Zebra ZD421 Direct Thermal USB 203dpi Label Printer

The Zebra ZD421 (ZD4A042-D0EM00EZ) is a compact and powerful desktop direct thermal label printer built for reliable performance in retail, healthcare, logistics, and light industrial environments. With a 203 dpi resolution (8 dots/mm), it delivers sharp text and barcodes at speeds up to 152 mm/sec. The printer supports media up to 108 mm wide, with a maximum print width of 104 mm, and accommodates rolls up to 127 mm in diameter.

Connectivity options include USB, USB Host, and Bluetooth Low Energy (BLE) for easy integration with existing systems. With 256 MB RAM and 512 MB Flash memory, the ZD421 supports complex label formats and fonts with ease. Additional features like a real-time clock, Black Mark Sensor, and Gap Sensor ensure accurate media handling and label positioning. The printer comes ready with a USB cable, power supply, UK power cords, all housed in a modern grey finish.

Printing Performance

• Direct thermal print method
• Resolution: 203 dpi (8 dots/mm)
• Print speed up to 152 mm/sec

Connectivity & Memory

• Interfaces: USB, USB Host, Bluetooth BLE
• 256 MB RAM, 512 MB Flash
• Real-time clock for time-stamped labeling

Sensors & Included Accessories

• Media detection: Black Mark Sensor, Gap Sensor
• Included: USB cable, power adapter, EU & UK power cables
• Compact grey housing for modern desktop environments