Developer cartridge for developing a latent image detachably mou

Details Developer cartridge for developing a latent image detachably mou Developer cartridge for developing a latent image detachably mou

1997-10-03

2000-01-18

Royer, William J.

Electrophotography

Diagnostics

Consumable

118691, 118694, 399 90, 399119, G03G 1508

Patent

active

060164085

ABSTRACT:
A developing cartridge for developing a latent image formed on a photosensitive member, which is detachably mountable to a main assembly of an electrophotographic image forming apparatus, includes a developing member for developing a latent image formed on the electrophotographic photosensitive member with toner; a toner accommodating portion for accommodating the toner to be used by the developing member; first and second light transmitting portions provided in the toner accommodating portion; a first light guide for directing, to the first light transmitting portion, light emitted by a light emission member provided in the main assembly; and a second light guide for directing the light having passed through the second light transmitting portion to a light receiving element provided in the main assembly.

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European Search Report.

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