The Brother Genuine LC109BK XXL Black Ink Cartridge is a high-quality printer accessory designed specifically for Brother printers such as the MFC-J6520DW Inkjet. This genuine/original product ensures reliable and consistent printing performance, with a manufacturer warranty of 1 year for added peace of mind. With a sleek black color and large size (2400 items in each dimension), this ink cartridge is compatible with various Brother printer models like the MFC-J6920DW, MFC-J6720DW, and MFC-J6520DW, providing a seamless printing experience for your documents and images.