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 the network connection that you want to use, Connect via wireless network (Wi-Fi) or Connect via wired LAN (Ethernet), and then click Next.
The displayed connection method differs depending on the model.
Follow the on-screen instructions.