Polaroid Professional H-WC940XLB-PRO Remanufactured Inkjet Cartridge Replacement for HP940XL (C4906AN), Black Ink Replaces HP 940XL (C4906AN) high yield black inkjet cartridge Compatible with these printers: HP Officejet Pro 8000, 8000 Wireless, 8500, 8500 Premier, 8500 Wireless, 8500A, 8500A Premium, Officejet Plus 8500A Prints up to 2,200 pages Includes 1 black, premium inkjet cartridge, part number: H-WC940XLB-PRO Polaroid Professional 100% performance guarantee Replaces HP 940XL (C4906AN) high yield black inkjet cartridge Prints up to 2,200 pages Includes 1 black, premium inkjet cartridge, part number: H-WC940XLB-PRO Polaroid Professional 100% performance guarantee