laser printer compatibility
2009 iMac - need advice re best compatible colour laser. Currently using Epson Workforce Pro WF-4720 inkjet (initial connection issue, but now OK) connected by hardwire and not Ethernet;
iPhone SE, iOS 15
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Hi,
Every colour laser printer model listed in the article About AirPrint - Apple Support should be compatible without additional drivers, provided that the printer and the computer are connected to the same network (Wi-Fi router). AirPrint works with wireless (Wi-Fi) or wired (Ethernet) network connections.
AirPrint as such would work with macOS 10.12 Sierra (the section where this has been posted), but extra software (for example, for setup and ink management purposes) from a printer manufacturer may require a later operating system.
When AirPrint is not used, a USB connection would require software from the printer manufacturer. So, for USB, you will have to ensure that suitable drivers are available.
If you do not have a Wi-Fi network (for AirPrint), you could create a local one for printing purposes by using almost any old Wi-Fi router. This router does not necessarily have to be connected to the Internet.
By the way, the Epson WF-4720 inkjet printer is listed in the aforementioned About AirPrint article as a model supporting the driverless AirPrint technology.
AirPrint also allows printing from iPhones and iPads.
Use AirPrint to print from your iPhone or iPad - Apple Support