This Primera 53604 Ink Cartridge in black is a great addition to your Primera Bravo 4100 Series Printer. It is a genuine and original product that is compatible with Primera printers. The unit type is a unit and the model number is 53604. The ink cartridge is perfect for printing high-quality documents, presentations, and other professional materials. It is compatible with various Primera models and is easy to install. The color of the ink is black, which provides crisp and clear text that is easy to read. Get this ink cartridge today and enjoy professional-quality prints with ease.