Transporting
theProjector
 The
projector containsprecision parts,someofwhich areglass. Follow theseguidelines totransport,
 ship,
orstore theprojector...

Solving
Problems
 Check
thesolutions inthese sections ifyou have anyproblems usingtheprojector.
 Projection
ProblemTips
 Projector
LightStatus
 Using
theProjector HelpDisplays
 Solving
ImageorSound Problems
 Solving
Projector orRemote ControlOperation Problems
 Solving
Network Problems
 Where
toGet Help
 Projection
ProblemTips
 If
the projector isnot working properly, tryturning itoff and unplugging it.Then plugitback inand turn it
 on.

If
this does notsolve theproblem, checkthefollowing:
 •
The...

1
 Power
light
 2
 Status
light
 3
 Lamp
light
 4
 Temp
(temperature) light
 Power
light
 Status
light
 Lamp
light
 Temp
light
 Status
andsolution
 Blue
 Blue
 Off
 Off
 Normal
operation
 Blue
 Flashing
blue
 Off
 Off
 Warming
uporcooling down
 Blue
 Off
 Off
 Off
 Standby
orsleep mode
 Flashing
blue
 Light
status
 Light
status
 Flashing
 Projector
istoo hot.
 varies
 varies
 orange

•
Make surethatthevents andair
 filter
arenotclogged withdust or
 obstructed
bynearby objects.
 •
Clean orreplace...

Power
light
 Status
light
 Lamp
light
 Temp
light
 Status
andsolution
 Off
 Flashing
blue
 Orange
 Off
 Lamp
hasaproblem.
 •
Check tosee ifthe lamp is
 burned
out,broken, orinstalled
 incorrectly.
Reseatorreplace the
 lamp
asnecessary.
 •
Clean orreplace theairfilter.
 •
Ifoperating theprojector athigh
 altitude,
turnonHigh Altitude
 Mode
.
 •
Ifthe problem persists, unplug
 the
projector andcontact Epson
 for
help.
 Flashing
blue
 Light
status
 Flashing
 Light
status
 Replace
thelamp soon toavoid...

Power
light
 Status
light
 Lamp
light
 Temp
light
 Status
andsolution
 Flashing
blue
 Flashing
blue
 Flashing
 Flashing
 When
transferring settingsbetween
 rapidly
 rapidly
 orange
rapidly
 orange
rapidly
 projectors,
writingmayhave failed
 and
aprojector errormayhave
 occurred.
Turntheprojector off,
 unplug
it,and contact Epsonfor
 help.

Note:
Ifthe lights display apattern notlisted inthe table above, turntheprojector off,unplug it,and
 contact
Epsonforhelp.
 Parent
topic:Solving Problems
 Related...

•
To exit thehelp system, pressHome .
 Parent
topic:Solving Problems
 Solving
ImageorSound Problems
 Check
thesolutions inthese sections ifyou have anyproblems withprojected imagesorsound.
 Solutions
WhenNoImage Appears
 Solutions
WhenImage isIncorrect UsingtheUSB Display Function
 Solutions
WhenNo Signal Message Appears
 Solutions
WhenNot Supported Message Appears
 Solutions
WhenOnlyaPartial ImageAppears
 Solutions
WhentheImage isNot Rectangular
 Solutions
WhentheImage Contains NoiseorStatic...

•
Ifthe projector doesnotrespond whenyoupress buttons onthe remote control, makesuretheremote
 receivers
areturned on.
 •
For images projected withWindows MediaCenter, reducethescreen sizefrom fullscreen mode.
 •
For images projected fromapplications usingWindows DirectX,turnoffDirectX functions.
 Parent
topic:Solving ImageorSound Problems
 Related
references
 Image
Quality Settings -Image Menu
 Input
Signal Settings -Signal Menu
 Projector
FeatureSettings -Settings Menu
 Projector
SetupSettings...