Patent ID: 7970313

Claim:
An image forming apparatus comprising: a housing having a first opening and a second opening which are directed in a same direction; a plurality of developing units which are disposed in parallel in the housing along an oblique direction inclined with respect to a horizontal plane, the developing units which are configured to be attached to and detached from the housing along the oblique direction through the first opening, each of the developing units comprising an image carrier on which an electrostatic latent image is formed, and a developer carrier which carries developer for supplying the developer to the image carrier and for visualizing the electrostatic latent image to form a developer image; and a plurality of developer cartridges which correspond to the plurality of developing units, each of the developer cartridges containing the developer to be supplied to a respective one of the plurality of the developer carriers, each of the developer cartridges being disposed in parallel with each other in the housing to be opposite to an end of a respective one of the developing units along a substantially horizontal direction in a longitudinal direction of the developer carrier, the developer cartridges which are configured to be attached to and detached from the housing through the second opening.