Make sure your printer supports AirPrint or the printer’s app
Connect your iPhone and printer to the same Wi-Fi network
Open the app with the item you want to print
Tap the Share button or the More button
Tap Print
Tap Select Printer
Choose your printer
Adjust print options if needed
Tap Print
If using a printer app, install the app from the App Store and follow its setup steps
If the printer does not appear, restart the printer, iPhone, and Wi-Fi router
Check that AirPrint is enabled on the printer
Update iPhone and printer firmware if needed