An original black toner cartridge for those who mean business, the Lexmark 84C2HK0 from Lexmark offers the very lowest cost per page of any cartridge compatible with the CX725 printer range.If the 25,000 page yield of the Lexmark 84C2HK0 black toner cartridge was not enough to persuade you then the cartridges inclusion in Lexmark`s own \"Return Programme\" will too. This recycling scheme not only helps to keep costs low, but reduces the amount of waste produced in the manufacturing process and (by extension) your environmental impact too! The genuine Lexmark 84C2HK0 is the highest quality high capacity black toner cartridge on the market and the results speak for themselves.