Hawking Technology PS12U - Manual (Page 22)

assigned to the Print Server in the Printer Name or IP Address
box and Click Next.
The port name can be changed (i.e., IP_One, IP_Two, IP_Three)
accordingly if you have a 3-port print server. So you can add a
second port to the second printer, etc.
6. In the Add Standard TCP/IP Printer Port Wizard box as
shown in the following picture, Select Custom and Click on the
Settings button. Once finished, click Next.