If you’ve an AirPrint-enabled printer, you’ll be able to wirelessly print from your iPhone. You can find a list of compatible printers on Apple’s website. If the printer is on the same wireless network, your iPhone will automatically detect it.
Using this feature, you can print from the Photos, Safari, or Mail apps.
Press the share icon and then select Print to bring up a list of printers. Tap Print again to begin printing.
Once the document has started to print, Print Center will show up in the multitasking view. Open the App Switcher and you’ll see it.
Tap the icon or screenshot and it will show you the print queue. From there, cancel any items that are about to be printed.
Once everything has finished printing, the Print Center option will disappear.