Canon MX720 Series Online Manual page 33

Cannot Detect the Machine with the Wireless LAN: Check 1
Are the machine and network device (router, access point, etc.) turned on?
Make sure that the machine is turned on.
Confirming that the Power Is On
Make sure that the network device (router, access point, etc.) is turned on.
If 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 machine and the network device are turned on:
If the machine and the network device are turned on or if the machine could not be detected after clicking
Redetect, go to check 2.
Cannot Detect the Machine with the Wireless LAN: Check 2