Patent Number: 6,167,228

Title: Development system with split function development rolls

Abstract: An apparatus for non-interactive, dry powder development of electrostatic Images composed of solid areas and fine lines areas on an imageable surface including a housing containing developer material; a first magnetic roll, spaced a first predefined distance from the image, for transporting the developer material from the housing to develop solid areas of the image, the magnetic roll including an magnetic core and a cylindrical sleeve enclosing and rotating about the magnetic core; and a second magnetic roll, spaced a second predefined distance from the image, for transporting the developer material from the housing to develop fine line areas of the image, the magnetic roll including an magnetic core and a cylindrical sleeve enclosing and rotating about the magnetic core.

Inventors: German; Kristine A. (Webster, NY), Hoover; Stephen P. (Penfield, NY), Phelps; Robert W. (Victor, NY), Mashtare; Dale R. (Bloomfield, NY), Snelling; Christopher (East Rochester, NY), Pozzanghera; Darryl L. (Rochester, NY), Price; Michael J. (Randolph, MA)

Assignee: Xerox Corporation

International Classification: G03G 15/09 (20060101); G03G 015/09 ()

Expiration Date: 12/26/2017