Innovative time-saving ribbon cartridge for fool-proof loading If you need fast 4-inch thermal printers that are easy to use, easy to deploy and easy to manage, then choose the ZD420. Daily operation couldn''t be simpler, thanks to a new ribbon cartridge with more status icons. With virtually every modern wired and wireless connectivity option, and support for many printer languages, deployment is always fast and easy. Add new connectivity and media handling options whenever you need them, right on site. And, cloud-based Link-OS drives management time down and return on investment up. Use the ZD420 thermal printers when ease of use, flexibility and management simplicity matter.