How to add a printer?

Mac 10.9

• Open a browser and go to http://localhost:631

• If a error is displayed, open a terminal and run the command
  • # cupsctl

    WebInterface

    =yes

• Administration -> Add Printer -> Internet Printing Protocol (http)-> Continue

• In the Connection box add, "http://print.lip.pt:631/printers/name_of_the_queue"