Whether your printer is AirPrint compatible, connected to your computer over a network, or just has a USB connection, this article will show you how to print from an iPhone.
How to Print from iPhone
AirPrint is Apple's Wi-Fi printing technology used to print from the iPad and iPhone. Follow these steps to print directly from an iPhone using AirPrint:
While the document you want to print is on the screen, tap the Share button.
Scroll down and tap Print.