| 摘要 |
In order to carry out histogram control so that colors of regions printed for overlapping regions are appropriate for a multi-color, multi-stencil thermal silkscreen stencil-making device, a hue, printing density and corresponding extracted color for ink used in multi-color, multi-stencil printing are inputted, of which a color of the densest printing density is set at a color separation circuit 36 as an extracted color for making a histogram. A histogram producing circuit 34 constituting a histogram controller 33 is then initialized, histogram data HD for the color extracted for making a histogram is acquired while reading an original, and this histogram data HD is temporarily stored in memory 37. While stencils are being made for all of the colors, the stencils are made while an energy control circuit 35 carries out histogram control based on an applied energy control signal S corresponding to histogram data HD stored in the memory 37 and binary data D3.
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