This is a replacement cartridge for the Hewlett Packard CE250X 504X high-yield black laser toner cartridge which is manufactured by LD and is guaranteed to perform with your HP printer. It replaces the original HP CE250X toner cartridge. LD remanufactured replacement CE250X laser toner cartridges are specially engineered to meet the highest standards of quality and reliability you can expect from LD. Our toners have exceptional yields that meet or exceed the OEM Original Equipment Manufacturer page yield for the CE250X. Our remanufactured HP 504X contains up to 85% new parts including wiper blades, OPC drums, an electronic smart chip for accurate toner level readout and other internal components. While most competitors simply refill the toner cartridge and hope the drum and other key components last, we fully disassemble the toner cartridge and rebuild it to ensure the highest quality prints. High quality LD remanufactured CE250X toner cartridges are an economical and sensible alternative to expensive OEM CE250X HP 504X Hewlett Packard laser toner cartridges and supplies. The use of LD remanufactured replacement laser toner cartridges and supplies does not void your printers warranty. LD remanufactured laser cartridges are not remanufactured by HP.LD Products offers a 100% Quality Satisfaction Guarantee on our LD remanufactured CE250X black laser toner cartridges. For use in the following printers Color LaserJet CP3530, CP3525dn, CP3525n, CM3530, CP3525, CP3525x, CM3530fs.