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Zebra ZD621 Label Printer Direct Thermal, 300 DPI, 8 ips, Color Touch LCD, Auto Cutter, Wi‑Fi/Bluetooth

SKU: 

ZD6A143-D21L01EZ

Fitted with wireless LAN, Bluetooth, and RFID alongside wired Ethernet, USB 2.0, USB Host, and serial ports, the Zebra ZD6A143-D21L01EZ delivers 300 dpi direct thermal printing at up to 5.98 in/s across a 4.25-inch print width. Labels up to 4.25 inches wide and 39.02 inches long are supported on rolls to 5 inches in diameter, and the 7.48 mil media thickness rating accommodates die-cut, continuous, black mark, fanfold, tag stock, and wristband stock through full-width, moveable reflective, and multi-position transmissive sensors. A 4-inch color LCD touchscreen and real-time clock aid operation, while 256 MB of RAM and 512 MB of flash support ZPL, ZPL II, EPL2, EPL, ZBI, EZPL, and XML emulation under Link-OS. The 3.60 lb chassis operates from 40°F (4.4°C) to 105°F (40.6°C) and suits retail, healthcare, transportation, logistics, and manufacturing labeling stations. Energy Star qualified and RoHS compliant, it carries a 2-year limited warranty.
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Description
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The Zebra ZD621 is a versatile desktop label printer series engineered for business and industrial labeling demands across retail, healthcare, logistics, manufacturing and office environments. Available in multiple configurations, the ZD621 family supports thermal transfer and direct thermal printing with high-resolution options (203 dpi and 300 dpi), and delivers reliable, high-quality barcodes, tags and receipts. Models offer integrated RFID encoding, color touch displays, peel-and-present or cutter options, and a range of wired and wireless interfaces—making the platform adaptable to networked deployments, point-of-sale stations and production workstations. Consistent flash memory, compact footprint and enterprise-focused connectivity simplify integration and reduce downtime for continuous labeling workflows.

Key Features

  • Flexible print technologies: Available in thermal transfer and direct thermal variants to suit durable label needs or ribbon-free workflows.
  • RFID and media options: Select models include UHF RFID encoding and support peel-and-present or cutter accessories for streamlined label handling.
  • High-resolution output: Offers 203 dpi and 300 dpi options to produce crisp barcodes, text and graphics for demanding label applications.
  • Broad connectivity: Multiple interfaces—USB, USB Host, Serial (RS-232), Ethernet, Bluetooth and Wi‑Fi—enable easy integration into existing IT and POS environments.
  • Intuitive user interface: Color LCD/touch displays on many SKUs simplify setup, status monitoring and everyday operation.
  • Enterprise-ready memory and management: Consistent 512 MB flash and Link-OS / Print DNA compatibility support device administration and reliable performance.

Specifications

  • Brand: Zebra
  • Product Name: Zebra ZD621
  • Product Family: ZD621
  • Product Type: Barcode / Label Printer
  • Printer Type: Desktop
  • Print Method: Thermal Transfer; Direct Thermal (varies by model)
  • Print Resolution: 203 dpi; 300 dpi (model dependent)
  • Maximum Print Width: Up to 4.25 in
  • Maximum Print Speed: Up to 8 in/s
  • Connectivity: USB, USB Host, Serial (RS-232), Ethernet, Bluetooth (including Bluetooth LE/4.1/BTLE5), Wi‑Fi (802.11 / 802.11ac)
  • Flash Memory: 512 MB
  • SDRAM: 256 MB (selected models)
  • Display Size: 4.3 in (color LCD on supported models)
  • Display Resolution: 480 x 272 px (selected models)
  • RFID Support: UHF RFID (selected models); supported protocols include UHF EPC Gen 2 V2, ISO/IEC 18000-63, RAIN RFID
  • Cutter: Available on specific SKUs
  • Media Handling: Peel & Present (label peeler) available on specific SKUs; tear bar included on supported models
  • Print Languages / Emulations: ZBI, XML, EPL, EPL2, ZPL, ZPL II, EZPL (varies by model)
  • Core Size: 1.00 in
  • Dimensions (L x W x H): 10.5 x 8.0 x 7.5 in (representative)
  • Weight: 5.5–6.5 lb (model dependent)
  • Durability: General Purpose / Commercial

Main Features

  • Rugged: Commercial

  • Print Speed: 6 in/s

  • Equipment Format: Desktop

  • DPI: 300 dpi

  • Connection: Ethernet, Serial, USB

  • Optional Upgrades: Peeler, Cutter

  • Max Width: 4 in

  • Printing Technology: Direct Thermal

Technical Specifications
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Technical Information
Recommended Use Label/Receipt Print
Print Color Capability Monochrome
Maximum Mono Print Speed 5.98 in/s
Maximum Print Resolution (dpi) 300
Maximum Print Width 4.25"
Barcode Symbology Supported
  • Code 11
  • Code 39
  • Code 93
  • Code 128
  • ISBT-128
  • UPC-A
  • UPC-E
  • EAN-8
  • EAN 2 or 5 Digit Extension
  • UPC 2 and 5 Digit Extension
  • EAN-13
  • AZTEC
  • QR Code
  • Micro PDF
  • Maxi Code
  • Data Matrix
  • Code 49
  • Codablock
  • PDF417
  • Planet Code
  • MSI
  • LOGMARS
  • Plessey
  • POSTNET
  • Standard 2 of 5
  • Industrial 2 of 5
  • Interleaved 2 of 5
  • 1D
  • 2D
Real Time Clock Yes
Application/Usage
  • Desktop
  • Retail
  • Healthcare
  • Transportation & Logistic
  • Manufacturing
Features
  • LCD Display
  • Dual Wall Frame
  • Status Indicator
Mobile Device Printing Yes
Print Technology Direct Thermal
Memory
Standard Memory 256 MB
Flash Memory 512 MB
Interfaces/Ports
Serial Port Yes
USB Host Yes
USB Yes
USB Standard USB 2.0
Network & Communication
Ethernet Yes
Ethernet Technology Ethernet
Bluetooth Yes
Wireless LAN Yes
RFID Yes
Display & Graphics
Display Screen Yes
Screen Size 4"
Display Screen Type LCD
Touchscreen Yes
Media Types & Handling
Media Type
  • Roll Fed
  • Fanfold
  • Die-cut Label
  • Continuous Label
  • Black Mark
  • Label
  • Tag Stock
  • Continuous Receipt
  • Wristband
  • Receipt
  • Tag
Media Sensor
  • Full Width Sensor
  • Moveable Reflective/Black Mark Sensor
  • Multi-position Transmissive/Gap Sensor
Media Thickness 7.48 mil
Maximum Roll Diameter 5"
Maximum Label Width 4.25"
Maximum Label Length 39.02"
Fonts & Emulation
Language Emulation
  • ZPL
  • ZPL II
  • EPL2
  • XML
  • ZBI
  • EPL
  • EZPL
Software
Operating System Supported
  • Link-OS
Power Description
Power Source AC Supply
Frequency
  • 50 Hz
  • 60 Hz
Environmental Conditions
Operating Temperature 40°F (4.4°C) - 105°F (40.6°C)
Operating Relative Humidity 10% - 90%
Storage Temperature -40°F (-40°C) - 140°F (60°C)
Storage Relative Humidity 5% - 95%
Physical Characteristics
Height 5.9"
Width 7"
Depth 8.7"
Weight (Approximate) 3.60 lb
Miscellaneous
Platform Supported
  • iOS
  • PC
  • Android
Energy Star Yes
Environmental Compliance Restriction of Hazardous Substances (RoHS)
Warranty
Limited Warranty 2 Year
Documents
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Product document mod-zd621-zebra-label-printer-datasheet.pdf ZD6A143-D21L01EZ  (PDF) Product document mod-zd621-zebra-label-printer-user-manual.pdf ZD6A143-D21L01EZ  (PDF)
FAQs
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What print resolutions are available on the Zebra ZD621, and does it support both thermal transfer and direct thermal printing?
The Zebra ZD621 is available in both thermal transfer and direct thermal configurations, and offers a choice of 203 dpi or 300 dpi print resolution depending on which model you order.
What connectivity interfaces does the Zebra ZD621 support for network and workstation integration?
The ZD621 provides USB, USB Host, Serial (RS-232), Ethernet, Bluetooth (including Bluetooth LE, 4.1, and BTLE5), and Wi-Fi (802.11/802.11ac), covering both wired and wireless deployment scenarios.
Does the Zebra ZD621 support RFID encoding, and what standards does it work with?
Select ZD621 models include UHF RFID encoding and support UHF EPC Gen 2 V2, ISO/IEC 18000-63, and RAIN RFID protocols.
What optional media-handling and finishing upgrades are available for the Zebra ZD621?
Optional upgrades include a cutter, liner take-up, peeler, rewinder, and time-of-flight sensor, allowing the printer to be configured for a range of label-dispensing and finishing workflows.
How much onboard memory does the Zebra ZD621 have, and what print languages does it support?
The ZD621 includes 512 MB of flash memory and supports ZBI, XML, EPL, EPL2, ZPL, ZPL II, and EZPL print languages and emulations.
In which industries and environments is the Zebra ZD621 typically deployed?
The ZD621 is engineered for retail, healthcare, logistics, manufacturing, and office environments, and its connectivity options also make it suitable for networked deployments and point-of-sale stations.