Epson 802.11g Reference Manual page 268

Cause
NetWare is set to Enable
even though you are not
using NetWare.
The network interface cannot roam around the access point.
Cause
The AP Density is not
properly set.
The WEP Key entered is not displayed in the field.
Cause
The WEP Key disappears
after the network interface is
configured.
The network interface does not appear in the EpsonNet Config
list view.
Cause
268
What to do
Set NetWare to Disable on the NetWare
screen of EpsonNet Config with Web
Browser.
What to do
Change the AP Density in the Network
Detailed dialog box.
What to do
Do not forget the WEP Key (1 to 4) you
have set.
What to do