IMAGE FORMING METHOD AND DEVICE

摘要

PROBLEM TO BE SOLVED: To provide an image forming method and device that can suppress useless consumption of toner in the case of reproduction or the like of a two- color original and obtain an output with high quality. SOLUTION: A color discrimination section 3 discriminates whether received image data have a Y color, a chromatic color or a K color and a coefficient multiplier section 7 multiplies an image data signal with a prescribed coefficient to form the Y color and the chromatic color in designated output colors and the K color in a black color.