| 摘要 |
PURPOSE:To prevent clogging of a developer and scattering of the developer, etc., which are caused by an incomplete junction, by providing an energizing means for energizing a cover in the direction for opening it from a device body to a position where it is detected by a detecting means that the cover is in an open state. CONSTITUTION:The titled device is provided with detecting means 80, 73 which are provided on a device body 14 and a cover 47, and detect whether the cover 47 is in an open state or in a closed state against the device body, a detaining means 71 which is detained in a state that the cover 47 has been closed to the device body 14 and provided at a prescribed position in the cover 47, and an energizing means 77 for energizing the cover 47 in the direction for opening it from the device body 14 to a position where it is detected by the detecting means 80, 73 that at least the cover 47 is in an open state, when a detention of the detaining means 71 so as to open the cover 47 from the device body 14. In such a way, clogging of a developer and scattering of the developer, etc., which are caused by an incomplete junction can be prevented.
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