How to add printer to use to print from my iPhone?

As long as the Printer is AirPrint compatible and the iPhone is connected to the same wi-fi as the printer, then you are set.

Just open the Print option in any App that can print and the Printer should appear as an option.

See here for details: link-> Use AirPrint to print from your iPhone, iPad, or iPod touch - Apple Support

And here for a list of compatible printers: link-> About AirPrint - Apple Support

First thing that you will need to ensure is that your printer is AirPrint compatible. This is generally mentioned in the manual of the printer. If your printer is AirPrint compatible, then you can follow the guidelines in this article published by Apple ➔ How to use AirPrint to print from your iPhone.

Axel F.