Browse Prior Art Database

DEVICE TO REMOVE EXCESS LIQUID INK VEHICLE AND REDUCE IMAGE BACKGROUND

IP.com Disclosure Number: IPCOM000026832D
Original Publication Date: 1993-Dec-31
Included in the Prior Art Database: 2004-Apr-06
Document File: 2 page(s) / 98K

Publishing Venue

Xerox Disclosure Journal

Abstract

When employing liquid toners to develop charged areas of an image receiver, two major problems must be dealt with: (1) removal of background noise which refers to areas of an electroreceptor that were uncharged, but nonetheless '1 ave some weakly attached toner, and (2) removal of excess liquid toner vehicle which may be, for example, ISOPARa. U.S. Patent 5,063,413 to Domoto, et al., describes an air shear to remove excess liquid toner vehicle from an area of an electroreceptor covered with liquid toner. Although the air shear is effective in removing excess vehicle, it does not contribute to the removal of background toner. Therefore, to overcome the aforementioned limitations, a devise is proposed to remove excess liquid toner vehicles as well as the background toners after development with an electrostatic liquid ink developer.

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XEROX DISCLOSURE JOURNAL

DEVICE TO REMOVE EXCESS LIQUID INK VEHICLE AND REDUCE IMAGE BACKGROUND Gerald A. Domoto
Elias Panides
Nicholas Kladias

Proposed Classification
U.S. C1.355/256 Int. C1. G03g 15/10

I

24

XEROX DISCLOSURE JOURNAL Voi 18 No 6 November/December 1993 593

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DEVICE TO REMOVE EXCESS LIQUID INK VEHICLE AND REDUCE IMAGE BACKGROUND(Cont'd)

When employing liquid toners to develop charged areas of an image receiver, two major problems must be dealt with: (1) removal of background noise which refers to areas of an electroreceptor that were uncharged, but nonetheless '1 ave some weakly attached toner, and (2) removal of excess liquid toner vehicle which may be, for example, ISOPARa. U.S. Patent 5,063,413 to Domoto, et al., describes an air shear to remove excess liquid toner vehicle from an area of an electroreceptor covered with liquid toner. Although the air shear is effective in removing excess vehicle, it does not contribute to the removal of background toner. Therefore, to overcome the aforementioned limitations, a devise is proposed to remove excess liquid toner vehicles as well as the background toners after development with an electrostatic liquid ink developer.

Referring to the figure, there is shown a device 10 comprising a metering roll 20 that is rotated counterclockwise in the direction of arrow 22 past a scraper blade 24. The scraper blade is employed to remove toner from the...