| 摘要 |
PURPOSE:To prevent toner from scattering out of a toner recovery tank by closing the toner receiving opening of the toner recovery tank automatically when a photosensitive body unit is detached from an image reproducing device. CONSTITUTION:A toner receiving opening opening/closing lid 21 which is rotated around a fulcrum 20 to performs opening and closing operation is provided to the toner receiving opening 17f of the photosensitive body unit 16. This lid 21 is so energized by a torsion spring to close the opening 17f normally and when the photosensitive body unit 16 is incorporated in the unit receiving member 22 of a developing device unit or a device main body, the opening/ closing lid 21 is opened by its side plate front end 22a. The photosensitive body unit is detached from the unit receiving member and the opening/closing lid 21 is closed automatically to prevent the toner collected in the tank from scattering out or falling. |
