The Epson Cartridge ColorWorks GP-C831 Printer Black Genuine GJIC5-K Ink is a high-quality ink cartridge designed specifically for Epson printers. This genuine/ original product offers excellent compatibility with the Epson ColorWorks GP-C831 model, ensuring optimal performance and impressive print results. With its pigment ink type and black color, this Epson ink cartridge is the perfect choice for professional printing tasks. Each unit quantity comes with one cartridge, providing reliable and consistent printing results every time.