Zebra GK420d 203dpi, DT, USB auto-sensing Serial and Parallel (Centronics) Euro and UK Power Cords. Print technology: Direct thermal, Maximum resolution: 203 x 203 DPI, Print speed: 127 mm/sec. Supported paper width: 104 mm. Connectivity technology: Wired. Product colour: Grey. The Zebra enhanced GK420d direct thermal printer offers the best value in a basic desktop printer, featuring a fast 5 inches per second print speed to meet your low- to medium-volume printing requirements. The GK420d has a sleek and compact design, boasts the smallest footprint in a 4-inch desktop printer, and supports a variety of applications and industries.   Specifications Warranty Limited Warranty 1 Year Fonts & Emulation Language Emulation ZPL XML EPL Interfaces/Ports USB Yes Serial Port Yes Parallel Port Yes Memory Flash Memory 4 MB Standard Memory 8 MB Memory Technology SDRAM Media Types & Handling Media Thickness 190.5 µm Maximum Roll Diameter 127 mm Media Type Black Bar Tag Stock Receipt