Canon PIXMA MG7520 User Manual - Page 824

Cannot Detect the Machine during Wired LAN Setup: Check 1 Is the LAN cable connected, and are the machine and the router turned on? Make sure that the LAN cable is connected. Make sure that the machine is turned on. Confirming that the Power Is On Make sure that the router is turned on. If the LAN cable is connected and the machine or the network device is turned off: Turn on the machine or the network device. After turning on the machine or the network device, it may take some time until ready for use. After a while just turning on the machine or the network device, click Redetect on the Check Printer Settings screen. When the machine is detected, follow the instructions on the screen to continue to set up the network communication. If the LAN cable is connected and the machine and the network device are turned on: If the machine could not be detected after clicking Redetect even when the machine and the network device are turned on, or when you have turned them on, go to check 2. Cannot Detect the Machine during Wired LAN Setup: Check 2 824