Zebra, ZD421, 4" Direct Thermal Label Printer, USB, Ethernet, Bluetooth

The Zebra ZD4A042-D01E00EZ is a Zebra ZD421d direct thermal desktop label printer designed for reliable, everyday barcode label printing in retail, warehouse, healthcare, light manufacturing, and logistics environments. Compact and easy to deploy, this printer delivers dependable 4-inch label printing without requiring ink, toner, or ribbon.

With 203 dpi print resolution, USB, USB Host, Ethernet, and Bluetooth Low Energy connectivity, the ZD421 gives businesses a flexible labeling solution for inventory labels, shipping labels, shelf labels, asset tags, receipts, and other operational print needs. This configuration includes EZPL printer language support and a US power cord, making it a strong fit for standard business label workflows.

Key Features & Benefits

Direct Thermal Printing
Prints using heat-sensitive labels, eliminating the need for ribbons, ink, or toner. This makes it ideal for short- to medium-life labels such as shipping labels, receipts, price labels, and inventory tags.

203 DPI Print Resolution
Produces clean, readable barcodes, text, and graphics for everyday labeling applications.

4-Inch Desktop Label Printing
Supports labels up to approximately 4.27 inches wide, giving businesses flexibility for shipping, inventory, asset, product, and shelf labels.

Fast Print Performance
Prints at speeds up to 6 inches per second, helping keep up with busy labeling workflows.

Flexible Connectivity
Includes USB, USB Host, Ethernet, and Bluetooth LE, allowing easy connection to workstations, networks, and compatible business systems.

Compact Desktop Design
Fits easily on counters, packing stations, retail desks, and warehouse work areas where space is limited.

Zebra Link-OS Platform
Built on Zebra’s Link-OS environment for easier printer setup, management, and integration across business operations.

Broad Label Application Support
Suitable for retail shelf labels, markdown labels, return tags, asset labels, food information labels, healthcare labels, shipping labels, packing slips, WIP labels, and more.

Ideal Use Cases

• Inventory labels
• Shipping and receiving labels
• Retail shelf and price labels
• Asset tracking labels
• Product identification labels
• Healthcare and pharmacy labels
• Light manufacturing work-in-process labels
• Receipts and return tags

Technical Highlights

• Manufacturer: Zebra
• Model: ZD421d
• Part Number: ZD4A042-D01E00EZ
• Printer Type: Desktop barcode label printer
• Print Method: Direct thermal
• Print Resolution: 203 dpi
• Maximum Print Width: Up to 4.27 inches
• Print Speed: Up to 6 inches per second
• Connectivity: USB, USB Host, Ethernet, Bluetooth LE
• Printer Language: EZPL
• Included Power: US cord
• Common Media: Labels, tags, receipts, wristbands

Bottom Line

The Zebra ZD4A042-D01E00EZ is a dependable, business-ready desktop label printer built for clean, efficient direct thermal printing. With strong connectivity options, compact design, and reliable Zebra performance, it is an excellent choice for businesses that need everyday barcode, inventory, shipping, and product labeling.