Patent ID: 7158741

Claim:
A developing device for a liquid electrophotographic image forming apparatus, the developing device comprising: a developing roller, which supplies ink to a photosensitive body on which an electrostatic latent image is formed, and develops the electrostatic latent image; an ink reservoir in which ink supplied to the developing roller is accommodated; an ink removal unit, which removes ink remaining in the ink reservoir after a development operation is performed, and wherein the ink removal unit comprises: an ink removal member, which is rotatably installed in the ink reservoir and rotates to remove ink through a through hole formed under the ink reservoir by rotation, wherein the ink removal member includes first and second screw springs, which are located on opposite sides of the through hole and rotate to move ink in the ink reservoir to the through hole and wherein one end of each of the first and second screw springs is rotatably installed on opposite ends of the ink reservoir, and the other end of each of the first and second screw springs are connected to each other; a driving member, which rotates the ink removal member; and an ink cartridge, which stores ink exhausted through the through.