M710 Series snap-in print ribbons enable 5-second ribbon supply changes. No calibrating, no threading, no waste, no hassles and the ink always faces the right direction! The R4300 ribbon offers strong resistance against smearing and chemicals when printed on the appropriate Brady label material. Recommended for printing on paper and films that have a matte or rough surface, such as B-427 Self-Laminating Vinyl and B-499 Nylon Cloth from Brady. Tough, smear-proof ribbon produces long lasting printed text that can withstand years in industrial areas.. Self-contained M7 Printer ribbon cartridges insert straight into the printer with ease. Brady Authentic materials work seamlessly with Brady printers for improved printer and material communication, seamless mobile app interaction, and better performance and reliability.