This is a remanufactured HP CE250X (504X) high-yield black laser toner cartridge. It is designed to provide reliable performance with your HP printer. The cartridge is remanufactured using both OEM and non-OEM parts, ensuring high quality and reliability. This high-yield toner cartridge offers an economical alternative to expensive OEM options, while maintaining exceptional print quality. The use of remanufactured cartridges does not void your printer's warranty.