Zebra GK420t The professional Zebra GK420t printer for printing barcodes and stickers, suitable for shops, warehouses, shipping companies, pharmacies, and factories. Features: Direct Thermal & Thermal Transfer printing. Print resolution of 203 dpi. Print speed up to 5 inches/sec. Supports printing barcodes, product labels, and shipping labels. Supports ZPL and EPL printing languages. Easy to use and fast to load rolls and ribbons.