*Replaces Zebra GK420D The ZD421 offers new, advanced features that make it stand apart. It includes a new, more intuitive user interface, powerful architecture and field-upgradeable wireless kit. It also has new media guide and media handling designs that make daily operation even easier. • Print methods: Thermal Transfer or Direct Thermal • ZPL and EPL programming languages • 5 status icon, 3 button user interface • USB 2.0, USB Host • Printer setup mobile app for Android and iOS • Real Time Clock (RTC) • OpenACCESS™ for easy media loading • Dual-wall frame construction • ENERGY STAR® certified
