Electrophotography – Control of electrophotography process – Control of developing
Reexamination Certificate
2009-11-05
2011-11-29
Gaworecki, Mark R (Department: 2884)
Electrophotography
Control of electrophotography process
Control of developing
C399S228000
Reexamination Certificate
active
08068752
ABSTRACT:
An image forming apparatus is provided that reduces the occurrence of downtime in the case in which the interval between sheets needs to be expanded, and also suppresses the degradation of a photosensitive drum and a developing roller, when continuously forming images. The image forming apparatus of the present invention predicts the start timing of image formation onto the next printing material, and performs control of the positional relationship between the photosensitive drum and the developing roller without decreasing productivity, based on a result of the prediction. Further, the image forming apparatus performs control of the rotating operation of the photosensitive drum, based on the above prediction result.
REFERENCES:
patent: 2006-285294 (2006-10-01), None
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
Gaworecki Mark R
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