SPEED Remanufactured Ink Cartridge 2 Black Replacement for HP 45 (51645A) - SHIPS FAST Black ink tank contains 50ml, page yield up to 850 pages per cartridge @ 5% coverage. Compatible Printers: Deskjet700 Seies/800 Series/900 Series/1000 Series/1200 Series/1600 Series DesignJet 700/750C/750C Plus OfficeJet R40xi/R60/R80/T45/OfficeJet Pro 1150/1175 Series Photosmart P1000/P1100xi/Color Copier 110/140/150/210. 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.