Brother TN450 & DR420 High Yield Compatible Cartridge 3 Pack Combo 5746 Because they use the same Because they use the same rich ink blend as their branded versions these cartridges allow for the sharpest most vivid prints' but come at a more budget friendly price And if you've ordered this cartridge you won't just benefit from its exceptional affordable print results but contribute greatly to the environment as well With this combo pack you get only the sharpest boldest monochrome output–but at a fraction of the cost of OEMs They can be used safely with a wide selection of Brother printers and office machines such as the DCP 7060D