Epson Projector Emp Tw700 User Manual

							39
Problem Solving
Troubleshooting
■Interference or distortion appear in images
■Image is truncated (large) or small
Has condensation formed on the 
lens?If the projector is suddenly taken from a cold environment to a 
warm environment or if sudden ambient temperature changes 
occur, condensation may form on the surface of the lens, and this 
may cause the images to appear fuzzy. Set the projector up in the 
room approximately one hour before it is to be used. If 
condensation forms on the lens, turn the power off and wait for the 
condensation to disappear.
Are the image signal format 
settings correct?If a composite video or S-Video is being input
If projection does not occur when the Video Signal menu 
command is set to Auto, select the signal format that matches the 
signal source.
Settings - Input Signal - Video Signal p.33
If the signal source is connected to the [Component] port
If projection does not occur when the Component in the Input 
Signal menu command is set to Auto, set the signal format that 
matches the signal that is being projected from the connected 
equipment.  Settings - Input Signal - Component p.33
You can also press   on the remote control to select the 
format. p.15
Are the cables connected 
correctly?Check that all of the cables required for projection are securely 
connected. p.12
Is an extension cable being 
used?If an extension cable is used, interference may increase. Try 
connecting a signal amplifier.
Have the Sync.  and 
Tracking
  settings been 
adjusted correctly?
The projector has an automatic adjustment function that causes the 
optimum images to be projected. However, for some types of 
signal, the correct adjustments may not be obtained even after 
automatic adjustment is carried out. In such cases, use the 
Tracking and Sync. menu commands to make the adjustments.
Image -  Tracking, Sync. p.29
Has the correct resolution been 
selected?Set the computer so that the signals that are output are compatible 
with this projector. 
List of Supported Monitor Displays p.47 
Computer documentation
Has the correct aspect  been 
selected?Press   to select the aspect that corresponds to the input 
signal. p.18
If images with subtitles are being projected using Zoom, use the 
Zoom Caption menu command to adjust the images.  p.29
Has the Position setting been 
adjusted correctly?Use the Position the menu command to make the adjustment.
Image - Position p.30
Has the computer been set for 
dual display?If dual display has been activated in the Display Properties of the 
computers Control Panel, the projector will only project about half 
of the image on the computer screen. To display the whole of the 
image on the computer screen, turn off the dual display setting.
Computer video driver documentation
Computer and RGB 
video signals only
Only when projecting 
computer images
Only when projecting 
computer images 
						

							40
Problem Solving
■Image colours are not right
■Images appear dark
Has the correct resolution been 
selected?Set the computer so that the signals that are output are compatible 
with this projector.  
List of Supported Monitor Displays p.47 
Computer documentation
Are the image signal format 
settings correct?If a composite video  or S-Video  is being input
If projection does not occur when the Video Signal menu 
command is set to Auto, select the signal format that matches the 
signal source.
Settings - Input Signal - Video Signal p.33
If the signal source is connected to the [Component] port 
If projection does not occur when the Component in the Input 
Signal menu command is set to Auto, set the signal format that 
matches the signal that is being projected from the connected 
equipment.  Settings - Input Signal - Component p.33
You can also press   on the remote control to select the 
format. p.15
Are the cables connected 
correctly?Check that all of the cables required for projection are securely 
connected. p.12
Has the image contrast   
been adjusted correctly?Use the Contrast or the White Level menu command to adjust the 
contrast.
 Picture - Input Adjustment - Brightness/Contrast, White 
Level/Black Level 
p.28
Has the colour been adjusted 
correctly?Use the Color Adjustment menu command to adjust the colour. 
Picture - Color Adjustment p.28
Have the colour intensity and 
tint been adjusted correctly?Use the Color Saturation and Tint menu commands to adjust 
the colour and tint.
  Picture - Color Saturation, Tint p.28
Has the image brightness been 
adjusted correctly?Use the Brightness menu commands to make the adjustments.
 Picture - Input Adjustment - Brightness/Contrast p.28
Has the image contrast  
been adjusted correctly?Use the Contrast or the White Level menu command to adjust the 
contrast.
 Picture - Input Adjustment - Brightness/Contrast, White 
Level/Black Level 
p.28
Is the lamp due for 
replacement?When the lamp is nearly due for replacement, the images will 
become darker and the colour quality will become poorer. When 
this happens, the lamp should be replaced with a new one.  p.44
Only when projecting 
computer images
Only when projecting 
images from a video 
source 
						

							41
Problem Solving
Troubleshooting
■Projection stops automatically
Problems when projection starts
■Power does not turn on
Problems with the remote control
■The remote control does not work
Is sleep mode active?When Sleep Mode has been set to On, the lamp turns off 
automatically if no signal is input for about 30 minutes, and the 
projector switches to standby mode. Press the    button on the 
remote control or the   button on the projectors control panel to 
turn the projectors power back on. To cancel the sleep mode 
setting, change Sleep Mode menu command to Off.
Settings - Operation - Sleep Mode p.31
Have you pressed the [Power] 
button?Press  on the remote control or   on the projectors control 
panel.
Is Child Lock set to On?If the Child Lock menu command is set to On, press   on the 
projectors control panel for about 3 seconds or press   on the 
remoto control to turn the power on.
Settings - Operation - Child Lock p.31
Is Operation Lock set to On?If  the Operation Lock menu command is set to On, all buttons 
on the projector’s control panel are disabled. Press   on the 
remote control.
Settings - Operation - Operation Lock p.31
Are all of the indicators 
switched off?Disconnect the power cable and then reconnect it.  p.14
Check the circuit breaker to see if power is being supplied.
Do the indicators turn off and on 
when the power cable is 
touched?Turn the power off, disconnect the power cable and then reconnect 
it. If this does not solve the problem, there may be a problem with 
the power cable. Then contact your local dealer or the nearest 
address provided in the World-Wide Warranty Terms. Inquiries
Is the remote control light-
emitting area facing towards the 
remote control light-receiving 
area when it is operated?Face the remote control towards the remote control light-receiving 
area.
The operating angle for the remote control is approximately ±30° 
horizontally and approximately ±30° vertically.  p.13
Is the remote control too far 
from the projector?The operating range for the remote control is approximately 10m. 
p.13
Is direct sunlight or strong light 
from fluorescent lamps shining 
onto the remote control light-
receiving area?Set the projector up in a location where strong light will not shine 
onto the remote control light-receiving area.
Are the batteries dead, or have 
the batteries been inserted 
correctly?Insert new batteries, while making sure that they face correctly.  
p.13 
						

							42
Maintenance
This section describes maintenance tasks such as cleaning the projector and replacing consumable parts.
Cleaning
You should clean the projector if it becomes dirty or if the quality of projected images starts to 
deteriorate.
Cleaning the air filter
If the air filter becomes blocked with dust and the message 
The projector is overheating. Make sure nothing is blocking 
the air vent, and clean or replace the air filter is displayed, 
clean the air filter.
Turn the projector upside-down and use a vacuum cleaner to 
clean the air filter
Cleaning the projector case
Clean the projector case by wiping it gently with a soft cloth.
If the projector is particularly dirty, moisten the cloth with 
water containing a small amount of neutral detergent, and 
then firmly wring the cloth dry before using it to wipe the 
projector case. Then wipe the case again with a soft, dry cloth.
Cleaning the lens
To clean the lens it is preferable to use an air blower 
purchased for the purpose. But alternatively you can wipe it 
gently clean with a spectacle-cleaning cloth.
Be sure to read the separate Safety Instructions/World-Wide Warranty Terms booklet for details 
on safe handling of the projector during cleaning.
If the air filter becomes clogged with dust, it can result 
in overheating which may cause operating problems or 
reduce the operating life of the optical parts. It is 
recommended that you clean the air filter about once 
every three month. If using the projector in a dusty 
location, the air filter should be cleaned more often.
Do not use volatile substances such as wax, alcohol or 
thinner to clean the projector case. These can cause 
the case to warp and make the coating finish peel off.
Do not rub the lens with harsh materials or subject the 
lens to shocks, as it can easily become damaged. 
						

							43
Maintenance
Appendix
Consumable replacement periods
Air filter replacement period
 If the air filter has been broken or the Replace message is displayed even though the 
air filter has been cleaned.
Replace with an optional air filter.  
Replacing the air filter p.44
Lamp replacement period
 The message Replace the lamp. appears on the screen when projection starts.
 The projected images get darker or start to deteriorate.
•The replacement warning message is set to appear after a minimum of about 1600 
hours of lamp use in order to maintain the initial brightness and quality of the 
projected images. The time taken for the message to appear will vary depending on 
usage conditions such as Color Mode settings. 
If you continue to use the lamp after this period, the possibility of the lamp breaking 
becomes greater. When the lamp replacement message appears, replace the lamp 
with a new one as soon as possible, even if it is still working.
•Depending on the characteristics of the lamp and on the way it has been used, the 
lamp may become darker or stop working before the lamp warning message appears. 
You should always have a spare lamp ready in case it is needed.
•Contact your dealer for a spare lamp.
A message will be displayed.
TIP 
						

							44
Maintenance
Replacing consumables
Replacing the air filter
Replacing the lamp
Resetting the lamp operating time
Remove the air filter 
cover.
Put your finger under the 
latch and pull it upward.
Press       or      to turn 
the power off, wait until 
the projector cools down, 
and then turn off the 
main power switch.Dispose of used air 
filters properly in 
accordance with 
your local 
regulations.
Air Filter: 
Polypropylene
TIP
* Wait until the lamp 
cools down (takes 
approximately 1 hour).Remove the lamp cover.
Securely tighten the 
lamp fixing screws.Install the lamp cover.
Press       or      to turn 
the power off, wait until 
the projector cools down,  
and then turn off the 
main power switch.
If the lamp stops working 
and needs to be 
replaced, there is the 
danger that the lamp 
may already be broken.
If replacing the lamp of a 
projector which has been 
installed to the ceiling, 
you should always 
assume that the lamp is 
broken and handle it with 
extreme care during 
removal. Furthermore, 
you should stand to the 
side of the projector, not 
underneath it.
Press     to turn on 
the power.Press           to display 
the configuration menu.The lamp operating time 
must always be reset after 
the lamp has been replaced 
with a new one.
The projector has a built-in 
counter which keeps track 
of the lamp operating time. 
When the cumulative 
operating time reaches a 
certain point, it causes the 
replacement warning 
message to be displayed.  
						

							45
Maintenance
Appendix
Remove the old air 
filter.Insert the new air filter. Install the air filter cover.
Loosen the lamp fixing 
screws.Remove the old lamp.
Pull out straight.
Insert the new lamp.
Make sure that it faces 
the correct way.
Install the lamp and the lamp cover securely. The lamp will not turn on if 
the lamp or the lamp cover is not installed correctly.
This product includes a lamp component that contains mercury (Hg). 
Please consult your local regulations regarding disposal or recycling. Do 
not dispose of it with normal waste.
Select Reset Lamp 
Hours from the Reset 
menu.Select Yes and then 
press      . 
						

							46
Optional Accessories / Consumables
The following optional accessories / consumables are available for purchase if required. This list of 
optional accessories  / consumables is current as of October, 2006. Details of accessories are subject to 
change without notice.
Varies depending on country of purchase.
■Optional Accessories■Consumables
50 Portable Screen ELPSC06
A compact screen which can be carried easily.  
(Aspect
 4:3)
60 Portable Screen ELPSC07
80 Portable Screen ELPSC08
100 Portable Screen ELPSC10
A portable roll-type screen. (Aspect 4:3)
VGA-HD15 PC Cable (1.8 m) ELPKC02
VGA-HD15 PC Cable (3 m) ELPKC09
VGA-HD15 PC Cable (20 m) ELPKC10
(For mini D-Sub 15-pin/mini D-Sub 15-pin) 
Use to connect the projector to a computer.
Ceiling Mount*ELPMB20
(with ceiling plate)
Use when installing the projector to a ceiling.
Celling Pipe 600 (600 mm/white)*ELPFP07
Use when installing the projector to a high ceiling or 
a ceiling with veneer panels.
* A special method of installation is required in 
order to suspend the projector from the ceiling. 
Please contact the place of purchase if you would 
like to use this installation method.
Lamp Unit ELPLP39
(1 spare lamp, 1 spare screwdriver) 
Use as a replacement for spent lamps.
Air Filter Set ELPAF09
(1 air filter)
Use as a replacement for old air filters. 
						

							47
Appendix
List of Supported Monitor Displays
Depending on the setting, the output screen resolution will change slightly.
Component Video 
*Letterbox signal
Composite Video/S-Video
*Letterbox signal
 : Aspect     Units: Dots
SignalResolution
Aspect mode
NormalSqueezeZoomThroughSqueeze 
throughWide
SDTV
(525i, 
60Hz)720×480
720×360 *960×720 1280×720 1280×720 596×446 794×446 1280×760
SDTV(625i, 
50Hz)720×576
720×432 *960×720 1280×720 1280×720 708×528 944×528 1280×760
SDTV(525p)720×480
720×360 *960×720 1280×720 1280×720 596×446 794×446 1280×760
SDTV(625p)720×576
720×432 *960×720 1280×720 1280×720 708×528 944×528 1280×760
HDTV
(750p) 
16:91280×7201280×720
--1176×664
--
HDTV(1125i)
16:91920×10801280×720
-----
  : Aspect    Units: Dots
SignalResolution
Aspect mode
NormalSqueezeZoomThroughSqueeze 
throughWide
TV(NTSC
)720×480
720×360 *960×720 1280×720 1280×720 596×446 794×446 1280×720
TV(PAL
, 
SECAM
)720×576
720×432 *960×720 1280×720 1280×720 708×528 944×528 1280×720
4:316:9
4:316:916:94:316:916:9
4:316:916:94:316:916:9
4:316:916:94:316:916:9
4:316:916:94:316:916:9
16:916:9
16:9
4:316:9
4:316:916:94:316:916:9
4:316:916:94:316:916:9 
						

							48
List of Suppor ted Monitor Displays
Images from Computer
*1 Connection is not possible if the equipment does not have a VGA output port.
*2 Letterbox signal
correspond to input signals from the [HDMI] input port.
It may be possible to project signals which are not listed in the above table. However, some functions may 
be limited in that case.
Units: Dots
SignalResolutionAspect mode
NormalSqueezeZoomThroughSqueeze 
throughWide
VGA60640×480
640×360 *2960×720 1280×720 1280×720 640×480 853×480 1280×720
VESA72/75/
85, iMac
*1640×480
640×360 *2960×720 1280×720 1280×720 640×480 853×480 1280×720
SVGA
56/60/
72/75/85, 
iMac
*1 800×600
800×450 
*2960×720 1280×720 1280×720 800×600 1066×600 1280×720
XGA
60/70/
75/85, iMac*11024×768
1024×576 *2960×720 1280×720 1280×720 - - 1280×720
WXGA60-11280×768 1280×720 1280×720 1280×720---
WXGA60-21360×768 1280×720 1280×720 1280×720---
SXGA
601280×1024
1280×960960×720 1280×720 1280×720 - - 1280×720
MAC13 640×480 960×720 1280×720 1280×720 640×480 853×480 1280×720
MAC16 832×624 960×720 1280×720 1280×720 832×624 1109×624 1280×720
MAC19 1024×768 960×720 1280×720 1280×720 - - 1280×720
SDTV(525i, 
60Hz)720×480
720×360 *2960×720 1280×720 1280×720 640×480 853×480 1280×720
SDTV(525p)720×480
720×360 *2960×720 1280×720 1280×720 640×480 853×480 1280×720
SDTV(625i, 
50Hz)720×576
720×432 *2960×720 1280×720 1280×720 768×576 1024×576 1280×720
SDTV(625p)720×576
720×432 *2960×720 1280×720 1280×720 768×576 1024×576 1280×720
HDTV 
(750p)1280×720 1280×720 - - 1280×720 - -
HDTV(1125i) 1920×1080 1280×720-----