The compatible toner powder contained within the remanufactured Hewlett Packard CB390A has been designed to produce prints on a par with the original cartridge. This means the toner particles in the HP 825A black toner cartridge are as uniform as possible to print smoothly with a gradual transitions between colours and without visible gaps in solid printing. The CB390A and other recycled Hewlett Packard toner cartridges give high quality results and are capable of printing consistently even at higher speeds.