Print from iPhone
Use AirPrint to print wirelessly to an AirPrint-enabled printer from apps such as Mail, Photos, and Safari. Many apps available on the App Store also support AirPrint.
iPhone and the printer must be on the same Wi-Fi network. See the Apple Support article About AirPrint.
See the status of a print job
Open the App Switcher, then tap Print Center.
The badge on the icon shows how many documents are in the queue.
To cancel a print job, select it in Print Center, then tap Cancel Printing.
Print a document
Tap 
, 
, or 
(depending on the app you’re using), then tap Print. (Swipe up if you don’t see Print.)