The LD remanufactured CF210A (HP 131A) black laser toner cartridge is professionally remanufactured by LD Products. LD remanufactured cartridges may contain new internal parts including OPC drums and wiper blades. Purchasing LD remanufactured cartridges is an excellent way to save money without sacrificing quality. The use of the LD remanufactured CF210A / 131A Black laser toner does not void your printer's warranty. LD remanufactured laser cartridges are not remanufactured by HP. All of our remanufactured products are offered with a '100% Quality Satisfaction Guarantee'.