How to AirPrint a document?
To AirPrint a document, please follow the steps below:
1. Tap on the "Settings" button in the upper left corner.
2. Tap on "Services"
3. Choose the "Print" option.
4. Select the file you need, and press the "Print" button at the bottom.
5. Select a printer that supports AirPrint. Then, press "Print."