Image forming apparatus with toner concentration detection unit

Details Image forming apparatus with toner concentration detection unit Image forming apparatus with toner concentration detection unit

2008-07-15

2008-07-15

Ngo, Hoang (Department: 2852)

Electrophotography

Diagnostics

Consumable

C399S030000

Reexamination Certificate

active

07400838

ABSTRACT:
An image forming apparatus includes: an image carrier on which an electrostatic latent image is to be formed; a rotary development unit having a plurality of developer carriers that carry a developer used for developing the electrostatic latent image, the developer including toner, the plurality of the developer carriers being sequentially moved to a development position opposing to the image carrier, to switch a development color; and a toner concentration detection unit that detects the concentration of toner of the developer carried by one of the developer carriers located at the development position.

REFERENCES:
patent: 04-349480 (1992-12-01), None
patent: 05-313495 (1993-11-01), None
patent: 2000-029255 (2000-01-01), None
patent: 2001-066873 (2001-03-01), None
patent: 2002-023434 (2002-01-01), None

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