Canon MX520 series Online Manual page 17

Refer to "Printing with Google Cloud Print" for details.
Print Directly from iPad, iPhone, or iPod touch with Apple AirPrint
The machine is compatible with the AirPrint function of Apple iOS devices.
You can directly print e-mails, photos, web pages, etc. from iPad, iPhone, or iPod touch to the machine
over wireless LAN.
Refer to "Printing from AirPrint Compliant Device" for details.
Print Photos on Facebook Easily Using a Facebook App "Print Your Days"
Use Print Your Days to collect Facebook photos of memories of parties and travel, recent activity of your
family and friends, your hobbies, etc., then create and print a work of art.
Print Your Days is available from the Print Your Days Facebook page.