Magnetic Ink Mixing Roller is maintenance free, non – electric, hassle free device, which mixes the ink continuously & constantly. It is a metal device in cylindrical shape with magnet at both of its end (As shown in fig.) it is installed in the ink tray in such a position that it touches the printing cylinder constantly. When the printing process starts & the printing cylinder starts rotating it also starts rotating as it touches the cylinder constantly with the help of magnets at the both of its end. Hence it mixes the ink continuously & constantly without using electricity or any other kind of expensive power.