Patent ID: 7289747

Claim:
An image forming apparatus comprising: an image carrier on which an electrostatic latent image is formed; a plurality of development cartridges, each of which includes toner and is adapted to face the image carrier at a development position, and each of which causes the toner to adhere onto the image carrier to develop the electrostatic latent image as a toner image; a development device configured to be rotatable around a rotational axis thereof, the development device housing the plurality of development cartridges around the rotational axis; and a duct including an inlet port through which air in the vicinity of the development position is sucked and an outlet port from which the sucked air is exhausted to the outside of the image forming apparatus, wherein at least a part of the duct is defined by a detachable unit that is located in close proximity to the development device, the duct is defined by a pair of opposing plates, and the detachable unit includes one of the plates so that the one of the plates is detachable from the image forming apparatus together with the detachable unit.