Zebra GK4H-102210-000 GK420t Health Care Thermal Transfer Barcode Printer Memory: 4MB Flash Cutter: Yes Ribbon Characteristics: Outside diameter: 1.36 / 35 mm Standard length: 244' / 74 m Ratio: 1:1 media to roll to ribbon Width: 1.33 / 33.8 mm to 4.3 / 109.2 mm Core inner diameter: 0.5 / 12.7 mm Media Type: Roll-fed or fan-fed, die-cut or continuous direct thermal labels with or without black line, tag stock, continuous receipt paper, wristbands Media sizes supported: Label and Liner Length Maximum non-continuous: 39 / 991 mm Minimum label length: 38 / 9.7 mm Maximum Label and Liner Width 0.75 / 19 mm to 4.25 / 108 mm Maximum Media Roll Size: 5/127 mm O.D. Media Thickness: 0.003/0.08 mm to 0.0075/0.19 mm Interface: RS-232 auto-sensing Serial interface, DB-9 USB V1.1, bi-directional Centronics parallel Ethernet - 10/100 internal (optional, replaces Serial and Parallel ports)...