
The Zebra ZD421 is a direct thermal label printer with a resolution of 203 x 203 DPI and a print speed of 152 mm/sec. It supports USB, Ethernet, and Bluetooth 5.0 for flexible connectivity. The maximum print width is 10.4 cm, with label lengths up to 991 mm. The printer features 256 MB RAM and 512 MB flash memory. Dimensions are 177.5 x 220.8 x 150.7 mm, with a weight of 1.35 kg. It operates within a temperature range of 4.4 to 41 °C and relative humidity of 10-90%.