Save even more with our 4 Pack of remanufactured replacements for HP 940XL ink cartridges This bulk set of HP 940XL inkjet cartridge replacements include 1 black C4906AN ink cartridge, 1 Cyan C4907AN, 1 Magenta C4908AN, 1 Yellow C4909AN inkjet cartridges. These cartridges were refilled with a professionally manufactured pigment-based ink formula for archival print life and color stability before being put through a rigorous testing process where it was monitored for quality and reliability. These professionally remanufactured LD cartridges for HP 940XL also have a smart chip that makes continuous adjustments to optimize print quality and enhance reliability and cost effectiveness as well as monitor ink levels. The ink delivery system allows for efficient, economical replacement of individual ink cartridges. Why buy an original HP cartridge when you can get perfect quality out of our LD remanufactured C4906AN inkjet cartridge at a fraction of the cost? Our remanufactured ink cartridges are not remanufactured by HP. For use in the following printers OfficeJet Pro 8000 and 8500.