Developing device, a process cartridge, and an...

Details Developing device, a process cartridge, and an... Developing device, a process cartridge, and an...

2005-05-10

2005-05-10

Lee, Susan (Department: 2852)

Electrophotography

Diagnostics

Consumable

Reexamination Certificate

active

06892035

ABSTRACT:
A developing device usable with a main assembly of an electrophotographic image forming apparatus includes a developing member for supplying a developer to an electrophotographic photosensitive member for developing an electrostatic latent image formed on the electrophotographic photosensitive member, a first electrode, and a second electrode. An electrical signal is generated in accordance with an electrostatic capacity between the first electrode and second electrode when the first electrode or the second electrode is supplied with a voltage from the main assembly of the electrophotographic image forming apparatus, and is measured by the main assembly of the electrophotographic image forming apparatus to detect a remaining amount of the developer.

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