Patent ID: 8886084
Filing Date: 2014-11-11
Classification: G03G

Abstract:
1. An image forming apparatus comprising: a casing including a pair of frames, each frame having a groove; a moving unit configured to move between an outer position located at an outside of the casing and an inner position located at an inside of the casing in a moving direction; and a plurality of cartridges arranged in the moving direction, each cartridge accommodating a developing agent therein and configured to be detachable and attachable relative to the moving unit, each cartridge including a developing roller extending an axial direction orthogonal to the moving direction, wherein the moving unit includes: a pair of side plates, each side plate having a first end and a second end that is disposed upstream of the first end in a first direction in which the moving unit moves from the outer position to the inner position, and a pair of positioning portions protruding in the axial direction, each positioning portion protruding from a portion of a corresponding side plate adjacent to the second end and engaging with a corresponding groove when the moving unit is disposed at the inner position.