The LD compatible CF281A (HP 81A) black laser toner cartridge is professionally manufactured by LD Products. This is not a remanufactured cartridge and it was not manufactured by HP. This newly built cartridge from LD Products may contain new and used parts. It is an excellent choice over costly OEM HP CF281A (81A) black laser toner cartridges. Our compatible CF281A black laser toner is Guaranteed to deliver excellent, dependable results, page after page. The use of LD compatible HP CF281A black laser toner cartridges does not void your printer's warranty. LD compatible CF281A black laser toner cartridges come with a '100% Satisfaction 100% Satisfaction Guarantee'.