Zebra ZD421

The pictures shown are general images for product ZD421 and may not be applicable to all part numbers
ZD421 Desktop Printer
This product replaces the older Zebra GK420 Series.
Elevate Your Expectations: The Advanced Desktop Printer that Delivers the Features, Flexibility, Reliability, and Security You Need.
You need a reliable printer that delivers quality performance now and for years to come. It needs to offer key features and be easy to set up, operate, manage, and maintain – onsite or remotely. It needs to be secure, whether it is integrated onto your network or not, to prevent downtime and costly cyberattacks. You need it. Zebra delivers it, for more than 50 years. We design our printers to match your workflows, ensuring they are hassle-free and ready to work. Day in and day out. We’re always innovating to deliver the best to help you advance your business and be ready for what’s next. Building on the legacy of Zebra’s popular GK Series, ZD421 printers add even more capabilities and security measures to set you up for years of use.
It's time to Advance
Migrate from G to Z
The ZD421 builds on the legacy of Zebra’s GK Series printers, offering you the functions and capabilities of its predecessor – and much more. The next-generation ZD421 leverages this heritage to deliver advanced features for a new era of intelligence and forward flexibility.
Backward Compatible with Virtually Any Existing Printer
Deploy your ZD421 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.
Connect it Your Way
Integrate your ZD421 onto your existing wired and wireless networks, or connect it directly to any PC. Every ZD421 comes standard with USB and USB Host, and offers optional Ethernet, Serial and dual wireless radio with fast 802.11ac Wi-Fi™ and Bluetooth® 4.1. Print from any Windows®, Android™ or iOS® device. Get your ZD421 up and running with Zebra’s printer setup mobile app using Bluetooth Low Energy (BLE). Use the included Print Touch tag (NFC) to simply tap to pair and print.
Advanced Flexibility and Features
Operate with Ease and See Status At-A-Glance
Take the guesswork out of printer status with the ZD421’s five LED icons to instantly see what’s needed to keep your printers up and running, from replenishing media to resolving printer issues. The advanced three-button user interface replaces the typical single-button/single-light interface common in desktop printers to offer added functionality and control. And, color-coded touch points guide you through media-handling tasks for speedy media changes.
Groundbreaking Cartridge for Instant Ribbon Changes
The ZD421 is the only thermal printer to offer a ribbon cartridge that takes just a few seconds to load with fool-proof, one-way, first-time and every-time instant loading. The smart chip in the ribbon lets you know when the ribbon needs replacing.
Turn Your ZD421 Into a Portable Printer
Easily transport your ZD421 printer on a cart or with Zebra’s optional carrying case1, 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 ZD421’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? 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.

We offer a selection of labels and ribbon to meet any need. Having trouble finding the label you need? Give our Label Selector Tool a try or give us a call! We have people ready to help.
Product Specifications | |
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Dimensions | Direct Thermal: 8.69 in L x 6.98 in W x 5.93 in H Thermal Transfer Roll: 10.5 in L x 8.0 in W x 7.44 in H Thermal Transfer Cartridge: 10.0 in L x 8.0 in W x 7.0 in H |
Weight | Direct: 2.98 lbs Thermal Transfer Roll: 4.52 lbs Thermal Transfer Cartridge: 5.0 lbs |
Operating System | Link-OS |
Resolution | 203 dpi/8 dots per mm 300 dpi/12 dots per mm |
Memory | 512 MB Flash; 256 MB SDRAM |
Maximum Print Width | 4.09 in for 203 dpi 4.27 in for 300 dpi Cartridge: 4.09 in for 203 & 300 dpi |
MAXIMUM PRINT SPEED | 6 ips for 203 dpi 4 ips for 300 dpi |
Media Sensors | Full width, moveable reflective/black mark sensor; multi-position transmissive/gap sensor |
Media Width | Direct: 0.585 in to 4.25 in Thermal: 0.585 in to 4.41 in Thermal Transfer Cartridge: 0.585 in to 4.65in |
Ribbon Core Width | Roll: 1.33 in./33.8 mm — 4.3 in./109.2 mm
Cartidge: 4.3 in./109.2 mm |
Ribbon Core Inner Diameter | 300 meter ribbon 1 in./25.5 mm
74 meter ribbon .5 in./12.7 mm |
Zebra ZD421 Reviews
Customer Reviews
Downloads |
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Windows Driver (Version 10) |
Zebra Designer 3 Basic (Windows OS) |
Zebra Setup Utility Walkthrough Guide |
Zebra Printer Setup Utility |
Specification Sheet |