Remanufactured cartridges like this alternative to the Hewlett Packard CF300A maintains the integrity of the original by reusing many components, but also keeps print quality fresh by replacing worn parts. Any compatible parts used in the remanufactured HP 827A black toner cartridge have been custom designed to purchase to ensure they work harmoniously with the rest of the unit.Maintaining the same 29,500 page yield as the genuine Hewlett Packard CF300A and compatibility with all of the same printers, this remanufactured version is sure to impress you and your wallet.