Developing device

Details Developing device Developing device

2008-04-08

2008-04-08

Chen, Sophia S. (Department: 2852)

Electrophotography

Diagnostics

Consumable

C399S063000, C399S258000

Reexamination Certificate

active

07356268

ABSTRACT:
A controller determines the degree of acuteness of the resonant oscillation of a piezoelectric oscillator, based on the developer's fluidity detection data detected by the piezoelectric oscillator. The toner density output data detected by a toner density sensor is modified to a correct value, based on the degree of acuteness, and a supply roller is controlled based on this corrected value so as to implement the necessary toner supply.

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