Canon PIXMA MG7520 User Manual - Page 823

Cannot Detect the Machine during Wireless LAN Setup: Check 6 Check the settings of the access point. Check the settings of the access point for the network connection such as IP address filtering, MAC address filtering, or DHCP function. Make sure that the radio channel of the access point and that assigned to the machine are the same. For details on how to check the settings of the access point, refer to the instruction manual supplied with the access point or contact its manufacturer. After checking the settings of the access point, 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 problem is not resolved, select the Set up the network connection via USB check box on the Check Printer Settings screen and click Next to set up the network communication via USB. 823