Zebra ZT421 6-Inch Industrial Label Printer


Overview

The Zebra ZT421 is a powerful 6‑inch industrial printer designed for high‑volume labelling in manufacturing, warehousing, logistics and retail distribution. Its wide print capability, durable metal construction and support for both thermal transfer and direct thermal printing make it ideal for large shipping labels, compliance labelling and applications requiring greater data visibility.

A 4.3‑inch colour touchscreen simplifies setup and daily operation, while standard USB, Serial, Ethernet and Bluetooth connectivity ensure easy integration into existing systems. With optional Wi‑Fi, RFID and advanced media‑handling configurations, the ZT421 provides scalable, reliable performance for demanding industrial workflows.

 

Key Features
• Thermal transfer and direct thermal printing options
• Durable metal construction for industrial environments
• Wide print capability up to 6.6" (168 mm)
• Available in 203 dpi and 300 dpi resolutions
• Print speeds up to 12 inches per second
• 4.3" full-colour touchscreen with intuitive interface
• USB, RS-232 serial, Ethernet and Bluetooth connectivity as standard
• Dual USB Host ports for added connectivity
• E3™ Element Energy Equalizer for consistent print quality
• Supports a wide range of media types including continuous, die-cut and black mark
• Expandable with optional Wi-Fi, RFID and advanced media handling solutions
• RFID options available

Other Printer Options
• ZT421 Label Printer – 300 dpi – Serial, USB, 10/100 Ethernet, Bluetooth 4.1/MFi
• ZT421 Label Printer – 203 dpi – Serial, USB, 10/100 Ethernet, Bluetooth 4.1/MFi
• ZT421 Label Printer – 203 dpi, Wi-Fi 6 – Serial, USB, 10/100 Ethernet, Bluetooth 5.3/MFi, USB Host, Wi-Fi 6 802.11 AX
• ZT421 Label Printer – 203 dpi, Cutter w/ Catch Tray – Serial, USB, 10/100 Ethernet, Bluetooth 4.1/MFi
• ZT421 Label Printer – 203 dpi, Peel w/ Full Rewind – Serial, USB, 10/100 Ethernet, Bluetooth 4.1/MFi
• ZT421 Label Printer – 300 dpi, Peel w/ Full Rewind – Serial, USB, 10/100 Ethernet, Bluetooth 4.1/MFi
• ZT421 Label Printer – 300 dpi, Cutter w/ Catch Tray – Serial, USB, 10/100 Ethernet, Bluetooth 4.1/MFi
• ZT421R RFID 6 inch Industrial Label Printer/Encoder

Typical Applications
• Large-format shipping and logistics labelling
• Warehouse inventory and pallet labelling
• Manufacturing and compliance labelling
• Product identification and serial labelling
• Retail distribution and back-of-store operations
• Healthcare and asset tracking applications

Related SKUs
• ZT42163-T0E0000Z
• ZT42162-T0E0000Z
• ZT42162-T0EG000Z
• ZT42162-T2E0000Z
• ZT42162-T4E0000Z
• ZT42163-T4E0000Z
• ZT42163-T2E0000Z