A color image forming device includes a photosensitive unit, an exposing unit, a plurality of developing units, a first transfer body, a second transfer body and a fixing unit. The photosensitive unit includes a photosensitive member with a photosensitive layer. The exposing unit exposes the photosensitive layer to form a series of latent images on the photosensitive member. Each of the developing units includes a developing-agent bearing member bearing thereon a different color developing agent and supplies the developing agent to the photosensitive member to develop corresponding latent images into visible images. The first transfer body receives the visible images from the photosensitive member. The second transfer body receives transfer of the visible images from the first transfer body and transfers the visible images onto a recording medium. The fixing unit fixes the visible images onto the recording medium.