Zebra

Zebra ZD421D Direct Thermal Advanced Desktop Label Printer

SKU: 

ZD4A042-D0EM00EZ

The Zebra ZD4A042-D0EM00EZ pairs Bluetooth and NFC connectivity with USB and USB Host ports, making it the ZD421 series configuration suited for mobile device printing across iOS, Android and PC platforms. It prints direct thermal monochrome labels and receipts at up to 5.98 in/s and 203 dpi across a 4.09-inch print width, accepting media up to 4.25 inches wide and 39.02 inches long on rolls to 5 inches in diameter, including die-cut, continuous, black mark, fanfold, tag stock and wristband stock. On-board memory runs to 256 MB SDRAM and 512 MB flash, and language emulation covers ZPL, ZPL II, EPL, EPL II, XML, ZBI and EZPL. A real-time clock and dual wall frame are built in. The printer accepts 120 V AC or 230 V AC input, ships with EU and UK power cables, a USB cable and power adapter, and carries Energy Star qualification. At 2.98 lb and 7 in wide by 8.7 in deep by 5.9 in tall, it fits desktop label and receipt printing in professional or access-control environments.
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Description
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The Zebra ZD421 SecureFlex Printer is a compact, professional-grade desktop label printer engineered for reliable on‑demand direct thermal printing in retail, healthcare, logistics, and light manufacturing environments. Designed to deliver high-resolution output for barcodes, asset tags and shipping labels, the ZD421 combines precise 300 dpi printing with flexible connectivity options — including USB, USB Host, Bluetooth 5.2 and Wi‑Fi 802.11ax — plus Link‑OS support and broad firmware compatibility (ZPL II, EPL2, PDF Direct). Its OpenACCESS loading, robust dual‑wall frame and built‑in sensors streamline media handling while ENERGY STAR certification and an optional battery make it suitable for both fixed and mobile desktop workflows.

Key Features

  • High‑resolution output: 300 dpi print capability provides sharp text, barcodes and fine graphics for demanding label applications.
  • Flexible connectivity: USB 2.0 and USB Host plus Bluetooth 5.2 and Wi‑Fi 802.11ax enable easy integration with desktop and networked systems.
  • Reliable media handling: OpenACCESS design, full‑width movable reflective (black mark) and multi‑position transmissive (gap) sensors reduce setup time and feed errors.
  • Compact, durable design: Dual‑wall frame construction and ENERGY STAR certification deliver consistent operation and energy efficiency in busy workspaces.
  • Enterprise compatibility: Link‑OS platform with ZPL II, EPL2, PDF Direct and Print DNA support simplifies deployment, management and secure printing.

Specifications

  • Brand: Zebra
  • Product Reference: ZD4A043-D0EX02EZ
  • Product Type: Desktop label printer
  • Print Technology: Direct thermal (optional thermal transfer on some models)
  • Print Resolution: 300 dpi (optional 203 dpi available on other SKUs)
  • Maximum Print Width: 108 mm
  • Maximum Print Speed: 102 mm/s
  • Maximum Media Width: 108 mm
  • Maximum Roll Diameter: 127 mm
  • RAM: 256 MB
  • Flash Memory: 512 MB
  • Interfaces: USB 2.0, USB Host (optional Ethernet, Serial, Wi‑Fi, Bluetooth field options)
  • Wireless Connectivity: Bluetooth 5.2; Wi‑Fi 802.11ax
  • Sensors: Black mark (reflective) sensor; gap (transmissive) sensor
  • Real Time Clock: Yes
  • Printer Languages / Firmware: ZPL II, EPL2, XML, ZBI, PDF Direct
  • Operating System: Link‑OS
  • Dimensions (Direct Thermal): 220.8 mm L x 177.5 mm W x 150.7 mm H
  • Weight (Direct Thermal): 1.35 kg
  • Included Items: USB cable, AC power supply, power cord(s) (EU, UK variations)
  • Energy / Compliance: ENERGY STAR certified; RoHS compliant
  • Warranty: Two‑year standard warranty

Main Features

  • Connection: USB

  • Printing Technology: Direct Thermal

Technical Specifications
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Documents
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Product document mod-zd421-zebra-label-printer-datasheet.pdf ZD4A042-D0EM00EZ Product document mod-zd421-zebra-label-printer-user-manual.pdf ZD4A042-D0EM00EZ Product document zd421-spec-sheet-en-us.pdf ZD4A042-D0EM00EZ Product document zd421.pdf ZD4A042-D0EM00EZ Product document zd421.pdf MOD-ZD421 Product document zd421-hc.pdf MOD-ZD421