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ghostscript: convert PDF into CMYK preserving pure Black for text
    I need to convert RGB PDF into CMYK PDF. I need to have pure black color for texts. It seems ( ... dTextBlackPt=1 -dBlackPtComp=1 test2.pdf See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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