Developing device accommodating apparatus and image forming apparatus and developing device

摘要

An image forming apparatus includes accommodating assembly for accommodating a plurality of developing devices on stages arranged substantially vertically and having first driving mechanism for moving the developing devices in a substantially horizontal plane, an image formation assembly for receiving selected one of the developing devices moved out of the accommodating assembly and for further moving it in a substantially horizontal plane, the image formation assembly including systems for forming images using the developing device, the accommodating assembly further including an opening for allowing a the developing device to be loaded into the accommodating assembly.