专利名称：Xerographic multi colour copying发明人：Parker, Delmer Gene,Stark, Howard Mark申请号：EP87308476.8申请日：19870925公开号：EP0262871B1公开日：19930915
摘要：Apparatus for reducing the contamination of one dry toner or developer byanother used for rendering visible latent electrostatic images formed on a charge-retentive surface, such as a photoconductive imaging member (12), causes the otherwise-contaminating dry toner to be attracted preferentially to the charge-retentive surface(12) in its inter-document and peripheral areas. The dry toner or developer so attractedis subsequently removed from the surface (12) at a cleaning station (F).
申请人：XEROX CORPORATION
地址：XEROX SQUARE - 020; ROCHESTER NEW YORK 14644
代理机构：Johnson, Reginald George
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