How do I AirPrint on an iPhone 11?

1. Make sure that you have an AirPrint capable Printer
2. Ensure that your AirPrint Capable Printer and your iPhone are on the same Wi-Fi Network
3. Open Photos app and Locate your screen shot OR take a screen shot
4. Select the Share option (Top Right)
5. Choose Print : If points 1 & 2 are met (above) then you will be given an option to print to your printer.
6. Print the Photo OR the Screen Shot.

Axel F.

Assuming you want to print from the photos app, select the screenshot, go to the share menu, and then scroll down to the bottom where you see print.

You then need to select the printer. That will only be possible if there is a correctly set up air printer on the network.