This product is as good as the originals, if not better. Manufactured with the highest quality standards, please rest assured that DoorStepInk remanufactured C6615DN (HP 15) ink cartridge will give you the same satisfaction as the original. We remanufacture and refill this C6615DN ink cartridge to perfection with our proprietary remanufacturing process. The pigment-based ink formula is designed for efficient electrical circuitry and archival print life. Our remanufactured C6615DN cartridge has been both tested and inspected by a team of print experts and they were unable to distinguish it from the original C6615DN ink cartridge.