Once your Printer is prepared for “123.hp.com/setup”, configure it successfully on your Internet Network. This means you must connect it to an Internet Connection that you use for your Computer/ Laptop etc. Now, this connection can be established either through a Wired Network or Wirelessly. Furthermore, you can directly hook up the Printer to the Computer using a USB Cable. This decision will primarily depend upon your HP Printer’s Model Number, Router’s Infrastructure, and Computer. As such, determine the Connection possibilities of your Devices and ensure your Printer is properly hooked up.