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How to convert a pdf to black-and-white
I want to convert into black-and-white a PDF prepared for printing production. I choose "convert colors"> grey gamma 1,8. Only a part of a PDF changed. How to make the whole document converted?
I want to convert into black-and-white a PDF prepared for printing production. I choose "convert colors"> grey gamma 1,8. Only a part of a PDF changed. How to make the whole document converted?
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