The Zebra ZD421 is a newer model in the label printing category, designed as an alternative to the Zebra GK420. Compared to the previous version, it includes adjustments in terms of operation and overall reliability.

The ZD421t model can print fan-fold or roll labels (die-cut, continuous, black mark, tag), as well as receipts and wristbands, at speeds of up to 102 mm/s. It supports media with a maximum width of 112 mm, offering a printable width of up to 104 mm. It is also compatible with ribbons ranging from 74 m to 300 m in length.

Technical specifications:

• Printer type: desktop label printer
• Print method: direct thermal and thermal transfer
• Interface: USB, USB Host, BLE (Bluetooth Low Energy)
• Print speed: 102 mm/s
• Print resolution: 300 DPI
• Memory: 512 MB Flash; 256 MB RAM
• Printable area: max. 108 mm width x max. 991 mm length

Media characteristics:

• max. label length: 991 mm
• media width: max. 118 mm
• roll outer diameter: 127 mm
• roll inner diameter: 12.7 mm and 25.4 mm standard; 50.8 mm and 76.2 mm optional (with adapter)
• thickness: 0.08 – 0.1905 mm
• types: eco and semi-gloss labels, fan-fold labels, die-cut labels, labels with or without black mark, tag stock, thermal paper rolls

Ribbon characteristics:

• inner diameter:
  • 25.4 mm (300 m)
  • 12.7 mm (74 m)
• width: 33.8 mm – 109.2 mm
• length: 74 m or 300 m
• outer diameter: 66 mm (300 m), 34 mm (74 m)

Supported barcodes:

• 1D: Code 11, Code 39, Code 93, Code 128, IS BT128, UPC-A, UPC-E, EAN-8, EAN-13, UPC/EAN extensions (2 or 5 digits), Plessey, Postnet, Standard 2-of-5, Industrial 2-of-5, Interleaved 2-of-5, Logmars, MSI, Codabar, Planet Code
• 2D: Codablock, PDF417, Code 49, DataMatrix, MaxiCode, QR Code, MicroPDF, Aztec
• Power supply: 100–240 V AC, 50–60 Hz

Package contents:

• USB cable
• power adapter
• power cable
• driver CD
• user manual