| 摘要 |
PURPOSE: To provide a photoreceptor drum sensitivity correcting device of a business machine (an electrophotographic system) by which sensitivity correction is easily adjusted and installation and handling are facilitated needless to say manufacture by correcting the light quantity change with a slit width which can freely adjust a sensitivity change in a photoreceptor. CONSTITUTION: In a cartridge system business machine by integrally forming peripheral parts or the like such as a photoreceptor drum 1, an electrifier 3 and a static eliminator 4, a prescribed adjusting member 9 is arranged in one side part of a slit part 10 which is formed in an upper side part of the drum 1 and in which the light is flowed, since a sensitivity change and a light quantity change in a photoreceptor caused by a limit of manufacturing capacity of the photosensitive drum 1 is made correctable, sensitivity of the photosensitive drum 1 can be easily and accurately adjusted, so that reliability of a product can be improved further. |
