The Zebra GK420t is a thermal transfer printer that uses ribbons for printing high-quality labels. If you're looking for information about the ribbon types compatible with the GK420t, here are some key points: Ribbon Types Wax Ribbons: Best for general-purpose label printing, suitable for paper labels, and provides decent durability. Resin Ribbons: Ideal for printing on synthetic... https://theprintcartridgeshop.com.au/product/4-x-rolls-zebra-ribbon-for-gk420t-gx420t-gx430t-thermal-transfer-ribbon-wax-roll/