How to change the ribbon in a GK420T Zebra printer? - YouTube
thermal transfer ribbon 4.33" x 243' (110mmx74m) - 1 Roll. Resin Enhanced Wax 1/2 Inch Core Barcode Ribbon Ink Out for Label, Tag Barcode Printing for Zebra TEC,GC420t GK420t GX420t TLP2442 TLP2844:
Zebra thermal transfer ribbons for GK420t desktop printers