Zebra ZT421 RFID image

Zebra ZT421
Industrial Printers

Powered by Link-OS technology, the Zebra ZT421 Industrial Printer offer reliable performance and a range of advanced features suitable for many different uses.

The ZT421 printer is part of the ZT400 series, a line of industrial printers known for their robust performance and versatility. It comes equipped with a generous 256 MB SDRAM memory,

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Rugged Design

Designed for durable, reliable printing in tough environments, the metal frame and bi-fold metal media cover ensure the structural integrity of the ZT421.

Exceptional Performance

Produce prints quickly, the ZT421 printer can achieve a top printing speed of 12 inches per second (ips).

Wireless Connectivity

Equipped with Bluetooth connectivity, and the ZT421 connect to wireless networks using the 802.11ac standard.

Designed to Last

Designed to last, this ZT421 offers versatile print methods, including thermal transfer and direct thermal printing.

Zebra ZT421 RFID printer with paper loaded

Zebra ZT421 Photo Gallery

Multi-functional Mobile Solutions


Comes with Ethernet, Serial, USB, dual USB Host, and Bluetooth 4.1 connectivity options provide versatility, efficiency, compatibility, and convenience.


Easy media and ribbon loading, inserting and replacing printing materials (such as paper or label rolls) and ribbons into the ZT421 is straightforward and easy to accomplish.


Features an adjustable dual media sensors, both transmissive and reflective, provides users with the ability to fine-tune their printer to handle a wide range of media types.

Field Service

Offering both a clear visual window for inspecting the printer's interior and bi-colored LEDs that provide immediate feedback on its status during printing operations.


An ENERGY STAR qualified device typically consumes less energy during operation, and ZT421 it can print at a resolution of 203 dots per inch (dpi) or 8 dots per millimeter (mm).

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Designed to work effectively in environments with a humidity range of 20% to 85% without experiencing moisture-related issues. The ZT421 printhead is made using a thin film technology.

Power + Resilience

Optimize your workflow with the Zebra ZT421.

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