IMAGE FORMING APPARATUS AND METHOD, COMPUTER PROGRAM, AND RECORDING MEDIUM

摘要: In a recording medium selecting step, on which an image is to be formed selected from among plurality of media having unique color tones. mode setting it determined whether the output in monochrome mode. signal converting luminance corresponding converted into density when set step. forming step according signal. The controlled so that tone intermediate-density portion near a*=A a*b* plane CIE-L*a*b* space, where A constant.