Title:
IMAGE FORMING DEVICE FOR FORMING IMAGE HAVING HALFTONE AND METHOD THEREOF
Document Type and Number:
Japanese Patent JP2001075321
Kind Code:
A
Abstract:
To obtain xerography for printing a pixel at plural gray levels.
By setting an energy level of a laser beam given to a surface of a photoreceptor drum 14 to plural, a latent image having the plural discharge levels is formed. In the case of developing the image with a toner, the toner (toner A and toner B) having the plural electrification levels is used, so that the pixel takes the plural gray levels.
Inventors:
TIM M HOBAROKU
WILLIAM E BRITTON
GARY L HOLLAND
WILLIAM E BRITTON
GARY L HOLLAND
Application Number:
JP2000233054A
Publication Date:
March 23, 2001
Filing Date:
August 01, 2000
Export Citation:
Assignee:
HEWLETT PACKARD CO
International Classes:
G03G15/00; B41J2/435; G03G13/22; G03G15/01; G03G15/04; G03G15/043; G03G15/08; H04N1/29; (IPC1-7): G03G15/00
Attorney, Agent or Firm:
Hideo Ueno
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