When it comes to printing your labels in thermal printers, you need to buy the appropriate thermal ribbon that enables the thermal printing process. In order to choose correctly, you need to get acquainted with the three different types of thermal ribbons, what they are made of and their use. In order to help you with your choice, here is all the explanation you need.
Source: http://bigfuny.com/types-and-materials-of-thermal-ribbons-explained/