There are several people facing the issue related to Canon G7020 support code 5200 and to do that, you need to start by cleaning the print head. For this, start by switching off the Canon printer and lift the cover and remove ink cartridge and print head. Now, clean the debris on print head and replace it back to the original position. Lastly, switch on your Canon printer and check whether the Canon printer is resolved or not. It is advisable to follow the steps properly to not to encounter with such issues again. Users can even check out the user manual or official website to get the related information.