Zebra ZD421d Direct Thermal Label Printer 203 dpi USB USB Host Bluetooth LE

The Zebra ZD421d is a direct thermal label printer that combines a compact footprint with fast 152 mm/s output and flexible connectivity. Unlike basic label printers, it offers USB, USB Host, and Bluetooth Low Energy, making it easy to integrate into existing workflows without extra adapters.

Highlights

• Direct thermal printing at 203 dpi for crisp barcodes and text
• Print speed up to 152 mm/s (6 ips) for efficient batch jobs
• Connectivity: USB, USB Host, and Bluetooth Low Energy
• Supports media widths from 15 mm to 112 mm
• 256 MB SDRAM and 512 MB Flash for fast processing and label storage

In daily use

The ZD421d handles roll-fed or fan-fed labels, die-cut or continuous, with a maximum roll diameter of 127 mm. Its 3-button interface with 5 status icons simplifies setup and operation. The printer supports ZPL II, EPL2, and ZBI 2.0 programming languages, ensuring compatibility with existing label formats.

Full specifications

• Print technology: Direct thermal
• Maximum resolution: 203 x 203 DPI
• Maximum print width: 104 mm
• Maximum print length: 991 mm
• Print speed: 152 mm/s
• Connectivity: USB, USB Host, Bluetooth Low Energy
• Memory: 256 MB SDRAM, 512 MB Flash
• Media width: 15 mm to 112 mm
• Maximum roll diameter: 127 mm
• Core diameter: 12.7 mm to 38.1 mm
• Media thickness: 0.08 mm to 0.1905 mm
• Sensors: Full-width movable reflective/black mark sensor, multi-position transmissive/gap sensor
• User interface: 3-button with 5 status icons
• Power supply: External universal auto-ranging (100-240 VAC, 50-60 Hz)
• Programming languages: ZPL II, EPL2, ZBI 2.0

Final note

The ZD421d is a reliable choice for shipping, retail, and healthcare labeling where speed and connectivity matter.