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Photoconductor Cleaning

IP.com Disclosure Number: IPCOM000044793D
Original Publication Date: 1984-Sep-01
Included in the Prior Art Database: 2005-Feb-06
Document File: 1 page(s) / 11K

Publishing Venue

IBM

Related People

Gonzales, MA: AUTHOR [+3]

Abstract

In a xerographic reproduction device, ghost images are eliminated by skewing the device's cleaning brush about l5 degrees to the direction of photoconductor movement.

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Photoconductor Cleaning

In a xerographic reproduction device, ghost images are eliminated by skewing the device's cleaning brush about l5 degrees to the direction of photoconductor movement.

One of the problems which can be encountered in the xerographic art is failure to completely clean the residual toner image from a reusable photoconductor panel, in preparation for using that photoconductor panel to make a copy of a different image. Many times the new and different image will include a faint ghost image of the just prior image, due to the prior image's residual photoconductor-carried toner.

In the figure, a flat run of a belt photoconductor l0 is shown. This flat, planar run of photoconductor l0 may be given a degree of stiffness by backing the same with a flat, low-friction platen, not shown, in which case the cleaning brush is effective to push the photoconductor down onto the platen as the photoconductor is cleaned.

In order to more effectively clean the photoconductor of the residual toner image, and particularly a toner line such as ll which runs parallel to the direction l2 of photoconductor movement, the axis l3 about which the photoconductor's cleaning brush rotates is skewed at an angle of about l5 degrees to line l4 which is perpendicular to line ll.

This technique is also usable when cleaning a drum-type photoconductor.

Disclosed anonymously

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