UNIFORM GLOSS CONTROL APPARATUS AND METHOD,申请号JP20080286550-传众专利搜索

UNIFORM GLOSS CONTROL APPARATUS AND METHOD

申请公布号：JP2009122669(A)

申请号：JP20080286550

申请日期：2008.11.07

申请公布日期：2009.06.04

申请人：

XEROX CORP

发明人：EUN YONGSOON;HAMBY ERIC S

分类号：G03G15/20

主分类号：G03G15/20

摘要：PROBLEM TO BE SOLVED: To suppress variation of gloss of a fused image deteriorating image quality in an electrostatographic image producing machine. SOLUTION: An entrance of a copy sheet moving into contact with a surface of a heated rotating fuser member is sensed and timed. A temperature of a pre-fusing nip portion of the surface of the heated rotating fuser member is sensed. A temperature of a post-fusing nip portion of the surface of the heated rotating fuser member is sensed. An exit of each copy sheet from the fusing nip is sensed and timed. A start and an end of each inter-sheet gap portion on the surface of the heated rotating fuser member when a series of copy sheets are being fused through the fusing nip are determined. Control calculations using sensed data are made. Based on the control calculations, temperature conditioning means is applied only onto an inter-sheet gap portion on the surface of the heated rotating fuser member for maintaining a near-constant uniform temperature for the surface of the heated rotating fuser member. COPYRIGHT: (C)2009,JPO&INPIT