Epson C82378 Administrator's Manual page 248

The message "TCP/IP cannot be used." appears when you start
EpsonNet WinAssist.
Cause
TCP/IP is not installed in
the computer.
The computer's IP address
is not set correctly.
There is no DHCP server,
but DHCP is selected for the
Get IP address setting.
The message "Could not complete communicating
configuration data" appears when you send settings to the
network adapter.
Cause
This might happen when
using a dial-up router.
What to do
Install TCP/IP protocol.
Set the IP address for the computer.
Install a DHCP server, or change the
Get IP address settings in TCP/IP
menu.
What to do
Run Command Prompt from the
computer in which EpsonNet
WinAssist/MacAssist is installed, then
enter the following command;
Format: >ROUTE_ADD_the IP
address of the network adapter_ the IP
address of the computer (the under bar
represents one space)
Example: >ROUTE ADD
192.168.192.168 22.33.44.55.
Troubleshooting
15-2