The superb genuine Lexmark 74C2SK0 balances out cost and page yield to be a good all round black toner cartridge for your CX725 series printer. You can find a complete list of all compatible printers on this very page!With sufficient toner power to give an estimated 7,000 prints the original Lexmark 74C2SK0 cartridge is designed for typical office (or very busy home) use. Filled with Lexmark quality and also benefiting from their own \"Return Programme\" the 74C2SK0 toner offers an incredible way of getting great quality prints and reducing waste too.