Epson Projector Emp 740 User Manual

							90
Problems SolvingUser’s Guide
 EMP NS Connection starts, but a projector is not found
Check
Remedy
Is the wireless or wired LAN card inserted?
Check that the wireless or wired LAN card is correctly inserted into the card slot of the projector. 
Inserting and Removing Cards sp.17
Is the network cable connected  correctly?
Check that the network cable is connected correctly. If it is not connected or is connected 
incorrectly, reconnect it.
Is the access lamp of the wireless LAN card 
that is inserted into the projector lit green?
If the access lamp is off, remove the wireless LAN card and re-insert it. 
Inserting and Removing Cards sp.17
Is the projector displaying the EasyMP 
configuration menu screen?
Network connections are disabled while the EasyMP configuration setting screen is displayed. 
Close the configuration settings to return to the EasyMP standby window.
Is the computer ready for LAN card or in-built 
LAN functionality to be used?
Check whether the LAN device is functioning in the Device Manager. For example, Control panel - 
System - Device Manager.
Is the wireless LAN setting for the computer 
set to ad hoc mode
g?
Change the wireless LAN settings at the computer to ad hoc mode.
sComputer Wireless LAN Settings in the EasyMP Network Setup Guide
Depending on the manufacturer of the wireless LAN card, you may be able to use a communication 
setting utility (such as Client Manager) to set ad hoc mode.
Ad hoc mode may be expressed using some other terminology such as Computer communication 
using wireless LAN (WiFi), Wi-Fi ad hoc, 802.11 ad hoc, 802.11 Mode Connection or Peer 
to Peer.
Is the DHCP
g function of the wired LAN set to 
ON?
Set the DHCP setting of the wired LAN to OFF in the EasyMP configuration setting screen.
sConnecting in Access Point Mode or Wired LAN Mode in the EasyMP Network Setup Guide
Has the network adapter been selected 
correctly in EMP NS Connection?
If the computer that you are using has several LAN environments, the correct network adapter to be 
used by EMP NS Connection must be selected, otherwise it will not be possible to connect. Start 
EMP NS Connection and select the network adapter from the Extension - Switch LAN 
(Windows) or Extension - Network Set (Macintosh) menu.
If making a wireless LAN connection, are 
there any settings within the power saving 
features of your computer which disable the 
wireless LAN?
Please enable the wireless LAN.
Is the computers radio wave setting for the 
wireless LAN set to low-intensity?
Change the radio wave setting to the highest possible intensity.
When connected to a wired LANWhen connected to a wireless 
LAN in easy connection modeWhen connected to a wireless LAN 
						

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Problems SolvingUser’s Guide
 Connection cannot be established in access point mode or wired LAN connection mode
 Connection is not possible in easy connection mode (ad hoc mode
g)
Is the LAN card you are using 802.11g or 
802.11b compliant?
Only 802.11g or 802.11b compliant equipment can be used. You cannot use equipment conforming 
to any other standards (such as 802.11 or 802.11a).
Is WEP
g encryption set to ON at the 
computer?
If using easy connection mode (ad hoc mode
g), WEP must be set to OFF, otherwise connection 
will not be possible. Set WEP encryption to OFF. sConnecting Using Easy Connect Mode 
(Wireless LAN) in the EasyMP Network Setup Guide
Check
Remedy
Is the ESSID
g setting correct?
Enable the automatic ESSID search function, or set the ESSID for the computer or access point and 
the projector so that they are the same.  sConnecting in Access Point Mode or Wired LAN 
Mode in the EasyMP Network Setup Guide
Has an identical WEP
g key been set?
If WEP is selected in the Security configuration menu, set the WEP key for the computer or 
access point and the projector to the same key. sConnecting in Access Point Mode or Wired 
LAN Mode in the EasyMP Network Setup Guide
Are the connection refusal functions of the 
access point, such as the MAC address
g and 
port restrictions, set correctly?
Set the projector connection permissions on the access point.
Have the IP address
g, subnet mask
g and 
gateway
g address for the access point and 
the projector been set correctly?
If not using DHCP
g, make all of the settings manually. 
sConnecting in Access Point Mode or Wired LAN Mode in the EasyMP Network Setup Guide
Have the same subnet masks been set for the 
access point and the projector?
Select Use IP connect mode in EMP NS Connection and connect using IP connect mode.
sIf No Connected Projectors Appear in the EasyMP Operation Guide
Check
Remedy
Is there an access point manufactured by 
BUFFALO operating nearby?
Ad hoc connection is not possible if there is a BUFFALO access point set to the same ESSID
g, 
operating nearby. Turn off the power to the Melco access point or select an ESSID different to that 
access point.
Check
Remedy 
						

							92
Problems SolvingUser’s Guide
 Network Screen images are not displayed or the speed is slow
 PowerPoint slideshows will not play back in Network Screen
 Keynote slideshows cannot be played back with Network Screen
Check
Remedy
Are you trying to watch a movie in the Media 
Player, or preview a screen saver?
Depending on the computer, the Media Player video area may not be displayed, or the screen saver 
preview may not be displayed correctly.
Are you connecting in wireless LAN access 
point mode or wired LAN connection mode?
When using Network Screen in access point mode or wired LAN connection mode, display speed 
falls compared to easy connect mode.
Are you using WEP
g encryption, or 
connecting to multiple projectors?
Display speed falls when WEP encryption or two or more connections are being used.
Are you using DHCP
g when in wireless LAN 
access point mode or wired LAN connection 
mode?
If DHCP is enabled when using access point mode or when connecting to a wired LAN, it will take 
some time for EasyMP to get to standby mode if it cannot locate a DHCP server to connect to.
Was EMP NS Connection started or was the 
resolution or number of colours changed 
while a movie was playing?
When playing a movie, start EMP NS Connection before starting movie playback. If you start the 
EMP NS Connection while a movie is being played back, or change the resolution and colour 
settings of the display after starting the movie, the movie will freeze. In such cases, do something to 
activate the window such as moving it, or minimizing and restoring it.
Check
Remedy
Are you trying to start Network Screen when 
PowerPoint is running?
Close the PowerPoint application before connecting with Network Screen. If you connect when 
PowerPoint is already running, you will not be able to project any slideshows.
Check
Remedy
Are you using a Mac OS X 10.2.x-based 
computer? 
Keynote slideshows  may not be displayed correctly with Mac OS X 10.2.x due to limitations of the 
operating system. Play back Keynote slideshows with Mac OS X 10.3.x or later.
For MacintoshFor WindowsFor Macintosh 
						

							93
Problems SolvingUser’s Guide
 Network Screen cannot be used
 When running Microsoft Office applications using Network Screen, the screen does not change as required
 Files do not work correctly with EMP SlideMaker2
Check
Remedy
Are you using a personal firewall?
Network Screen may be unusable when a personal firewall other than NS Protect is set up. 
Check
Remedy
Have you been moving the mouse constantly?
As long as the mouse cursor is moved, the screen does not change. Stop moving the mouse cursor 
when having trouble changing the screen.
Check
Remedy
Are you trying to use a PowerPoint (.ppt) file  
created in the PowerPoint 95/97 format?
Files that have been created using PowerPoint 95/97 or saved in PowerPoint 95/97 format cannot be 
edited using EMP SlideMaker2. Resave the file in PowerPoint 2000/2002/2003 format before using 
it. sFiles that Can be Included in Scenarios in the EasyMP Operation Guide
When PowerPoint files (.ppt) cannot be pasted 
into a scenario, or thumbnails cannot be 
displayed, has the Microsoft Office JPEG 
converter been installed?
Install the JPEG converter. For more information about Microsoft Office JPEG converter 
installation, refer to the documentation for the Microsoft Office.
For Windows 
						

							94
Problems SolvingUser’s Guide
 An error message is displayed 
Error messages from EMP NS Connection
Check
Remedy
Failed to connect to a projector.
Try to reconnect. If connection is still not possible, check the network settings at the computer and at 
the projector.
For details on EasyMP network settings: sEasyMP Network Setup Guide
Network settings are being made 
automatically.
If the computer has been set to use DHCP
g, it may take some time for the IP address
g to be set. If 
the IP address has not been determined within about 70 seconds after the message is displayed, an 
error message will be displayed. If this happens, try closing EMP NS Connection and then restarting 
it.
Projector detection error.
No connectable projector exists, or the 
projectors power is not turned on.
Carry out the following.
 Turn the power on for the projector, complete the projector preparation and then click the Search 
Again button.
 Check the projectors configuration setting for EasyMP.
 Check the security software settings for the computer, and cancel the port settings if the ports have 
been limited.
Incorrect keyword. Enter the keyword
displayed on the projector.
Check the keyword for the projector that is displayed in the EasyMP standby window, and enter that 
projectors keyword.
Select a connecting projector from the list.
Select the name of each projector for the connection, and click the Connect button.
sEasyMP Network Setup Guide
The selected projector is in use. Continue to 
connect?
You are attempting to connect to a projector already connected to another computer. 
Click Yes to connect to the projector. The connection between the projector and the other 
computer will be terminated. 
Click No to end the connection attempt to the projector. The connection to the other computer will 
not be affected.
Failed to initialize EMP NS Connection.
Uninstall and then reinstall EMP NS Connection. 
sIf You would like to Uninstall the EasyMP Software and Installing EasyMP Software in the 
EasyMP Network Setup Guide 
						

							95
Problems SolvingUser’s Guide
Communication error occurred. Do you want 
to retry connection?
A communication error occurred between the computer and the projector, and the connection was 
closed.
If you click the Yes button, a reconnection will be attempted. If the connection attempt is not 
successful, check the network settings at the computer and the EasyMP network settings at the 
projector.
For details on network settings: sEasyMP Network Setup Guide
If you click the No button, the connection will remain closed and the message window will close.
One of the projectors cannot be connected 
with the keyword entered.
The wrong keyword was entered when trying to connect to a projector with a projector keyword. 
Check EasyMP standby screen for the correct projector keyword. Terminate the connection, 
reconnect and enter the projector keyword on the displayed keyword input screen.
sConnecting the Computer and Projector via the Network in the EasyMP Network Setup Guide
Failed to obtain network adaptor information. 
Check network settings and restart.
Check the following:
 Is a network adapter installed in the computer ?
 Is the driver for the network adapter installed in the computer ?
After checking, restart the computer and try to connect. 
If connection is still not possible, check the followings. 
Check the network settings at the computer and the EasyMP network settings at the projector.
For details on network setting: sEasyMP Network Setup Guide
Some projectors do not support SXGA. 
Reduce resolution and retry.
One of the projectors you are connecting to is an EMP-735. Change the screen resolution of the 
computer to SXGA (1280 × 1024) or lower.
There is a projector not responding.
One or more projectors failed to connect when an attempt was made to connect simultaneously to 
multiple projectors. The successfully connected projectors can be used.
To connect to the projectors that failed to connect, terminate the connection and try again. If 
connection is still not possible, check the network settings at the computer and the EasyMP network 
settings at the projector.
For details on network settings: sEasyMP Network Setup Guide
Enter the keyword displayed on the projector.
Check the keyword for the projector that is displayed in the EasyMP standby screen, and enter that 
projectors keyword.
Check
Remedy 
						

							96
Problems SolvingUser’s Guide
If an error message not described above is displayed, refer to the EMP NS Connection help.
 Error messages from EMP SlideMaker2
Cannot find a projector of the specified IP address
g.
Check that Wired LAN connection mode or Access Point Mode (Wireless LAN) setting is being 
used in the EasyMP configuration settings for the projector to be connected. In the wireless LAN 
setting screen, change to Access Point Mode if it is set to Easy Connect Mode.
Next, check the IP Address setting in the Wired LAN - Basic or the Wireless LAN - Basic 
configuration menu, and specify that IP address when connecting in IP connection mode. sIf No 
Connected Projectors Appear in the EasyMP Operation Guide.
If connection is still not possible, check the network settings at the computer and the EasyMP 
network settings at the projector.
For details on network setting: sConnecting in Access Point Mode or Wired LAN Mode in the 
EasyMP Network Setup Guide
Image transfer slows if PC resolution is higher 
than XGA (1024 × 768 pxl.) Do you want to 
continue?
The display of the computer being connected to the projector is set to resolution higher than XGA 
(1024 × 768).
Clicking Yes connects the projector. However, the display speed of the projection screen will be 
slow.
Clicking No aborts the projector connection. To avoid slow display speeds on the projection 
screen, change the computer display settings to: XGA (1024 × 768) or lower.
Image transfer slows if screen color is more 
than 24 bits. NS Connection converts it to 16 
bits. Do you want to continue?
The display colours of the computer being connected to the projector is set to 24 bits or higher.
Clicking Yes connects the projector. However, the display will be in 16 bit colour.
Check
Remedy
**.SIT already registered.
(** is the scenario file name.)
It is not possible to add a scenario file name if it already exists in the Autorun Scenario List. 
sSending a Scenario in the EasyMP Operation Guide
Not enough disk space.
The drive to which a scenario is being sent has insufficient free space and the scenario cannot be 
sent. Delete unneeded files on the destination drive to free sufficient disk space to save the scenario 
on the drive.
Check
Remedy
For WindowsFor Windows 
						

							97
Problems SolvingUser’s Guide
Error messages from EMP Monitor
** contains an invalid path.
(** is the path name containing the scenario 
file.)
The path of the file to be opened could not be found. This could be for the following reasons.
 After the last time the scenario file was saved by EMP SlideMaker2, the file was moved to another 
folder.
 After the last time the scenario file was saved by EMP SlideMaker2, the folder name was changed.
 The desired scenario file has been deleted.
Open the desired scenario file by selecting File-Open, or search for the file using the Windows 
Search for Files or Folders function or other methods.
Disk full while accessing **.
(** is the path name including the scenario 
file)
The drive containing the scenario folder has insufficient free space, and could not save the scenario 
file. Delete unneeded files on the drive containing the scenario folder to free sufficient disk space 
allowing the scenario file to be saved.
Cannot open the proposed file.
The PowerPoint file to be added to the scenario is damaged or corrupted and cannot be used. Use a 
different PowerPoint file.
Change name or directory
A file or scenario folder of the same name already exists. Change the scenario name or the scenario 
folder name and try saving again.
Check
Remedy
The password is incorrect.
An incorrect password was entered. Enter the correct password. If you forget the password, check 
the Password for WEB control  setting in the Wired LAN - Basic or the Wireless LAN - 
Basic configuration menu.
Cannot connect to the projector of the IP address
g entered.
Check that Wired LAN Connect Mode or Access Point Mode (Wireless LAN) setting is being 
used in the EasyMP configuration settings for the projector to be connected. If Easy Connect 
Mode is selected in the Wireless LAN - Basic configuration menu, change the setting to 
Access Point Mode.
Next, check the IP Address setting in the Wired LAN - Basic or the Wireless LAN - Basic 
configuration menu, and specify that IP address when connecting in IP connection mode. 
sRegistration Using IP Address (Manual Registration) in the EMP Monitor Operation Guide
If connection is still not possible, check the network settings at the computer and the EasyMP 
network settings at the projector.
For details on network settings: sConnecting in Access Point Mode or Wired LAN Mode in the 
EasyMP Network Setup Guide
Check
Remedy 
						

							AppendicesThis chapter provides information on maintenance procedures to ensure the best level of performance from the projector.Maintenance ........................................................ 99
 Cleaning ............................................................................... 99 Cleaning the Projectors Surface ................................................ 99
 Cleaning the Lens ...................................................................... 99
 Cleaning the Air Filters and Air Intake Vent ............................. 99 Replacing Consumables....................................................100 Lamp Replacement Period....................................................... 100
 Replacing the Lamp ................................................................. 101
 Resetting the Lamp Operating Time........................................ 103
 Replacing the Air Filter ........................................................... 104
Saving a Users Logo ....................................... 105
Optional Accessories and Consumables ....... 108
 Optional Accessories ............................................................... 108
 Consumables............................................................................ 108
Glossary ............................................................ 109List of ESC/VP21 Commands........................... 113
 Command List .................................................................. 113
 USB connection ................................................................. 113
 USB Connection Setup ..................................................... 114
List of Supported Monitor Displays ................ 115
 Computer/RGB Video ..............................................................115
 Component Video/RGB Video .................................................115
 Composite Video/S-Video ........................................................115
Specifications .................................................... 116
Appearance........................................................ 118 
						

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User’s Guide
MaintenanceThis 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.
Clean the projectors surface 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 projectors surface. Then wipe it again 
with a soft, dry cloth.
Use a commercially-available air blower, or use a lens cleaning paper to 
gently wipe the lens.If dust collects on the air filter or the air outlet, it can cause the internal 
temperature of the projector to rise, and this can lead to problems with 
operation and shortening of the optical engines service life.
It is recommended that you clean these parts at least once every three 
months. Clean them more often than this if using the projector in 
particularly dusty environments.Cleaning the Projectors Surface
Cleaning the Lens
CAUTION
Be sure to read the separate Safety Instructions/World-Wide Warranty 
Terms before cleaning.
CAUTION
Do not use volatile substances such as wax, alcohol or thinner to 
clean the projectors surface. These can cause the projector to warp 
and make the coating finish peel off.
CAUTION
Do not rub the lens with harsh materials or subject the lens to shocks, 
as it can easily become damaged.
Cleaning the Air Filters and Air Intake Vent
TIP
If the air filters are broken or if the warning message reappears after 
they have been cleaned, they should be replaced. Replace with a new 
air filter. See Replacing the Air Filter. 
s
p.104