SPEED Remanufactured Ink Cartridge Replacement for HP CC641WN ( Black , 1-Pack ) Black HP 60XL ink tank contains 15ml, yields up to 600 pages per cartridge @ 5% coverage. Compatible Printers: Photosmart C4680, Photosmart C4635, Photosmart C4750, Photosmart C4650, Photosmart C4640, Photosmart D110A, Photosmart C4780, Photosmart C4740, Photosmart C4795, Deskjet D2660, Deskjet F4435, Deskjet F2480, Deskjet F4480, Deskjet F4235, Deskjet D5560, Deskjet D1660, Deskjet D2560, Deskjet F4440, Deskjet D2680, Deskjet F4240, Deskjet F2430, Deskjet F4280, Deskjet D2530, Deskjet F4210, Envy 100, ENVY 110, ENVY 111, ENVY 114, ENVY 120, ENVY 121. 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.