The Zebra GK420d model is your best value in a basic desktop thermal printer. The GK420d's enhanced performance delivers fast print speeds of up to 5 inches per second and fast first label out. USB and serial connectivity interfaces come standard, or use the ZebraNet® 10/100 Print Server option for distributed printing on the GK420d. Well-suited to retail, healthcare and manufacturing industries, the extra compact GK420d direct thermal printer is the perfect fit wherever you need a low-priced, space-saving printer for receipts, coupons, labels or tags. Along with fast print speeds of up to 5 inches per second, it offers USB/serial connectivity and a 10/100 Ethernet option.