Canon i-SENSYS MF729Cx Important Safety Instructions And Installation Manual page 759

Installation of the drivers is complete.
If you cannot confirm that the machine and computer are connected
The screen below may appear in instances such as when it took time to connect the machine with a computer via
USB cable. Turn OFF the machine, reconnect the cable, and then turn ON the machine again.
Wired/Wireless LAN Connection
1
Select [Network Connection], and click [Next].
2
When the following screen appears, click [Yes].