Vice News has a roundup of 4-Port USB 2, USB 2-port printers, USB printer and USB 3-port printer.
USB 3 is a common USB 2 port type, while USB 2 is a type of USB 3 port that requires two different cables to connect to the computer.
If you’re looking for a USB 2 printer, look for the Intel-based version.
USB 2 and USB 2 printers work the same way, and there’s a standard adapter that plugs into the USB port.
USB ports in laptops are the best-equipped to make USB 3 connections, and it’s common to find adapters that work on laptops, too.