Using the installer and re-set up in a different connection method.
Access the following website, and then enter the product name. Go to Setup, and then start setting up.
Follow the instructions in each window. On the Select Install Option screen, select Set up Scanner connection again (for new network router or changing USB to network, etc.) , and then click Next.
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.
Follow the on-screen instructions to finish setup.