Zebra ZD421 product right facing display

Zebra ZD421
4-inch Desktop Printers

The Zebra ZD421 Desktop Printer introduces unparalleled connectivity options, seamlessly integrating into your operational infrastructure by effortlessly connecting to existing wired and wireless networks.

With standard USB and USB Host capabilities, along with optional Ethernet, Serial, and dual wireless radio featuring high-speed 802.11ac Wi-Fi™ and Bluetooth® 4.1, ensures a flexible and efficient integration experience.

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The ZD421 keeps it simple with a 3-button interface and 5 clear status icons for easy user interaction.


Features a Real-Time Clock (RTC) and seamless integration with the Link-OS operating system, ensuring precise timekeeping and efficient communication for enhanced performance.


With built-in USB and USB Host capabilities, while providing optional connectivity options such as Ethernet, Serial, and a dual wireless radio equipped with rapid 802.11ac Wi-Fi™ and Bluetooth® 4.1


Featuring a dual-wall frame construction and OpenACCESS™ design, the ZD421 ensures effortless media loading, providing a sturdy and accessible framework for seamless operation.

Zebra ZD421 desktop printer product right facing display

Zebra ZD421 Photo Gallery

Grey Zebra ZD421 Wifi Wireless Desktop Printer facing right
Zebra ZD421 Wi-Fi Wireless Desktop Printer with the ribbon loaded facing right

Multi-functional Mobile Solutions

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Equipped with full-width, adjustable reflective/black mark sensors and multi-position transmissive/gap sensors, the Zebra ZD421 ensures accurate media detection and versatility for various printing needs.

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With a maximum print speed of 6 inches (152 mm) per second at 203 dpi and 4 inches (102 mm) per second at 300 dpi, the ZD421 delivers swift and high-resolution printing capabilities to meet diverse requirements.

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Field Service

Equipped with a Real-Time Clock (RTC) for precise timekeeping, ZD421 offers flexible print methods, supporting both Thermal Transfer and Direct Thermal.

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The Zebra ZD421 features a dual-wall frame construction and OpenACCESS™ design, ensuring straightforward media loading with a sturdy and accessible structure.

Power + Resilience

Optimize your workflow with the Zebra ZD421.

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