Firstly switch on the printer and press and hold the wifi button till you observe the light starts blinking make sure there is the blue light that will blink.
The next step for the canon pixma ip2820 wireless setup is to press the WPS button on your access point within two minutes as you will notice the blue light will start accessing it.
The next is that you will notice that once it connects to the access point and the power the wifi will flash.
After you are done with the above step now you need to try to run the print test on your network settings of the printer.
Insert the sheet of paper in the tray for the canon pixma ip 2820 wireless setup process.
Now you need to long-press and maintain the cancel button till the lamp flashes and then release it.
You will notice now that your printer will print the network information page which means that the installation of the printer is complete.
Lastly, you need to run the print test if all goes well then you are done with the wireless printer setup.