The best-in-class Zebra GX420t thermal transfer printer offers the widest range of features, & fast 6 inches per second print speed to meet all your low- to medium-volume printing requirements. The Zebra GX420t has a sleek & compact design, boasts the easiest ribbon loading system on the market, & supports a variety of applications & industries. Print speed: up to 6" (152 mm) per second Print method: direct thermal/thermal transfer EPL & ZPL programming languages standard Open ACCESS design for easy media loading Quick & easy ribbon loading system Dual-wall reinforced plastic construction 32 bit RISC processor