| 摘要 |
PROBLEM TO BE SOLVED: To load an image forming unit without damaging an image forming body by constituting the integral image forming unit by housing an image exposure means inside the image forming body, forming a process unit by providing the circumference of the image forming unit with a casing and enabling the process unit to be assembled and disassembled. SOLUTION: The process unit 400 is formed by concentrically integrating the image forming body (photoreceptor drum) 10 and respective exposure units 12 as a drum unit 300 with a supporting shaft 30 as a center and including the unit 300 in the casing 410. The unit 400 is formed so that it can be assembled or disassembled. By such constitution, when the drum 10 is exchanged or the units 12 are maintained, a drum supporting substrate 80 holding the unit 400 is separated from a front side plate 70. Thus, the unit 300 can be loaded without damaging the drum 10 and the drum 10 is easily exchanged in order to use the units 12 again. |
