1. ZD421 and ZD621 Series Desktop Printers User Guide
  2. Introduction
  3. Link-OS 4 inch Desktop Thermal Printers
  • ZD421 and ZD621 Desktop Printers User Guide
Link-OS 4 inch Desktop Thermal Printers

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.
  • Both Direct Thermal and Thermal Transfer printer models are available.
  • This printer series includes healthcare printer models engineered with plastics that can withstand routinely-used hospital cleaning chemicals. They ship with a medical-grade power supply.
  • ZD421 printers support printing speeds* of:
    • up to 152 mm per second (6 ips) for 203 dpi printers.
    • up to 102 mm per second (4 ips) for 300 dpi printers.
  • ZD621 printers support printing speeds* of:
    • up to 203 mm/s per second (8 ips or inches per second) for 203 dpi (dots per inch print density) printers
    • up to 152 mm/s (6 ips) for 300 dpi version printers.
  • Used with Link-OS virtual devices, these printers support both ZPL and EPL Zebra printer programming languages and a wide variety of other printer-control languages.
* Maximum print speeds vary by model, print resolution, and the type of media being used.