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Zebra ZT421

Industrial printers with advanced technology, versatility, and ease of use 

The Zebra ZT421 Series printers operate with efficiency and versatility while being simple to use. These printers are available in 3 different printing resolutions and 2 printing widths.

Zebra ZT400 Series printers operate with efficiency and versatility while being simple to use

The Zebra ZT421 is a direct thermal and thermal transfer printer with a 4.3-inch full-color touch display. The ZT421 has an intuitive interface and is constructed with an all-metal frame with bi-fold doors. The ZT421 is designed with the Link-OS operating system, providing easy management of all printers from a single location. Built with a USB host port, the Zebra ZT421 can connect to external devices such as keyboards and scanners.

The ZT421 is an industrial printer, able to operate in temperatures from 40º to 140ºF. The ZT421 comes standard with a Serial, Ethernet, dual USB Host, and Bluetooth connectivity options; and two open media slots allow you to add Parallel, Ethernet, applicator interface cards, and more. The ZT421 also has a print width of 6 inches and can print up to 12 inches per second.

The ENERGY STAR qualified Zebra ZT421 is designed with technology that makes for an exceptionally simple and easy to manage desktop printer. This printer is ideal for various locations due to its flexibility, and high-resolution printing. The ZT421 is a great option for government environments, retail, healthcare, transportation and logistics, and light manufacturing work centers.

  • Thermal transfer and direct thermal printing
  • Thin-film printhead with E3™ Element
  • Energy™ Equalizer for superior print quality
  • Print speeds per second up to 12″
  • USB 2.0, high speed
  • RS-232 Serial
  • Bluetooth® 4.1 (including Apple®)
  • Dual USB Host
  • Dual media sensors — transmissive and reflective
  • 4.3-inch color touch display
  • ARM Cortex A7 processor
  • 256 MB RAM memory (8 MB User Available)
  • 512 MB Flash memory (64 MB User Available)
  • Print Touch™ application
  • Link-OS®-enabled
  • Auto-switching 100-240V power supply
  • ENERGY STAR® qualified
  • Printhead 203 dpi (8 dots / mm)
  • Printhead 300 dpi (12 dots / mm)
  • Fully integrated ThingMagic® UHF EPC Gen 2 V2.0/ISO 18000-63 RFID Reader / Encoder


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To determine the best product for your business or request a demo please contact technical support.

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For more information about this product, please contact a technical expert at 866-724-6257 or