Canon MX720 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
Print Easily by Sending an E-mail from a Computer or Smartphone
Print from E-mail allows you to print attachment files easily. You only attach a picture or a document from
your computer or smartphone and send the e-mail with the attached file.
You can print simply from outside like a travel destination. Also, your family or friends can print by
registering beforehand.
You can use Print from E-mail on any Canon printer that supports the service.
Refer to "How to Use Print from
Device" for details.
E-mail" for details.