Zebra ZD421 label printer Thermal transfer 203 x 203 DPI 305 mm/sec Wired & Wireless Ethernet LAN Bluetooth

Keep critical operations running with the Zebra ZT400 Series industrial printers. The ZT400 delivers versatile, reliable thermal printing in 4 in. and 6 in. models with 203, 300 and 600 dpi options (600 dpi available on the 4 in. ZT411 only). Field- or factory-installable RFID lets you print and encode RFID labels for improved tracking, including the ZT411 RFID On-metal Tagging Solution for thicker RFID labels used on metal assets. A large color touch display shows printer status at a glance and simplifies configuration, while Zebra’s Print DNA and Link-OS provide integration and management tools for IT teams.

Advantages

The ZT400 Series combines multiple print resolutions and widths to cover diverse applications across manufacturing, transportation and logistics, and retail. Dual USB Host ports enable direct connection of peripherals such as scanners, keyboards or USB drives for firmware and file transfer. Modular media handling and connectivity options can be installed in minutes to adapt the printer as needs evolve. Standard connectivity includes Ethernet, Serial, USB, dual USB Host and Bluetooth 4.1, with an optional dual-band 802.11ac Wi‑Fi/Bluetooth card for fast wireless links. The 4.3-inch full-color touch display offers an intuitive icon-based interface for quick access to settings.

Key specifications

• Print widths: 4 in. and 6 in.
• Print resolutions: 203 dpi, 300 dpi, 600 dpi* (600 dpi on 4 in. ZT411 only)
• RFID: factory- or field-installable RFID options; ZT411 On-metal Tagging Solution available
• Connectivity: Ethernet, Serial, USB, dual USB Host, Bluetooth 4.1; optional dual-band 802.11ac Wi‑Fi/Bluetooth
• Display: 4.3-inch full-color touch display with icon-based interface
• Expandability: two open media slots and modular media handling options

How to use

Install media and, if required, fit factory- or field-installable RFID modules following the manufacturer instructions. Connect the printer via Ethernet, USB, serial or Bluetooth and use the 4.3-inch color touch display to navigate settings and select print parameters. Use the dual USB Host ports to attach scanners, keyboards or USB drives for firmware updates, file transfers and simplified data entry. For wireless operation, install the optional 802.11ac dual-band card and configure network settings through the display or Zebra management tools.

Recommendations

Choose the ZT400 model and print resolution that match your label detail and speed requirements; add RFID and the On-metal Tagging Solution when tracking of metal assets or thicker RFID labels is needed. Use dual USB Host ports to streamline peripheral connectivity and leverage Print DNA tools for easier integration and device management.