Electrophotography – Cleaning of imaging surface – Color
Reexamination Certificate
2008-04-29
2008-04-29
Beatty, Robert (Department: 2852)
Electrophotography
Cleaning of imaging surface
Color
C399S359000
Reexamination Certificate
active
11168355
ABSTRACT:
The image forming apparatus having a plurality of developing devices corresponding to a plurality of colors includes at least a predetermined color for developing an electrostatic image as toner images, an image bearing member bearing thereon the toner images developed by the plurality of developing devices, and a collecting device for collecting residual toners on the image bearing member after the toner images of the respective colors formed on the image bearing member have been respectively transferred onto a recording material. The collected toners with plural colors mixed together provide a pseudo-predetermined color, and a changing device capable of supplying the collected toners and the toner for the predetermined color to the developing device for the predetermined color, and changing the mixing ratio of the collected toners and the fresh toner for the predetermined color supplied to the developing device for the predetermined color, in conformity with the ratio of the toners of the respective colors constituting the toner of the pseudo predetermined color occupied in the collected toners.
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English-language translation of an Office Action, i.e., a Notification of Reasons for Rejection, dated Aug. 1, 2006, issued in Japanese counterpart Patent Application No. 2004-196085.
Beatty Robert
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
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