All in one laser printer

Any of the all-in-one color laser printers listed in this Apple document would be compatible: About AirPrint - Apple Support

So do your due diligence regarding price, performance and options and check with that document before purchasing.

I have a Brother MFC-L8900CDW color laser AIO, seems to work well. We print about 2000 pages a month or so and it has never had any major problems in the 4-5 years we have had it. Works find on Big Sur and support Air Print.

I used to work for HP in the printer division but decided to switch as HP has gone down the tubes over the years.

Welcome to the Apple Support Communities.

I like HP and Brother printers. Look for something that has AirPrint compatibility.

Jack