Zebra ZD421T Thermal Transfer Desktop Barcode Label Printer
The Zebra ZD421T Thermal Transfer Desktop Barcode Label Printer is a high-performance 4-inch desktop label printer designed for reliable thermal transfer printing in retail, healthcare, logistics, and manufacturing environments. It delivers fast print speeds, flexible connectivity, durable label output, and easy media handling, making it ideal for barcode labels, shipping labels, asset tags, and compliance applications.
Key Highlights
- Thermal transfer printing for durable labels
- Up to 203 dpi and optional 300 dpi resolution
- Print speeds up to 6 inches per second
- USB, USB Host, Ethernet and BLE connectivity
- Compact 4-inch desktop printer with easy ribbon loading
Product Overview
The Zebra ZD421T Thermal Transfer Desktop Barcode Label Printer is a powerful and reliable 4-inch desktop printing solution designed for businesses that require durable, high-quality label output. Built with advanced thermal transfer technology, it ensures long-lasting prints that resist fading, smudging, and environmental wear, making it ideal for retail, healthcare, logistics, manufacturing, and asset tracking applications. Engineered with Zebra’s Link-OS platform, the ZD421T offers intelligent management, simplified setup, and seamless integration into existing IT environments.
Key Features & Capabilities
Enterprise-grade technology designed for mission-critical operations
Durable thermal transfer printing
Produces long-lasting, smudge-resistant labels using ribbon-based thermal transfer technology
High-resolution printing options
Supports 203 dpi standard and optional 300 dpi for sharp barcode and text output
Flexible connectivity options
Includes USB, USB Host, Ethernet, Bluetooth Low Energy, with optional Wi-Fi and Bluetooth
Fast printing performance
Delivers speeds up to 6 inches per second for efficient label production
Technical Specifications
Key technical details and performance specifications
| Specification | Details |
|---|---|
| Operating System | Link-OS |
| Resolution | 203 dpi (8 dots/mm); Optional 300 dpi (12 dots/mm) |
| Memory | 512 MB Flash; 256 MB SDRAM |
| Max Print Width | 4.09 in. (104 mm) for 203 dpi; 4.16 in. (106 mm) for 300 dpi |
| Max Print Speed | 6 in./sec (203 dpi); 4 in./sec (300 dpi) |
| Programming | ZPL II, EPL 2, XML, ZBI, PDF Direct |
| Dimensions (Roll) | 10.5 in. L x 8.0 in. W x 7.44 in. H (267 x 202 x 189 mm) |
| Dimensions (Cart) | 10.0 in. L x 8.0 in. W x 7.0 in. H (254 x 202 x 177 mm) |
| Weight | 4.52 lbs (2.05 kg) for Roll; 5.0 lbs (2.3 kg) for Cartridge |
| Label Length | 0.25 in. (6.35 mm) to 39.0 in. (991 mm) |
| Media Width | 0.585 in. (15 mm) to 4.41 in. (112 mm) for Roll |
| Media Types | Roll-fed, fan-fold, die-cut, continuous, tag stock, wristbands |
| Ribbon Length | 984 ft. (300 m) or 243 ft. (74 m) |
| Ribbon Ratio | 1:4 ribbon to media (300 m); 1:1 ribbon to media (74 m) |
| Operating Temperature | 40° to 105° F (4.4° to 41° C) |
| Storage Temperature | -40° to 140° F (-40° to 60° C) |
| Humidity | 10% to 90% non-condensing (Operating) |
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