Epson Projector Emp 750 User Manual

90
Problems SolvingUser’s Guide
 EMP NS Connection starts, bu t a projector is not found
Check
Remedy
Is the wireless or wired LAN card inserted?
Check that the wireless or wired LAN card is correct ly 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 correc tly. If it is not connected or is connected 
incorrectly, reconnect it.
Is the access lamp of  the wireless LAN card 
that is...

91
Problems SolvingUser’s Guide
 Connection cannot be estab lished in access point mode or wired LAN connection mode
 Connection is not possibl e in easy connection mode ( ad hoc mode
g)
Is the computers radi o wave setting for the 
wireless LAN set to  low-intensity?
Change the radio wave setting to  the highest possible intensity.
Is the LAN card you are using 802.11g or 
802.11b compliant?
Only 802.11g or 802.11b compliant eq uipment can be used. You cannot use equipment conforming 
to any other...

92
Problems SolvingUser’s Guide
 Network Screen images are not di splayed 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 using  WEP
g encryption, or 
connecting to...

93
Problems SolvingUser’s Guide
 Network Screen cannot be used
 When running Microsoft Of fice applications using Network Scre en, the screen does not change as required
 Files do not work correc tly 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...

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 connect ion is still not possible, check the network setti ngs 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...

95
Problems SolvingUser’s Guide
Communication error occu
rred. Do you want 
to retry connection?
A communication error occurred between the comput er and the projector, and the connection was 
closed.
If you click the Yes button, a re connection will be attempted. If the connection attempt is not 
successful, check the network settings at the co mputer and the EasyMP network settings at the 
projector.
For details on network settings:  sEasyMP Network Setup Guide
If you click the No button, the c...

96
Problems SolvingUser’s Guide
If an error message not described above is di splayed, 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 connecti on mode or Access Point Mode (W ireless LAN) setting is being 
used in the EasyMP configuration settings for the  projector to be connected. In the wireless LAN 
setting screen, change to A ccess Point Mode if it is set to Easy Connect Mode.
Next, check the IP...

97
Problems SolvingUser’s Guide
Error messages from EMP Monitor
** contains an invalid path.
(** is the path name c ontaining 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 save d by EMP SlideMaker2, the folder name was changed.
 The desired scenario file has been deleted.
Open the...

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...

99
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 wi ping it gently with a soft cloth.
If the projector is particularly  dirty, moisten the cloth with water 
containing a small amount of neutral de tergent, and then firmly wring the 
cloth dry before using it to wipe the...