Save even more with our 4 pack remanufactured Hewlett Packard (HP) 5500/5550 Laser Toner cartridges: This bulk set includes 1 each of black C9730A, cyan C9731A, magenta C9732A, and yellow C9733A laser toner cartridges. These are replacement cartridges for the Hewlett Packard Color LaserJet 5500/5550 series printers. These toner cartridges which were manufactured by LD are guaranteed to perform with your HP printer. LD remanufactured replacement 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. Our remanufactured HP toners 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 toner cartridges are an economical and sensible alternative to expensive Hewlett Packard laser toner cartridges and supplies. The use of LD remanufactured replacement laser toner cartridges and supplies do not void your printers warranty. LD remanufactured laser cartridges are not remanufactured by HP. So stock up now and save even more! This combo set works with the following HP Color LaserJet printers: 5500, 5500dn, 5500dtn, 5500hdn, 5500n, 5550, 5550dn, 5550dtn, 5550hdn, 5550n. We are the exclusive reseller of LD Products brand of high quality printing supplies on Newegg.