Toner concentration detecting method and system

Details Toner concentration detecting method and system Toner concentration detecting method and system

1998-08-18

1999-11-16

Grimley, Arthur T.

Electrophotography

Control of electrophotography process

Control of developing

399 30, 399 62, G01N 2700, G03G 1510

Patent

active

059872730

ABSTRACT:
A method for detecting a toner concentration of a liquid developer including toner particles and carrier liquid is disclosed. The carrier liquid is separated from the liquid developer and a developer electrical conductivity and a carrier liquid electrical conductivity are detected. The toner concentration is detected based on a difference of the developer electrical conductivity and a carrier liquid electrical conductivity.

REFERENCES:
patent: 4193683 (1980-03-01), Langner
patent: 4634252 (1987-01-01), Jeremijevic
patent: 4976901 (1990-12-01), Beck et al.
patent: 5003352 (1991-03-01), Duchesne et al.
patent: 5036365 (1991-07-01), Landa
patent: 5369476 (1994-11-01), Bowers et al.

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