Toner concentration field measurement tool

Details Toner concentration field measurement tool Toner concentration field measurement tool

2008-02-08

2010-10-12

Gray, David M (Department: 2852)

Electrophotography

Diagnostics

Consumable

C399S030000

Reexamination Certificate

active

07813657

ABSTRACT:
A tool used in the TC measurement in the field includes a venturi shaped container that when connected to vacuum pressure from a portable vacuum cleaner takes advantage of cyclone separator functionality to assist in separation of fine toner from carrier beads with the toner being caught in the vacuum cleaner and the carrier beads being caught by a plurality of screens covering an opening in the bottom of the container.

REFERENCES:
patent: 5143222 (1992-09-01), Monteith
patent: 5166729 (1992-11-01), Rathbun et al.
patent: 5521690 (1996-05-01), Taffler et al.
patent: 6377760 (2002-04-01), Hagiwara
patent: 6931219 (2005-08-01), Viturro et al.
patent: 7006778 (2006-02-01), Mitchell et al.
patent: 7706726 (2010-04-01), Van der Werf et al.

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