Patent ID: 7289742

Claim:
A printer comprising: a mechanism mounting section which is able to attach plural image forming sections; a color information obtaining section to obtain color information informing kind of coloring material contained in each of said plural image forming sections attached at each prescribed position of said mechanism mounting section; and an image processing section to generate each image data corresponding to each of said plural image forming sections, based on said image information, wherein when said image processing section detects that plural image forming sections having the same kind of coloring material exist among said plural image forming sections attached to said mechanism mounting section, the image processing section (i) validates one of the same kind of plural image forming sections, (ii) generates image data corresponding to the validated image forming section, and (iii) invalidates the rest of the same kind of plural image forming sections, so as to exclude the rest of the same kind of plural image forming sections out of object of generating image.