The Canon PFI-300PBK Photo Black Ink Cartridge allows professionals to bring their images to life with professional inks for detailed and reliable results every time they print. Bring your images to life with professional inks for detailed and reliable results every time, it also offers enhanced dynamic range and delivers the deepest black density in the entire IPF PRO range. Enable greater subtlety in monochrome printing by selecting “Black and White Photo Print” in Professional Print & Layout. Print up to 303 photos on 4x6” photo paper or 33 photos on A3.