Inventors:
John R. Thompson - Webster NY
Timothy G. Armstrong - Rochester NY
Richard G. Allen - Irondequoit NY
Thomas Hilbert - Spencerport NY
Christopher S. Garcia - Rochester NY
Assignee:
Heidelberger Druckmaschinen AG - Heidelberg
International Classification:
G03G 1509
US Classification:
399267, 399272, 399274, 399276, 430122
Abstract:
The invention relates generally to apparatus for electrostatic image development and, in particular, apparatus that implement a magnetic brush with a drum photoconductor. According to an aspect of the invention, a method and apparatus for developing an electrostatic image are provided implementing a drum photoconductor and a magnetic brush contacting the drum photoconductor. The magnetic brush includes a mixture of toner and hard magnetic carriers.