D-Link 301P - DP Print Server Manual page 130

For set up IPP Printing:
1. Enter the IP address of the print server to which the printer is attached in
Address field. After that, type
second port is enabled.
2. Type the port name in queue field.
Click Add button after done the section of printer model in the Print Using
drop-down menu.
": 80" ": second port"
or
126
if print server's