Original Hewlett Packard like the CF300A are the most effective way of running your colour laser printer and offer quality of print that simply cannot be matched by compatible/remanufactured alternatives. As the HP 827A black toner cartridge has been produced by the same people as your HP Colour LaserJet Enterprise flow M880z printer (and all other compatible models), the pair work together is perfect synergy.You can expect to produce 29,500 top quality prints with this Hewlett Packard CF300A over the course of its life and this is HP`s guarantee.