Letters disappear when the PDF file size reduction.

I have a PDF file of several page that contains bitmap images and vector of text. It was originally created in InDesign and exported in PDF format. When I exported the PDF file at 300 dpi, all rendered beautifully. However, when I reduced the quality of image by optimizing PDF (all images of 80 dots per inch at high quality), random letters of my text disappered. Weird, since they are vectors and should not be affected by lowered anyway ppp settings.

The gaps are where letters should be, and I can even use my text cursor to copy and paste the missing letters in a text file, for example. So basically, all the data is still there, just letters are not displayed. This is not resolved by zooming, and unfortunately, the letters also are not displayed when the document is printed. I have all my embedded fonts. Would be - this due to the fact that I use a light font? (Verlag Extra light). The letters that will miss seem to be completely at random. I have Acrobat Professional 8.

Rather than use PDF Optimization, try using a lower export setting in InDesign and see if it works (use press or quality print settings but less than the resolution of the image.)

Tags: Acrobat

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