Epson TM-T88V-DT User Manual page 22

For TM-i Firmware Ver.3.x or earlier
Item
Server Direct Print
ID
Password
URL
Interval(s)
4
When using the proxy server, select [System Settings] - [Proxy].
5
The "Proxy" screen appears. Set the following items, then click [Apply].
Proxy URL and Port Number
ID
Password
Enable Proxy for
following services
22
Select the [Enable].
Set ID for the server-side program to identify TM-i. This ID becomes
the user ID used for Digest access authentication. The set value will
also be passed as an ID parameter value for the form data posted
to the server.
Not required for the sample program.
Set your password used for Digest access authentication.
Not required for the sample program.
Specify the Test_print.php address of the Web server.
Example: http://[IP address of Web server]/Test_print.php
Click the [Access Test] button to check if the address is accessible.
Set the request interval.
Request interval refers to the interval between the end of the
previous communication and the start of the next communication.
Item
Enter the proxy server URL and port number in the following:
"http://host name: port number".
Example: http://10.0.0.1:8008
Registers the proxy authentication ID.
Registers the proxyauthentication password.
Automatic Sets whether the proxy is used for automatic update of Web
Update contents.
Direct Print Sets whether the proxy is used for Server Direct Print.
Status 
Sets whether the proxy is used for Status Notification.
Notification
Description
Description