SPEED&trade; HP 940XL Remanufactured Ink Cartridge - C4906A C4907A C4908A C4909A (2 Black, 1 Cyan, 1 Magenta, 1 Yellow) for HP OfficeJet Pro Series Printer HP 940BX ink tank contains 80ml, yields up to 2200 pages per cartridge @ 5% coverage. HP 940XL color ink tank contains 35ml, yields up to 1400 pages per cartridge @ 5. Compatible Printers: Officejet Pro 8000, Officejet Pro 8500A, Officejet Pro 8500 Premier, Officejet Pro 8000 Enterprise, Officejet Pro 8500, Officejet Pro 8500A Plus, Officejet Pro 8500 Wireless, Officejet Pro 8000 Wireless, Officejet Pro 8500A Premium. Print Effectiveness: Make printing smoother, natural looking images and fewer granularities, producing best looking prints ever. Inks stop to come out automatically when printing is over. Technology: SPEED ink cartridges are adopted the leading Print Head Cleaning Technology, Print Head Testing Machine Technology, Eco Friendly Technology, Zero-energy Technology. The cartridges underwent an extensive process including, cleaning, testing the chip, ink vacuum refilling, totally pass to 27 production lines. All cartridges reach the standard when they are tested in any severe environment. Warranty: CE, TUV, ROHS, ISO9001, ISO4001 International Quality Certified.