Zebra ZD421t 300 dpi 4 ips USB, Bluetooth, Ethernet Thermal Transfer Desktop Barcode Label Printer — ZD4A043-30EM00EZ

The Zebra ZD421t (ZD4A043-30EM00EZ) is a high-resolution 300 dpi thermal transfer desktop barcode label printer delivering 4 inches per second print speed. With USB, Bluetooth, and Ethernet connectivity and built on Zebra's Link-OS platform, it is engineered for warehouses, retail, healthcare, and logistics environments requiring sharp, durable labels with ribbon-based thermal transfer printing.

Key Features

• Thermal transfer printing at 300 dpi — ribbon required for durable labels
• Print speed up to 4 ips
• USB, Bluetooth, and Ethernet connectivity
• Link-OS enabled for remote management and configuration
• OpenACCESS design for easy media and ribbon loading
• Compact desktop form factor

Product Specifications

• Part Number: ZD4A043-30EM00EZ
• Manufacturer: Zebra Technologies
• Model: ZD421t
• OEM Status: Genuine Zebra OEM
• Print Method: Thermal Transfer
• Print Resolution: 300 dpi
• Print Speed: Up to 4 ips
• Print Width: Up to 4 inches
• Connectivity: USB 2.0, Bluetooth, Ethernet
• Platform: Link-OS
• Media Sensing: Gap/notch, black mark, continuous

Print Specifications

• Print Method: Thermal Transfer (ribbon required)
• Print Resolution: 300 dpi
• Print Speed: Up to 4 ips
• Print Width: Up to 4 inches
• Media Sensing: Gap/notch, black mark, continuous
• Label Formats: ZPL, EPL
• Ribbon Compatibility: Wax, wax/resin, resin ribbons

Connectivity Specifications

• USB: USB 2.0
• Wireless: Bluetooth
• Wired Network: Ethernet (10/100 Mbps)
• Platform: Link-OS
• Remote Management: ZebraNet Bridge, ZPL commands
• Mobile Device Support: Yes (via Bluetooth and Zebra apps)

Use Cases

• Durable barcode and compliance label printing
• Retail shelf and price labels requiring long-lasting print
• Healthcare specimen and asset labels
• Warehouse inventory and shipping labels
• Manufacturing part identification and tracking labels

Compatibility

• Compatible with Zebra ZPL and EPL label formats
• Works with Zebra Designer, ZebraNet Bridge, and third-party label software
• Supports Windows, macOS, and Linux drivers
• Compatible with 4-inch thermal transfer label stock and ribbons

Frequently Asked Questions

What is the difference between thermal transfer and direct thermal printing?

Thermal transfer uses a ribbon to transfer ink onto the label, producing durable, long-lasting prints resistant to heat, UV, and chemicals. Direct thermal prints directly on heat-sensitive media without a ribbon but is less durable.

What connectivity does the ZD4A043-30EM00EZ include?

It includes USB 2.0, Bluetooth, and Ethernet (10/100 Mbps) for flexible wired and wireless integration.

Is this printer compatible with ZPL?

Yes, the ZD421t fully supports Zebra Programming Language (ZPL) as well as EPL for legacy compatibility.

The Zebra ZD421t (ZD4A043-30EM00EZ) is a high-resolution thermal transfer barcode label printer built for demanding environments requiring durable, long-lasting label output. Order today for reliable 300 dpi label printing backed by Zebra's industry-leading support.