Browse Prior Art Database

CLEANABLE TRANSFER PRESSURE BLADE SYSTEM

IP.com Disclosure Number: IPCOM000025972D
Original Publication Date: 1989-Jun-30
Included in the Prior Art Database: 2004-Apr-04

Publishing Venue

Xerox Disclosure Journal

Abstract

Conventional corotron transfer sometimes results in unacceptable transfer deletion image quality defects when perforated, cockled, or other non-flat copy sheets are used. One reason that transfer fails to occur is that the transfer field is too low, because the transfer gap is too large due to the non-flat nature of the sheet. A possible solution to the deletion problem is to apply a mechanical force to the paper during transfer to flatten the paper. While a flexible blade might be used to bias the paper against a photoreceptor during transfer, if the blade runs on the photoreceptor in the interdocument areas, the blade will become dirty with toner and debris. Eventually, dirt on the blade is transferred to copy sheets.