An Introduction to Thermal Transfer Overprinting (TTO) Ribbon
The thermal transfer overprinting ribbon is a layer of PET film coated with fusible ink on one side and a protective layer called a back coating on the other side. TTO ribbon is generally composed of the front lead ribbon (handle), the original ribbon, the rear lead ribbon, and the shaft core. The front lead ribbon (handle) is in front of the original ribbon, and the rear leader is at the end of the ribbon roll (some ribbons do not have a rear leader). The Front Lead Ribbon The front lead ribbon is generally transparent and has the following functions: It is convenient to install the ribbon on the printer; Product names, company names and trademarks can be printed as product identifications on it for marketing; It can protect the ribbon. The Original Ribbon The original ribbon generally consists of five layers. Top coating It is mainly used to improve the adhesion of ink on the printing target medium and enhance the resistance against the environment; Ink layer...