Image forming apparatus with a sensing device that determines th

Details Image forming apparatus with a sensing device that determines th Image forming apparatus with a sensing device that determines th

1997-10-10

1999-01-19

Pendegrass, Joan

Electrophotography

Diagnostics

Component present or mounted

399227, G03G 1501

Patent

active

058624309

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: 4697915 (1987-10-01), Hayashi et al.
patent: 4939548 (1990-07-01), Yamada et al.

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