Zebra ZD421d Direct Thermal Desktop Printer
$617.00
The Zebra ZD421d delivers reliable, compact direct thermal label printing—ideal for desktop, kiosk or on-demand applications. Built for ease-of-use and flexible connectivity, the ZD421d supports a wide variety of media types and integrates smoothly into existing printer fleets or newly-deployed solutions.
Technical Specifications
Print Technology
- Direct Thermal (no ribbon required)
- Optional thermal-transfer variants exist in the ZD421 series (not the “d” model)
Print Resolution Options
- Standard: 203 dpi (8 dots/mm)
- Optional: 300 dpi (12 dots/mm) for higher detail labels (select “d” models)
Maximum Print Width:
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Up to ~4.09 in / 104 mm typical for desktop 4-inch class printers in the series.
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Some 300 dpi variants support up to 4.27 in / 108 mm.
Maximum Print Speed:
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Up to ~6 ips / ~152 mm/s for typical 203 dpi models.
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For 300 dpi models: ~4 ips / ~102 mm/s (varies by label/media)
Media Handling:
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Media Width (Direct Thermal): ≈ 0.585 in (15 mm) – 4.25 in (108 mm) for standard DT models.
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Media Thickness: Minimum ~0.06 mm (0.0024 in) to Maximum ~0.1905 mm (0.0075 in) for supported media.
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Media Roll Outer Diameter: Maximum ~127 mm (5.0 in) for roll supply.
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Minimum Label Length: ~6.35 mm (0.25 in) for tear-off/label options.
Memory & Processing:
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Flash Memory: Up to 512 MB.
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SDRAM: Up to 256 MB.
Connectivity Options:
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Standard: USB 2.0, USB Host ports.
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Optional: Ethernet (10/100), Serial RS-232, WiFi (802.11ac/ax), Bluetooth (BLE/Classic) in field-installable kits for ZD421 series.
Supported Printer Languages & Software:
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ZPL II®, EPL2™, XML, ZBI®, PDF Direct (varies by configuration)
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Zebra Link-OS® architecture for simplified integration and management.
Construction & Usability:
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OpenACCESS™ clamshell design for easy media loading.
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Five-LED status indicator + three-button user interface (in series) for quick status checks.
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Dual-wall frame construction for durability.
Power & Environmental:
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Power Supply: Auto-ranging AC 100-240 V, 50-60 Hz (varies by region)
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Operating Temperature: ~4.4 °C to 41 °C (≈40 °F to 105 °F) typical.
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Operating Humidity: ~10 % to 90 % non-condensing (varies by model)
Physical Dimensions & Weight:
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Dimensions: Approx. 220.8 mm (W) × 177.5 mm (D) × 150.7 mm (H) (≈ 8.69″ × 6.98″ × 5.93″) for a 300 dpi direct thermal model.
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Weight: Approx. 1.35 kg (~2.98 lbs) for that model.
Additional Features & Notes
- ENERGY STAR® certified for energy efficiency.
- Moveable media sensor allows for flexible use of label types and sizes.
- Field-installable accessories: label dispenser/peeler, cutter, wireless kit (WiFi/Bluetooth) for on-site upgrades (in series)
- Backward compatible with legacy Zebra GK/GX prints via language emulation to simplify transitions.
- Warranty: Standard 2-year limited warranty (varies by region/configuration) for many models in series.
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