Spec Sheet
Backwards Compatible with Virtually Any Existing Thermal Printer   
Integrate your ZD621 into your existing printer fleet with confidence. 
Use the same label formats and applications you’re using today. 
It supports both EPL and ZPL printer languages, and can emulate 
languages normally associated with other printer brands using 
Zebra’s Print DNA tool, Virtual Devices.
Intuitive User Interface 
Interact at a touch with the ZD621’s optional 4.3-inch, full-color 
LCD touch display, standard on the ZD621 healthcare and RFID 
models. The easy-to-use menu features step-by-step setup wizards, 
troubleshooting animations, media-loading and calibration guidance 
and supports stand-alone printing applications. Zebra touchscreens 
are expertly designed and tested for toughness and reliability 
consistent with Zebra’s printer portfolio, including robust tolerance 
to temperature, humidity, dust and other environmental challenges. 
Connect Your Way with Comprehensive Communication 
Integrate your ZD621 onto your existing wired and wireless networks 
or connect it directly to any PC. Every ZD621 comes with Ethernet, 
Serial, USB 2.0 and USB Host, or add an optional dual wireless radio 
with fast 802.11ac Wi-Fi and Bluetooth 4.1. Print from any Windows®, 
Android™ or iOS device, and integrate your ZD621 with Zebra’s 
printer setup mobile app using Bluetooth Low Energy (BLE). And with 
the included Print Touch tag (NFC), you can simply tap a compatible 
mobile device on the ZD621 to pair and print—as well as instantly 
access Zebra’s extensive knowledge base of how-to videos. 
The Features You Need, When You Need Them
Turn Your ZD621 Into a Portable Printer
Easily transport your ZD621 printer on a cart or with Zebra’s optional 
carrying case, using the battery option. Print on the spot to reduce 
steps and increase productivity. Power through a full shift with the 
high-capacity battery. 
Movable Sensor for Comprehensive Media Compatibility 
The ZD621’s movable media sensor lets you use virtually any media 
for greater flexibility across a variety of use cases.
Print DNA Software Suite, Your Built-In Advantage
Print Securely and Confidently, Without Hassles
Print DNA suite of software, powered by our Link-OS operating 
system, will get your printer up and running quickly and securely. 
Print consistently, and uninterrupted with a solution that’s fully 
integrated and interoperable, and will enable your printer to evolve 
with your business needs. 
Update, Troubleshoot and Monitor – All From a Single Location 
With Zebra’s Printer Profile Manager Enterprise, part of Print DNA, 
you have the ability to easily manage, secure and troubleshoot your 
networked printers from one remote location. Manage one printer, a 
group of specific printers or all printers anywhere in the world. 
Unparalleled, Peace-of-Mind Printer Security 
Shield yourself from cyberattacks with Zebra’s PrintSecure, part of 
Print DNA. Easily configure your printers via secure connections, 
identify vulnerabilities, block unauthorized access and more.
Explore Managed Print Services (MPS) with Assurance
Zebra’s Thermal Printers with Print DNA Make MPS Easy 
Looking to gain control and visibility of your printer fleets with MPS? 
Our printers are engineered for durability, and they oer innovative 
remote management, analytics and security capabilities that make 
them the obvious choice for MPS. With the Print DNA software 
toolset, your Zebra MPS provider can remotely manage and optimize 
your printers, track and automate supplies replenishment and 
ensure security.
Supplies, Service and Support 
Zebra Certified Supplies 
Printing supplies provide a digital voice for assets across your supply 
chain. You rely on them to disseminate critical data throughout your 
organization. If something goes wrong with your printing supplies, 
operations are interrupted, productivity suers and costs rise. 
That’s why we design, produce and rigorously pretest our own line 
of labels, tags and receipt paper to ensure consistent, optimized 
performance in your Zebra printer. Optional linerless configurations 
eliminate waste and deliver more labels per roll for fewer roll 
changes. For industry-leading quality, service and thermal printing 
expertise, choose Zebra Certified Supplies.
Backed by Zebra’s Worldwide Service and Support 
Access repair support services anywhere around the globe through 
Zebra and its trusted network of more than 10,000 partners. Zebra 
OneCare™ provides enhanced coverage that exceeds standard 
warranty. Get increased protection with the ZD621’s standard two-
year warranty. Visit www.zebra.com/warranty for more information.
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PRODUCT SPEC SHEET
ZD621 4INCH DESKTOP PRINTERS 




