Proven performance Experience an amazing range of colors when you use v4ink cartridges. Every cartridge is backed of high-performance manufacturing experience from ISO 9000 / ISO 14001 certified state-of-the-art facilities, thoroughly tested for performance and reliability. Fine Precision, High Yield Highly purified toner assures the long-lasting character of the cartridge which allows it to produce more pages comparing to similar products at a fraction of the cost. Page Yield: 2400 pages per black toner cartridge and 1800 pages per color toner cartridge at 5% Coverage of letter/A4. State of the art assembly process Digital auto filling of toner - precise toner fill rates optimum yield and performance Good performance and stable quality Components are lab tested and scientifically matched for every cartridge to ensure toner batch quality. Highest- quality components Each v4ink remanufactured replacement toner cartridge is filled with high quality compatible toner powder and rebuilt by using premium recycled components Strong Packing Every v4ink toner cartridge comes with high-strength carton ensure a safe arrival from warehouse to your delivery location.