The Zebra ZD421 Healthcare (ZD4AH42-30EE00EZ) is a desktop thermal-transfer printer for producing labels and other supported media. Its 203 dpi resolution is suited to everyday label printing, while the maximum print width of 104 mm accommodates a range of label formats.
The listed connections are USB and Ethernet, with Bluetooth Low Energy also identified for this model. Supported media include roll or fanfold stock, die-cut or continuous media, receipt paper, tags and wristbands, so the printer can serve different identification and labeling tasks.
Thermal-transfer printing uses ribbon; the listing specifies ribbon lengths of 74 m or 300 m. The stated maximum print speed is 152 mm/s.