Remanufactured Ink Cartridge Replacement for HP 74XL CB336WN & HP 75XL CB338WN (2 Black & 1 Color, 3-Pack) for HP Photosmart Series Printer HP 74XL ink tank contains 25ml, yields up to 750 pages per cartridge @ 5% coverage. HP 75XL ink tank contains 21ml, yields up to 520 pages per cartridge @ 5% coverage. Compatible Printers: Photosmart C5580, Photosmart C4285, Photosmart C4440, Photosmart C5280, Photosmart D5360, Photosmart C4250, Photosmart C4385, Photosmart. 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.