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Introduction
This section introduces the award winning Zebra® Link-OS 4-inch desktop thermal label
printers, the ZD620 and ZD420. It has an overview of the Link-OS printer’s features and
options, and what ships with your new printer.
This document covers the following ZD-series desktop printer models:
• ZD620 Thermal Transfer Printer — www.zebra.com/zd620t-info
• ZD620 Direct Thermal Printer — www.zebra.com/zd620d-info
• ZD420 Thermal Transfer Ribbon Cartridge Printer — www.zebra.com/zd420c-info
• ZD420 Thermal Transfer Printer — www.zebra.com/zd420t-info
• ZD420 Direct Thermal Printer — www.zebra.com/zd420d-info
Link-OS 4 inch Desktop Thermal Printers
The Zebra® Link-OS 4 inch Desktop printers are compact label printers with a wide range
of features and options.
• Direct Thermal and Thermal Transfer printer models available.
• Includes ZD420 Healthcare printer models with plastics that withstand common
hospital cleaning chemicals and include a medical grade power supply.
• ZD620 printers can support printing speeds* up to 203.4 mm/s per second (8 ips -
inches per second) for 203 dpi (dots per inch print density) printers and
152.4 mm/s (6 ips) for 300 dpi version printers.
• ZD420 printers can support printing speeds* up to 152.4 mm/s per second (6 ips)
for 203 dpi printers and 101.6 mm/s (4 ips) for 300 dpi version printers.
• These printers support ZPL™ and EPL Zebra printer programming languages and
a wide variety of other printer control languages via Link-OS Virtual Devices.
* -Maximum print speeds vary by model, print resolution, and the type of media in use.