The Zebra GK420T is a thermal transfer printer commonly used for printing labels. When it comes to ribbons, here are some key points to consider: Ribbon Types Wax Ribbons: Suitable for printing on paper labels. They offer good print quality and are cost-effective for general use. Resin Ribbons: Best for synthetic labels and materials. They provide high durability and resistance... https://theprintcartridgeshop.com.au/product/4-x-rolls-zebra-ribbon-for-gk420t-gx420t-gx430t-thermal-transfer-ribbon-wax-roll/