Label Printer Zebra ZD421 203 dpi with USB, Bluetooth and Wi‑Fi connectivity

Zebra ZD421 203 dpi is a compact desktop label printer designed for on‑demand printing of labels, tags and receipts. The thermal transfer mechanism provides a maximum print width of 104 mm and supports media up to 108 mm wide. With 203 dpi (8 dots/mm) resolution, a maximum print speed of 152 mm/s and a real‑time clock, this model is intended for retail, logistics and light industrial environments where reliable, space‑efficient label printing is required.

Advantages

The ZD421 offers multiple connectivity options — USB, USB Host, Bluetooth and Wi‑Fi (Wi‑Fi 6) — for simple integration with PCs and mobile devices. It includes 256 MB RAM and 512 MB Flash memory, supports EZPL emulation and provides both Black Mark and Gap sensors for accurate media detection. The printer accepts ribbon cores of 12.7 mm and roll diameters up to 127 mm, and comes with a USB cable, power supply unit and EU/UK power cables.

Suitable for

• Retail — price tags, shelf labels and receipts
• Logistics — shipping and inventory labels
• Light industrial — parts labeling and small batch production

Key specifications

• Print method: Thermal transfer
• Resolution: 8 dots/mm (203 dpi)
• Max media width: 108 mm
• Max print width: 104 mm
• Max roll diameter: 127 mm
• Ribbon core: 12.7 mm
• Max speed: 152 mm/s
• Sensors: Black Mark, Gap
• Connectivity: USB, USB Host, Bluetooth, Wi‑Fi (Wi‑Fi 6)
• Memory: 256 MB RAM, 512 MB Flash
• Emulation: EZPL
• Included accessories: USB cable, power supply unit, EU and UK power cables
• Color: Grey

How to use

Install the supplied power cable and USB cable, or connect via Bluetooth or Wi‑Fi following the printer’s setup instructions. Load media and ribbon according to the feed guides, ensuring the ribbon core is 12.7 mm and roll diameter does not exceed 127 mm. Configure media sensor type (Black Mark or Gap) in the printer settings and select EZPL emulation or the host driver. Use the control panel or printer software to set label size, print speed and darkness before sending print jobs from your POS, ERP or label design application.

Usage recommendations

For consistent print quality, use thermal transfer ribbons and label media compatible with 203 dpi resolution; check sensor alignment when changing media types and update firmware via the provided update interface when needed.