When remanufacturing an original Hewlett Packard CF540X toner cartridge, great care is taken to identify any worn parts, without compromising the overall integrity of the black toner cartridge. The unusable parts of the HP 203X black toner cartridge are then replaced with quality compatible components and the whole thing filled with a high quality powder.This high capacity remanufactured cartridge features a much higher page yield than the CF540A black toner cartridge (and the rest of the HP 203A) range, which are also available as Hewlett Packard originals. The same compatibility with many excellent Hewlett Packard colour laser printers is maintained with the ramanufactured CF540X black toner cartridge. Finely crafted by one of our oldest and most trusted suppliers, the CF540X toner cartridge (and the rest of the HP 203X range) comes fully guaranteed.