How to set up my pixMA MG3220 to AirPrint if I don't have a computer?

I only have an iPad, iPhone and iPod. I don't have an actual computer so how would I set up AirPrint. Do I just hook the printer up to the router and it should see it on my apple items?

The bottom one will show you what to do:

http://www.usa.canon.com/...cure=false