Image forming device and method that sets a voltage level...

Details Image forming device and method that sets a voltage level... Image forming device and method that sets a voltage level...

2005-07-12

2005-07-12

Royer, William J. (Department: 2852)

Electrophotography

Diagnostics

Consumable

C399S055000, C399S281000, C399S284000, C399S285000

Reexamination Certificate

active

06917768

ABSTRACT:
An image forming device includes a storage device that stores toner, an agitator that agitates the toner in the storage device, a detector that detects an amount of toner in the storage device, and a controller that prohibits an operation of the agitator when the detected amount of toner is equal to or more than a prescribed amount, and permits the operation of the agitator when the amount of toner is less than the prescribed amount. A controller circuit sets a voltage level based on the amount of toner and a biasing circuit impresses the voltage to a developing roller, a supply roller and a regulating blade.

REFERENCES:
patent: 5365318 (1994-11-01), Hiraoka et al.
patent: 5581221 (1996-12-01), Kawai et al.
patent: 59-184375 (1984-10-01), None
patent: 04-330471 (1992-11-01), None
patent: 09-190078 (1997-07-01), None
patent: 10-239962 (1998-09-01), None

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