The ZT421 from Zebra's ZT400 series provides increased printing speed, communication capabilities, and management and support tools. Options that can be installed at the factory or at the customer site, such as RFID and media management, allow printers to be adapted to current and future business needs. In addition, the open architecture allows these printers to evolve with technology. Illuminated and color-coded tracks that indicate how media are loaded from the side allow for easy media and ribbon loading, and tool-free printhead and spindle replacement for uptime. A 4.3?color monitor that shows a clear summary of printer status, including color-coded alerts when the printer is stopped or in a bad state? This lets you know immediately when the printer needs your attention. Dynamic QR codes provide on-demand online support? Including video access? To quickly solve printer problems. Easy integration and management with the Zebra Print DNA suite of tools, applications and software supported by Link-OS.