ZEBRA, PRINTER, GX420T, GX42-102410-150, TT, 203DPI, US CORD, EPL2, ZPL II, USB, SERIAL, ETHERNET, 64MB FLASH, RTC, ADJUSTABLE BLACK LINE SENSOR. The best-in-class Zebra GX 420 t thermal transfer printer offers the widest range of features, and fast 6 inches per second print speed to meet all your low- to medium-volume printing requirements. The GX 420 t has a sleek and compact design, boasts the easiest ribbon loading system on the market, and supports a variety of applications and industries. The GX 420 t comes standard with EPL and ZPL programming languages and triple connectivity for easy integration into existing systems. For additional flexibility, 10/100 internal Ethernet is also available. Well-suited to any industry and with options such as an adjustable media sensor, cutter and peeler, the reliable Zebra GX 420 t desktop printer is a smart investment that's always a perfect fit.