The ZD421 is based on Zebra's GK series printers and offers features inherited from its predecessor, along with many entirely new capabilities. The next generation ZD421 leverages past expertise to provide advanced features with new intelligence and future-oriented flexibility.

The ZD421 is user-friendly and efficient. It is equipped with advanced functionalities that set it apart from the competition. It features an intuitive user interface, a powerful architecture, and a wireless package that can be updated on-site. Additionally, it includes a new media guide and a media handling designer that make daily use even simpler. The ZD421 is designed to support advanced technologies for many years to come. Thanks to its innovative architecture, it is built to meet future printing needs. This allows you to perform multiple tasks, carry out several operations simultaneously, maintain security, and be ready for anything. Backward compatible with nearly all current printers, you can reliably integrate the ZD421 into your existing printer fleet. You can use the same label formats and applications as before. It supports both EPL and ZPL printer languages and emulates languages typically associated with other printer brands using Zebra's Print DNA tool, Virtual Devices.