Ricoh Company, Ltd.

Ryo Tanoue

Satoshi Takano

Shinichi Kawahara

Nobuo Kikuchi

Shunji Kato

Masasumi Yahata

Yuji Kitajima

An image forming apparatus includes a toner bank that is configured to hold a large-volume of toner that is ultimately used to develop a latent image formed on a latent image carrier. A developing apparatus develops the latent image into a visible image. The toner is supplied to the toner bank, which need not be located adjacent to the developing apparatus, using a mechanism that prevents the toner from becoming clogged while being transported to the developing apparatus from the toner bank. In the toner bank, more than one toner bottles are vertically set. The toner bottles are individually opened and closed at respective opening portions thereon with an opening/closing mechanism and are rotated so as to discharge toner therefrom. Toner discharged from the toner bottles is dropped into the toner bank and is supplied to a developing apparatus by a flexible toner delivering mechanism having a powder pump unit and a flexible toner supplying pipe.

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Yokohama, Japan

Ryo Tanoue