The Cyan EP-W2021X Toner Cartridge is a compatible product designed for use with HP Laserjet printers in the HP M454/ MFP M479. Made by the brand EcoPlus, this toner cartridge is specifically designed to provide high-quality black printing. This cartridge ensures reliable performance and consistent results. Perfect for businesses or individuals looking for cost-effective printing solutions without sacrificing quality. This product does not have a chip. You can remove the chip from your depleted cartridge and place it into this one to make it work.