Can you provide a little (well alot) more information please.
What is the make and model of the print server.
How is it connected to your network.
What OS are you running on your PC(s).
I don't understand what you mean by setting up the ports (on the PC or on the print server itself?)
When setting up printers on your PC(s) are you configuring as network printers, local printers through TCP/IP ports .....