Color image forming apparatus having developing devices with...

Details Color image forming apparatus having developing devices with... Color image forming apparatus having developing devices with...

2007-12-20

2010-10-19

Beatty, Robert (Department: 2852)

Electrophotography

Image formation

Development

C399S275000, C399S299000

Reexamination Certificate

active

07817941

ABSTRACT:
In a color image forming apparatus comprising a plurality of developing devices each provided with a developing roller structured with a developing sleeve and a fixed magnetic pole member, an agitating member, a recovering and feeding member, a regulating member and a developing device casing member, at least one of the plurality of developing devices has a different developer storing capacity and a different outer diameter of the recovering and feeding member for the other developing devices and has the same angle allocation values among the plurality of fixed magnetic poles in the fixed magnetic pole member.

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