The Zebra GK420d direct thermal printer are the ideal option for applications that require network manageability and low total cost of ownership. Zebra’s GK Series desktop printers combine dependable printing with fast print speeds and network manageability. With their easy-to-use design, Zebra’s advanced desktop printers enable you to improve operational efficiencies. The top selling desktop printer in the world, the GK420 provides a proven design and long term dependability. The GK420 model is the top choice for a variety of mid-volume and distributed-printing applications to reliably produce quality text, barcodes or graphics. The GK420 offers USB, Parallel and Serial connectivity interfaces and easy upgrades with both the ZPL and EPL programming languages.