Steps for Canon TS3322 wireless setup are-

You must first locate the WPS on the external printer's panel.  For a few seconds, press the button down.  Release the button when a white light starts flashing and its color changes to a blue color.  The light change indicates that the gadget is in configuration Mode. Click on the one you're using to scan for nearby Wifi access. Input and hit enter the password and SSID etc. When the light stabilizes, the network has been linked. 

Check the process for Canon MG2522 wireless setup.