Using the installer and re-set up in a different connection method.
Setting up from the website
Access the following website, and then enter the product name. Go to Setup, and then start setting up.
Setting up using the software disc (only for the models that come with a software disc and users with Windows computers with disc drives.)
Insert the software disc into the computer, and then follow the on-screen instructions.
Follow the on-screen instructions until the following screen is displayed.
Select Change connection method for printer (for new network router or changing USB to network, etc.) on the Select Your Operation screen, and then click Next.
Select Connect via wireless network (Wi-Fi), and then click Next.
Follow the on-screen instructions.