Browse Prior Art Database

TRANSFER APPARAT METHOD FOR REMOVING RESIDUAL MATERIAL FROM A TRANSFER MEMBER

IP.com Disclosure Number: IPCOM000027070D
Original Publication Date: 1995-Feb-28
Included in the Prior Art Database: 2004-Apr-07
Document File: 2 page(s) / 89K

Publishing Venue

Xerox Disclosure Journal

Abstract

Disclosed is an improved printing machine with a transfer apparatus therein of the type having the transfer member 18 associated with a photoconductive member 10, wherein the transfer member effects the transfer of a toner image from the photoconductive member. The improvement comprises a blade 28, movable between a first position contacting the transfer member, and a second position spaced away from the transfer member, and a biasing device associated with the transfer member, for selectively applying to the transfer member a bias of a first polarity, or a bias of a second polarity, opposite to the first polarity. The blade accumulates residual toner material when it is in contact with the transfer member, and is in contact with the transfer member in response to the biasing device applying the bias of the first polarity. The biasing device applies the bias of a second polarity in response to the blade being spaced from the transfer member, so as to attract the accumulated residual toner material to the photoconductive member.

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XEROX DISCLOSURE JOURNAL

TRANSFER APPARATUS AND Proposed Classification METHOD FOR REMOVING U.S. C1.355/301 RESIDUAL MATERIAL FROM A
TRANSFER MEMBER
Robert
A. Gross

Int. C1. G03g 21/00

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10

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18 CONTROLLER - I I

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   I I I I I I I I 38 I -1

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XEROX DISCLOSURE JOURNAL - Vol. 20, No. 1 January/February 1995 83

28

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TRANSFER APPARATUS AND METHOD FOR REMOVING RESIDUAL MATERIAL FROM A TRANSFER MEMBER (Cont'd)

Disclosed is an improved printing machine with a transfer apparatus therein of the type having the transfer member 18 associated with a photoconductive member 10, wherein the transfer member effects the transfer of a toner image from the photoconductive member. The improvement comprises a blade 28, movable between a first position contacting the transfer member, and a second position spaced away from the transfer member, and a biasing device associated with the transfer member, for selectively applying to the transfer member a bias of a first polarity, or a bias of a second polarity, opposite to the first polarity. The blade accumulates residual toner material when it is in contact with the transfer member, and is in contact with the transfer member in response to the biasing device applying the bias of the first polarity. The biasing device applies the bias of a second polarity in response to the blade being spaced from the transfer member, so as t...