For a toner that supports you in every way you might want, this Lexmark black toner cartridge is exactly what you need. Lexmark engineer their toner to provide sharp, well defined lines. This cartridge has an extra high yield meaning that you can get the same great results for longer than a normal cartridge. Lexmark return cartridge scheme, means that you can send your empty cartridges back to Lexmark and they will reuse them. This makes these cartridges friendly to the environment. This product boasts a page yield of 15,000.