Damien Symonds Posted June 19, 2020 Share Posted June 19, 2020 Jump to next slide >> Bar codes and QR codes This is one more very important purpose of my “black-and-white K only” profile. Bar codes and QR codes must be printed with black ink only. But in my experience they generally come to you in RGB mode (or sometimes Index or Grayscale modes). So use my profile to turn them into CMYK files with only 100%K. Summary >> Link to comment
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