LD remanufactured ink cartridges are specially engineered to produce professional looking prints from the first page to the very last. Remanufactured replacement ink cartridges for HP 940XL series feature a ‘smart chip’ to track ink levels. Also available, low prices on original HP supplies. Remanufactured ink cartridges for HP replace the original HP C4906AN high yield black, C4907AN high yield cyan, C4908AN high yield magenta, and C4909AN high yield yellow. Order with LD Products and receive an industry best, 100% satisfaction guarantee!