Patent ID: 8374525
Filing Date: 2013-02-12
Classification: G03G

Abstract:
1. An image forming apparatus comprising: an apparatus body; a tandem photosensitive drum unit which holds a plurality of photosensitive drums to be in parallel with each other, and is movably mounted in the apparatus body along an array direction of the photosensitive drums; a developing cartridge which is provided for each of the photosensitive drums, supports a developing roller for supplying developer to the corresponding photosensitive drum, and is configured to be detachably mounted in the tandem photosensitive drum unit; a translation member which is provided in the apparatus body to be movable linearly in the array direction; a first supporting shaft which is provided on the tandem photosensitive drum unit for each of the developing cartridges; and a pivoting member which is rotatably supported by the first supporting shaft, wherein the pivoting member includes: