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Browse Prior Art Database

PHOTORECEPTOR REPARKING AFTER IMAGING

IP.com Disclosure Number: IPCOM000026438D
Original Publication Date: 1992-Feb-29
Included in the Prior Art Database: 2004-Apr-05
Document File: 2 page(s) / 59K

Publishing Venue

Xerox Disclosure Journal

Abstract

In a xerographic copying machine, various machine components, such as radiant fusers and corona charging devices can adversely affect those portions of the photoreceptor that remain in close proximity to the components for extended periods of time. The extended periods of time generally occur during machine warmup or standby conditions, when she photoreceptor is in a stationary or parked condition. In order to avoid or minimize the photoreceptor areas exposed to the aforementioned adverse components, the present invention consistently parks the same area of the photoreceptor in close proximity to the adverse components during periods when the photoreceptor is stationary. Specifically, a precision drive mechanism is utilized to assure that non-imaged areas of the photoreceptor, such as seams, are placed in close proximity to those machine components that would have an adverse affect. Under software control, the precision drive mechanism advances the photoreceptor to the appropriate parking position, during machine warmup or after a preselected period of machine inactivity, thereby exposing only non-imaged areas of the photoreceptor to the adverse conditions.

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XEROX DISCLOSURE JOURNAL

PHOTORECEPTOR REPARKING Proposed Classification AFTER IMAGING U.S. C1.355/204
John M. Magde Jr. Int. C1. G03g 21/00

In a xerographic copying machine, various machine components, such as radiant fusers and corona charging devices can adversely affect those portions of the photoreceptor that remain in close proximity to the components for extended periods of time. The extended periods of time generally occur during machine warmup or standby conditions, when she photoreceptor is in a stationary or parked condition. In order to avoid or minimize the photoreceptor areas exposed to the aforementioned adverse components, the present invention consistently parks the same area of the photoreceptor in close proximity to the adverse components during periods when the photoreceptor is stationary. Specifically, a precision drive mechanism is utilized to assure that non-imaged areas of the photoreceptor, such as seams, are placed in close proximity to those machine components that would have an adverse affect. Under software control, the precision drive mechanism advances the photoreceptor to the appropriate parking position, during machine warmup or after a preselected period of machine inactivity, thereby exposing only non-imaged areas of the photoreceptor to the adverse conditions.

XEROX DISCLOSURE JOURNAL - Vol. 17, No. 1 January/February 1992 5

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