Feed forward and feedback toner concentration control...

Details Feed forward and feedback toner concentration control... Feed forward and feedback toner concentration control...

2007-11-20

2007-11-20

Tran, Hoan (Department: 2852)

Electrophotography

Diagnostics

Consumable

C399S049000, C399S060000

Reexamination Certificate

active

11088554

ABSTRACT:
A toner concentration control system for maintaining image quality in a developer structure, the toner concentration control system including: a transfer efficiency estimator for measuring a transfer efficiency estimate associated with a developed image on an imaging surface before and after transfer; and a toner dispenser, responsive to the transfer efficiency estimator, for adjusting a toner dispense rate.

REFERENCES:
patent: 5166729 (1992-11-01), Rathbun et al.
patent: 6978109 (2005-12-01), Shoji et al.
patent: 7079794 (2006-07-01), Forbes et al.
patent: 7085506 (2006-08-01), Forbes et al.
patent: 7158732 (2007-01-01), Mo et al.

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