Developing apparatus with deformation detection and voltage...

Details Developing apparatus with deformation detection and voltage... Developing apparatus with deformation detection and voltage...

2011-03-08

2011-03-08

Chen, Sophia S (Department: 2852)

Electrophotography

Control of electrophotography process

Control of developing

C399S284000

Reexamination Certificate

active

07903989

ABSTRACT:
A developing apparatus includes a developer carrying member rotatably provided for carrying a developer; a regulating member that has conductivity, and is provided to be capable of being in contact with the developer carrying member for regulating a amount of the developer carried by the developer carrying member; a power supply that applies voltage to the regulating member; a deformation detecting unit that detects information relating to the deformation of the developer carrying member; and a control unit that controls the power supply to apply a correction voltage when a deformed portion of the developer carrying member passes through the regulating member in order that the amount of the developer carried by the developer carrying member in the circumferential direction is in uniform based on a result of the detection by the deformation detecting unit.

REFERENCES:
patent: 7734205 (2010-06-01), Sakaizawa et al.
patent: 2009/0169229 (2009-07-01), Mutoh
patent: 2003-066716 (2003-03-01), None
patent: 2006-154369 (2006-06-01), None
patent: 2002-333772 (2006-11-01), None
patent: 2007-240595 (2007-09-01), None
patent: 2007-264372 (2007-10-01), None

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