Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
Image formation device and agent supplying device including absorber conveying by negative pressure
A toner container contains a powdery toner. A powder pump conveys the toner in the toner container to a substantially closed, certain location using negative pressure. A toner conveyance tube conveys the toner from the container to the powder pump. An air pump supplies air into the toner container. An on/off valve opens and closes the toner conveyance tube.
Ricoh Company, LTD
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inventional additional inventional inventional inventional inventional
Satoshi Junichi Kazuhisa Hideo Yoshio Hideki
Muramatsu Matsumoto Sudo Yoshizawa Hattori Kimura