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. Self-contained ribbon cartridges are hassle-free and easy to replace without any printer calibration and ribbon threading. Tough, smear-proof ribbon produces long lasting printed text that can withstand years in industrial areas.. Self-contained B30 Series cartridges drop straight into the printer with a "click".