Method of controlling an amount of toner charging in an...

Details Method of controlling an amount of toner charging in an... Method of controlling an amount of toner charging in an...

2006-08-15

2006-08-15

Chen, Sophia S. (Department: 2852)

Electrophotography

Diagnostics

Consumable

C399S058000, C399S258000, C430S120400

Reexamination Certificate

active

07092648

ABSTRACT:
A method of controlling an amount of toner charging in an electrophotographic image forming apparatus using a two-component developing agent, and an apparatus using the method. The method includes counting an agitation time when a toner and a carrier are mixed and are agitated in an agitation region of a developing unit, and if the agitation time reaches a predetermined reference agitation time, supplying a predetermined amount of new toner to the agitation region to prevent overcharging of the toner.

REFERENCES:
patent: 6006050 (1999-12-01), Watanabe et al.
patent: 6049685 (2000-04-01), Murakami et al.
patent: 6687467 (2004-02-01), Katoh
patent: 4121766 (1992-04-01), None
patent: 6289716 (1994-10-01), None
patent: 08-262861 (1996-10-01), None

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