Printers
What printers work best with an iPad? Easy setup
iPad Air, iOS 11
Question marked as
Any printer that supports "AirPrint" should work great.
Here's a fairly comprehensive list, but AirPrint is something that would be advertised on the front of the box of a new printer in the store.
https://support.apple.com/en-us/HT201311
The vast majority of new model wireless consumer-oriented printers these days do support AirPrint.