Zebra ZD421 Direct Thermal Desktop Barcode Shipping Label Printer 203dpi USB BLE (ZD4A042-D0EM00EZ) – New
Zebra ZD421 Direct Thermal Desktop Barcode Shipping Label Printer USB BLE

The Zebra ZD421 Direct Thermal Desktop Label Printer (ZD4A042-D0EM00EZ) prints sharp, scannable barcodes, shipping labels, product tags, receipts, and wristbands at up to 6 inches per second with 203 dpi resolution — no ribbons or toner required. Standard connectivity includes USB 2.0 and USB Host. Bluetooth Low Energy 5.0 is included for printer setup and light data transfer. BLE is not Classic Bluetooth — for sustained wireless printing, the optional 802.11ac Wi-Fi + Bluetooth Classic 4.1 dual-radio module is available separately. Supports ZPL II and EPL2 programming languages. Powered by Zebra's Link-OS platform and Print DNA software suite.

Zebra ZD421 – Key Features & Benefits

  • Brand New Condition: Factory-fresh, unused, ready for immediate deployment.
  • Direct Thermal Printing: No ribbons or toner — lower supply costs and simpler maintenance.
  • 6 ips Print Speed / 203 dpi Resolution: Fast, crisp output for high-volume label production.
  • USB 2.0 & USB Host: Reliable wired connectivity for PCs, POS systems, and peripherals.
  • BLE 5.0 (Setup & Light Data Transfer): Per Zebra, BLE is best used for printer setup and light data transfer. It is not Classic Bluetooth. For sustained wireless printing, the optional Wi-Fi + BT Classic 4.1 module is recommended (sold separately).
  • 4.09" Max Print Width: Supports media up to 4.25" wide — handles 4x6 shipping labels, asset tags, and product labels.
  • Modular Connectivity Slot: Field-installable options for Ethernet, Serial, or Wi-Fi + BT Classic 4.1 (sold separately).
  • Zebra Print DNA: Enterprise-grade remote management and security. Full Windows driver support. Android & iOS supported via Zebra mobile apps over BLE.
  • Compact Footprint: 8.69 x 6.98 x 5.93 in. — fits easily on desks, counters, and shelving.

Zebra ZD421 – Specifications

  • Part Numbers: ZD4A042-D0EM00EZ 
  • Print Method: Direct Thermal
  • Resolution: 203 dpi (8 dots/mm)
  • Max Print Speed: 6 ips (152 mm/s)
  • Max Print Width: 4.09 in. (104 mm)
  • Max Media Width: 4.25 in. (108 mm)
  • Standard Connectivity: USB 2.0 (Type B), USB Host, Bluetooth Low Energy 5.0, NFC (Print Touch)
  • Optional Connectivity: 10/100 Ethernet, RS-232 Serial, 802.11ac Wi-Fi + Bluetooth Classic 4.1 (field-installable, sold separately)
  • Programming Languages: ZPL II, EPL2
  • Memory: 512 MB Flash, 256 MB SDRAM
  • Media Types: Die-cut labels, continuous rolls, fan-fold, tags, receipts, wristbands
  • OS Support: Windows (full driver); Android & iOS (via Zebra apps/SDK over BLE)
  • Power: External supply, 100-240 VAC, 50-60 Hz
  • Dimensions: 8.69 x 6.98 x 5.93 in.
  • Weight: 1.35 kg (2.98 lbs)
  • ENERGY STAR: Certified (per Zebra spec sheet)

Zebra ZD421 – Frequently Asked Questions

  • What's in the box?
    Printer, USB cable, power supply, US power cord, and Quick Start Guide. Labels, media, and connectivity modules are NOT included.
  • Can I print over Bluetooth?
    The standard BLE 5.0 is best used for printer setup and light data transfer (per Zebra). It is not Classic Bluetooth. For sustained wireless printing, the optional Wi-Fi + BT Classic 4.1 dual-radio module is required (sold separately, field-installable).
  • Can I add Ethernet or Wi-Fi later?
    Yes. The modular connectivity slot accepts field-installable Ethernet, Serial, or Wi-Fi + BT Classic modules. Sold separately. Installation instructions are in the Zebra User Guide.
  • What OS is supported?
    Windows has full native driver and utility support. Android and iOS are supported through Zebra's mobile apps and SDK over BLE.
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