Electrophotography – Control of electrophotography process – Control of developing
Reexamination Certificate
2007-01-09
2007-01-09
Brase, Sandra L. (Department: 2852)
Electrophotography
Control of electrophotography process
Control of developing
C399S027000, C399S061000, C399S111000
Reexamination Certificate
active
10878610
ABSTRACT:
A process cartridge detachably mountable to a main assembly of an apparatus, includes a drum, a developing member, a cartridge frame including a developer accommodating portion, a first light guide adjacent one end of the cartridge frame and a leading end with respect to a cartridge mounting direction and including a light entrance portion opposed to an emitting portion to receive detecting light when the process cartridge is mounted to the main assembly and guiding the detecting light to cross with a developer accommodating space in the developer accommodating container, a second light guide adjacent the one end and the leading end, and including a light exit portion and directing, the detecting light having passed through the developer accommodating space to the light receiving portion, and a memory member communicatable with the main assembly and adjacent the one end o and the leading and including a cartridge electrical contact.
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Hoshi Nobuharu
Murayama Kazunari
Suzuki Tatsuya
Brase Sandra L.
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
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