| 摘要 |
An image forming apparatus is provided to enable a vibration unit to be installed in a wasted toner tank to pile up wasted toner constantly in the whole wasted toner tank, thereby miniaturizing the image forming apparatus. An image forming apparatus includes a wasted toner tank(51) and a wasted toner storage device(50). The wasted toner tank stores wasted toner collected from a cleaning member(24) for removing the wasted toner remaining on an image carrier(22). The wasted toner storage device has a vibration unit(60). The vibration unit is installed in the wasted toner tank to prevent the wasted toner from piling up inconstantly. The vibration unit includes an elastic member(61), a driving member(62), and a protrusion(64). The elastic member is installed in the wasted toner tank. The driving member moves the elastic member. The protrusion is installed in the inner wall of the wasted toner tank to be protruded to apply elastic force to the elastic member.
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