There are a few factors to consider when your Canon mg3600 setup was not successful. Simply follow the solutions that have been provided to you below.

Reconnect the Internet to see if it fixes the problem. The Internet did not always connect with the device owing to natural factors.
You must double-check that you are using the right password. The majority of people made a mistake were and now have a Canon printer that won’t connect to wifi.

How To Do Canon MG3600 Setup?