The genuine Lexmark 73B20Y0 toner cartridge comes packed with enough yellow toner powder to offer users of the Lexmark CX827de and CS827de an estimated 15,000 prints.Filled with a substantial amount of Lexmark yellow toner powder, the 73B20Y0 is a refreshingly large toner cartridge that bucks trends too often prevalent in the industry. Lexmark have also seen fit to make the original 73B20Y0 part of their \"Return Program\". The aforementioned program means that the genuine Lexmark 73B20Y0 is offered at the low price shown here with the understanding that you will return the empty to them when you are done.