The compact and efficient Zebra GK420 prints with a speed of 5 inches/sec and is a handy thermal label printer. It delivers crisp details in black and white images. This easy-to-use label printer gets printing tasks done easily, quickly and efficiently.It can be connected to various devices through Serial (RS-232), USB, USB 1.1 connections. Black Print Speed Up to. Print Photos without a Pc. This item is in the category "Computers/Tablets & Networking\Printers, Scanners & Supplies\Printers". The seller is "eservecharlotte" and is located in this country: GB. This item can be shipped to United Kingdom.