

Advanced Speed and Flexibility in a Compact, Powerful Thermal Printer
Key Highlights
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203 dpi print resolution and 6 in/sec print speed for fast, reliable performance
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Supports ZPL and EPL programming languages with auto-sensing
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Maximum print width of 4.09 in, ideal for shipping labels, tags, and barcodes
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Equipped with USB 2.0, Ethernet, and optional RS-232 serial (DB-9F) connectivity
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Optional peeler mechanism for peel-and-present applications
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Compact footprint, easy media handling with standard tear bar
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Supports a wide range of 1D and 2D barcode symbologies
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Enhanced with 512 MB flash and 128 MB SDRAM
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Built for demanding environments with robust temperature tolerance
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Backed by a one-year limited warranty
The Zebra ZD421 is a feature-rich direct thermal desktop label printer designed for next-level reliability and performance. With a blazing print speed of 6 inches per second and up to 203 dpi resolution, the ZD421 is ideal for high-demand label printing in industries like logistics, healthcare, retail, and warehousing.
This compact and powerful printer supports ZPL and EPL command languages, ensuring compatibility with legacy systems. It offers multiple connectivity options, including USB 2.0, Ethernet, and optional RS-232 serial, enabling flexible integration into various environments. The optional peeler mechanism further enhances operational efficiency by presenting labels one at a time, ready for application.
With auto media calibration, tear bar functionality, and wide media compatibility, the ZD421 simplifies daily printing tasks while maintaining accuracy and consistency. It supports various media types and core sizes, giving users full control over label configurations.
From barcode printing to logistics labels and compliance tags, the ZD421 delivers a dependable solution in a compact design backed by Zebra’s industry-leading durability.
Specifications
Category | Specification | |
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Printing Method | Direct Thermal | |
Resolution | 203 dpi / 8 dots per mm | |
Print Speed | Up to 6 in/sec (152 mm/sec) | |
Print Width | 4.09 in (104 mm) | |
Media Width | 0.75 to 4.25 in (19 to 108 mm) | |
Media Thickness | 0.003 to 0.0075 in (0.08 to 0.19 mm) | |
Media Diameter | Max 5 in (127 mm) | |
Roll Core Size | 0.5 and 1.0 in (13 to 25 mm) | |
Memory | 512 MB Flash / 128 MB SDRAM | |
Interface Options | USB 2.0 Host, Ethernet TCP/IP, Optional RS-232 Serial (DB-9F) | |
Programming Languages | ZPL, EPL (auto-sense) | |
Optional Features | Peeler mechanism, RS-232 | |
Barcode Support | 1D: UPC, Code 39, Code 128, EAN, Interleaved 2-of-5, MSI, Codabar, etc. 2D: PDF417, QR Code, Aztec, Data Matrix, MicroPDF417, Codablock, Code 49, MaxiCode |
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Operating Temperature | 40 °F to 105 °F (4 °C to 41 °C) | |
Storage Temperature | -40 °F to 140 °F (-40 °C to 60 °C) | |
Dimensions (L × W × H) | ZD421: 8.69 × 6.98 × 5.93 in ZD421T: 10.5 × 8.0 × 7.5 in |
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Certifications | Microsoft® Windows® drivers supported | |
Warranty | One-year limited |
Built for modern performance and seamless integration, the Zebra ZD421 delivers speed, precision, and flexibility for demanding labeling workflows. Whether used in shipping, healthcare, or product labeling, it offers unmatched reliability in a compact design. Order now from SellEton Scales or contact us to configure the right ZD421 model for your business.
Free Shipping: Available across 48 continental USA. Extra charges may apply for residential, farm, or rural areas.
Express Shipping: Overnight and faster shipping options available at additional costs. Quotes obtainable via email.
Delivery Time: Typically 5 to 7 business days, varying by location and external conditions.
Tracking Information: Provided via email upon shipment. Accessible through account login. Additional information available upon request.
Return Policy: 15-day return period for unused, original condition products. A 25% restocking fee applies. Buyer covers original and return shipping costs.
Customer Support: Contact at (844)-735-5386 or info@selletonscales.com for queries or concerns about shipping.