Kyocera TK-5242K Toner Cartridge - Standard Yield - BlackThe TK 5242K Print up to 4000 pages as verified by the ISO 5 percent standard adhered to by this toner cartridge, Kyocera products not only help customers to improve the efficiency and quality of their work, but they also ensure that outstanding output can be achieved with a minimal impact on the environment. The black ink's reliable formulation produces consistent page coverage on multiple page printouts, and its high yield makes it suitable for