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John F. O'brien

Xerox

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Publication

Featured researches published by John F. O'brien.

Archive | 1985

Color printing machine

John F. O'brien

Archive | 1976

Constant current charging device

John F. O'brien

Archive | 1991

Magnetic transport roll for supplying toner or carrier and toner to a donor and magnetic developer roll respectively

John F. O'brien

Archive | 1994

Single positive recharge method and apparatus for color image formation

Zhao-Zhi Yu; Charles H. Tabb; John F. O'brien; James R. Beachner; Mark A. Gwaltney; Meng H. Lean; Jeffrey J. Folkins

Archive | 2000

DC pin scorotron charging apparatus, and printing machine arranged with the same

Jing qing Song; John F. O'brien; David Sekovski; Robert K. Fox; John D. McCaffrey; Jeffrey W. Drawe

Archive | 1977

Duplex reproduction system employing copy sheet cleaner

John F. O'brien

Archive | 2003

Systems and methods for setting up grid voltages in a tandem pin charging device

David Sekovski; Jing qing Song; John F. O'brien; Stephen F. Randall; Song-Feng Mo

Archive | 2005

Calibration apparatus and method for charging unit of image forming device

Gerald M. Fletcher; John F. O'brien; Bruce J. Parks; Eliud Robles-Flores; Alfred J. Claflin; Jerry F. Adams

Archive | 2002

Variable open-size grid for improved charging subsystem uniformity and efficiency

Jing qing Song; John F. O'brien; Ke Chun Tang; Bruce E. Thayer

Archive | 1999

Reverse polarity split recharge in recharge-expose-and-develop image on imaging printing

Charles H. Tabb; Mark S. Jackson; John F. O'brien; Dan A. Hays

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Charles H. Tabb

Xerox

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Jing qing Song

Xerox

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Dan A. Hays

Xerox

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David Sekovski

Xerox

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Mark S. Jackson

Xerox

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Alfred J. Claflin

Xerox

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Bruce E. Thayer

Xerox

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Bruce J. Parks

Xerox

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Eliud Robles-Flores

Xerox

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Gerald M. Fletcher

Xerox

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