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ZEBRA AIT,ZD6A043-D01L01EZ PRINTER, ZD621, DIRECT THERMAL, 300 DPI, USB, USB HOST, ETHERNET, SERIAL, 802.11AC, BT4, USA/CANADA, US CORD, EZPL

Delivery Time: 0-3 days
Product Highlights
  • Overview
  • Specifications
  • FAQ
  • User Guides

Don't Compromise

Invest in the best with the 4-inch ZD621 premium desktop printer. Advancing the legacy of the GX Series and ZD500 printers, the 4-inch ZD621 premium desktop printer is built to perform flawlessly – day in and day out. Get it all: an innovative new architecture to power evolving printer capabilities, an optional full-color touch display, optional RFID and healthcare models, unmatched security, added communication and media-handling options, enhanced remote management and more. Easy to operate. Flexible features. Ready for tomorrow.

Sophisticated, Yet Simple

The ZD621 gives you the premium features and performance you need in a compact, easy-to-use desktop printer. Featuring Zebra's exclusive Print DNA software suite, it's simple to install, operate, manage and maintain – onsite or remotely. Multiple models support nearly every use case, including healthcare.

Keeps You Ahead of Tomorrow's Technology

Technology is constantly and rapidly advancing. Replacing outdated equipment is costly. Be ready for what's next with the ZD621 – engineered to evolve. It includes a more intuitive user interface, optional full-color touch display, field-upgradeable wireless kit and innovative new architecture to power ever-expanding printer capabilities and Print DNA software apps.

Transform with RFID

Implement RFID without complication from a partner with decades of experience and a broad RFID portfolio. The ZD621R delivers premium printing and encoding in a compact desktop footprint. Featuring Zebra's exclusive RE40 RFID module and adaptive encoding technology. It supports a broad range of applications, is simple to calibrate and allows for excellent media flexibility.

Speaks Your Language

Deploy your ZD621 into your existing printer fleets with confidence. It supports both EPL and ZPL printer languages and can even emulate other printer languages using the Virtual Devices on-printer app, part of Print DNA. You can even keep using your current label formats and applications – no modifications needed.

Unmatched Peace-of-Mind Printer Security

Security risks are real and on the rise, even for thermal printers. Shield yourself from dangerous, costly IoT printer attacks. Unlike other brands, Zebra's printers feature PrintSecure, part of Print DNA, to protect your data, secure your endpoints and prevent downtime. Compare your settings against best practices to proactively identify potential risks and see activity in real time.

Q1: What is the ZD621 Direct Thermal printer?

The ZD621 is a premium 4-inch desktop printer in Zebra’s portfolio. It’s the next-generation upgrade from the GX Series and ZD500, designed for high performance, top-tier security, and maximum flexibility for modern labeling needs.

Q2: What does ‘Direct Thermal’ mean?

Direct Thermal means it prints by heat directly on specially coated labels — no ink, toner, or ribbon needed.

✔️ Simpler supplies

✔️ Low maintenance

✔️ Best for short-life labels (like shipping, receipts, or lab samples)

Q3: What resolution does it print at?

This model prints at 300 dpi (dots per inch), delivering crisp, high-quality barcodes, text, and graphics for applications where detail matters.

Q4: What connectivity does it include?

This ZD621 model is loaded with flexible connections:


  • USB 2.0

  • USB Host (connect scanners, keyboards)

  • Ethernet (LAN)

  • Serial (legacy systems)

  • 802.11ac Wi-Fi (fast, modern wireless)

  • Bluetooth 4.0 (mobile pairing, setup)

You can integrate it with virtually any system — wired or wireless.

Q5: Does it come with a display?

This version does not require the optional color touch display, but the ZD621 series supports an optional 4.3-inch full-color LCD if you want an upgraded user interface. Either way, setup is simple with Print DNA tools and Zebra’s intuitive user controls.

Q6: What makes the ZD621 so secure?

Unlike other brands, Zebra includes PrintSecure (part of its Print DNA suite). This means:

✔️ Encrypts data

✔️ Secures printer endpoints

✔️ Proactively detects risks

✔️ Monitors settings for best practices

✔️ Minimizes downtime due to IoT security threats

$1,445.94
Regular price
$943.33
Sale price
$943.33
$1,445.94
Regular price
$943.33
Sale price
$943.33
In stock

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