Limeink Compatible Ink Cartridge Replacements 940XL High Yield (2 Black, 2 Pack) MOST RELIABLE INK BRAND ON THE MARKET. Our Limeink cartridges come with a 1-year warranty. Cartridges come filled with chip, and work with all new printers. Compatible with HP models: OfficeJet 8000 Enterprise - A811a Officejet Pro: 8000, 8000 Wireless, 8500, 8500A, 8500 Premier - A909a, 8500A - A910a, 8500A Plus - A910g, 8500A Premium - A910n, 8500 Premier - A909n, 8500 Wireless, 8500 Wireless - A909g, all other Officejet 8000, 8000a, 8500 and 8500a models. Page yield: 2300 pages per cartridge (Black), 1400 per cartridge (Color). These remanufactured cartridges do not void the printer's warranty. All cartridges go through a rigorous quality control procedure, and are ISO 9002 Certified. For my information contact us directly by clicking on our store name (Bordeaux Tech) at the top of this page underneath the product's price , and clicking on the top right 'Ask a question' button.