XEROGRAPHIC MACHINE EMPLOYING NO CHARGE EXCHANGE TRANSFER

摘要

1514150 Printing from a toner-developed electric image INTERNATIONAL BUSINESS MACHINES CORP 9 Feb 1977 [23 March 1976] 5244/77 Heading B6C A xerographic machine includes a member, e.g. roller 47 for contacting one side of a copy sheet or web 26 to guide the sheet or web into contact with photoconductor 12, a bias system for producing an electrical bias to assist transfer of toner particles to the opposite side of the copy sheet or web when in contact with photoconductor 12, and means, e.g. corotron 60, for neutralizing electrostatic charge on the toner, the neutralizing means being situated adjacent the opposite side of the copy sheet or web at a position in the path of travel of the sheet or web after the region of contact with the photoconductor, but before the copy leaves the bias field. The voltage applied to the corotron and/or the position of the corotron relative to the sheet path may be adjustable.