Electrophotography – Diagnostics – Consumable
Reexamination Certificate
2004-05-14
2009-12-29
Gray, David M (Department: 2852)
Electrophotography
Diagnostics
Consumable
C399S027000, C399S051000, C399S053000, C399S055000, C399S058000
Reexamination Certificate
active
07639956
ABSTRACT:
An image forming apparatus has a first image formation mode for forming an image on an image bearing member by using developer under a first predetermined image forming condition and a second image formation mode for forming an image on an image bearing member by using developer under a second image forming condition which is different from the first predetermined image forming condition and is set so that an amount of consumption of developer with respect to an identical image in the second image formation mode is smaller than that in the first image formation mode, the apparatus includes storing means for storing information on an amount of usage of the image bearing member, and control means for changing the second image forming condition in the second image formation mode depending on the information stored in the storing means.
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Hasegawa Hideaki
Naito Norihito
Oshima Nobuo
Otomo Yasunao
Yamauchi Kazumi
Canon Kabushiki Kaisha
Evans Geoffrey T
Fitzpatrick ,Cella, Harper & Scinto
Gray David M
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