Electrophotography – Having particular structure – Modular or displaceable
Patent
1996-12-24
1999-03-23
Pendegrass, Joan
Electrophotography
Having particular structure
Modular or displaceable
399 27, 399227, G03G 1501, G03G 1508
Patent
active
058872175
ABSTRACT:
In an image forming apparatus, a rotary developing device or revolver has a plurality of developing sections each storing a developer of particular color thereinside. The revolver is rotatable to sequentially move the developing sections to a preselected developing position so as to develop toner images sequentially formed on an image carrier. Toner cartridges are each removably mounted to the respective developing section. Only one of the cartridges located at a preselected replacing position can be pulled out and replaced. A toner cartridge is prevented from being accidentally mounted to the developing section located at the replacing position and whose cartridge has already been replaced.
REFERENCES:
patent: 4620783 (1986-11-01), Tanaka et al.
patent: 4916547 (1990-04-01), Katsumata et al.
patent: 5617198 (1997-04-01), Ishikawa et al.
Hosaka Hiroshi
Kosuge Katsuhiro
Mitekura Yoshihiro
Pendegrass Joan
Ricoh & Company, Ltd.
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