Patent ID: 7065304
Filing Date: 2006-06-20
Classification: G03G

Abstract:
1. An image forming apparatus comprising: an electrostatic latent image carrier for carrying an electrostatic latent image on a peripheral surface thereof; a plurality of development units each accommodating a toner and adapted to develop the electrostatic latent image by the toner; a development unit holder capable of holding said plurality of development units; and a control unit for said development unit holder for controlling an operation of said development unit holder and for selectively changing over said development unit used in development among said plurality of development units, wherein said image formation apparatus is provided with an identifying device for identifying at least color information on the toner accommodated in said development unit, said development unit holder is capable of holding at least two development units accommodating the toner of a same color, and said control unit identifies said development units of the same color based on the color information identified by said identifying device, and controls the operation of said development unit holder so as to effect monochrome development by using said at least two development units.