The ZD421 printer can be connected to the network or PC via USB, Ethernet, Wi-Fi or BLE (Bluetooth Low Energy) technology depending on the option chosen. It prints directly thermally or by thermal transfer at a resolution of 203 DPI. The printer can be integrated with almost any label printing application.

Printing method: direct thermal or thermal transfer
Interface: USB, USB Host, BLE (Bluetooth Low Energy) (default variant)
USB, USB Host, Ethernet, BLE (Bluetooth Low Energy) (2nd variant)
USB, USB Host, W-Fi, Bluetooth (3rd variant)
Print speed: 152 mm / s
Print resolution: 203 DPI
Memory: 512 MB Flash; 256 MB RAM
Printable area: max. 104 mm wide x max. 991 mm long
Consumable features
- max label length: 991 mm;
- paper width: max. 118 mm;
- outer diameter of the roller: 127 mm;
- inner diameter of the roller: 12.7 mm, 25.4 mm standard;
- thickness: 0.08 - 0.1905 mm;
- type: eco and semi-gloss labels, folded labels, pre-cut labels, labels with or without black mark, cardboard labels, thermal paper rolls.

Ribbon features: ribbon roll 300 m or 74 m
Supported barcodes: 1D: Code 11, Code 39, Code 93, Code 128, IS BT128, UPC-A, UPC-E, EAN -8, EAN -13, UPC and EAN 2-or 5-digit extensions, Plessey , Postnet, Standard 2-of-5, Industrial 2-of-5, Interleaved 2-of-5, Logmars, MSI, Codabar and Planet Code 2D: Codablock, PDF417, Code 49, DataMatrix, MaxiCode, QR Code, MicroPDF, Aztec
Power supply: 100-240 V AC, 50-60 Hz
The package contains: USB cable; power source; Power cable; Driver CDs; user manual.
Dimensions: 220.8 x 177.5 x 150.7 mm
Color: gray
Weight: 1.35 kg
Operating temperature: 4.4 ° - 41 ° C