I have a book with inserted color pictures and traditional black and white text, which was created in Word 2016. I set the default resolution in the Advanced File Options to be 330 ppi. (All the pictures were originally at 300 ppi or more.) I had to do color correction on some to make the ink saturation Total Area Coverage 240% or less (Ingram's standards), and checked it out with Adobe Acrobat Pro X in Output Preview after sending it through the Preflight process. All was well, and the pictures passed the test.
When uploading this interior file, Ingram said it was low resolution. I couldn't understand why, until I read somewhere that anything below the High Fidelity setting, Word will compress the graphics files, which results in loss of pixels and lower resolution! I saw later there is also the option to check "do not compress files", which would preserve resolution as well.
I decided to set the Word default resolution to High Fidelity and re-enter in all the pictures, many of which (originally) had true black text captions in them. Once I did that, it miserably failed the TAC test, even after sending it through Preflight. I tried this also with the don't compress check box at 330 ppi. Both results were exactly the same- when tested, all black lines and/or text in the pictures were glaring fluorescent green, as well as many photos!
A few online publishing advice articles I read say to use the person's special made-for Ingram/LightningSource color profile which they provide as a download. I tried and even got them installed! (It did help the cover.) I added one to the interior's pdf/x with Acrobat's Color Correction (checking preserve black etc. which passed the TAC test beautifully) but Ingram still rejected the file because it had an ICC profile, which is not allowed.
I know that Word converts the CYMK files to RGB, but Preflight in Acrobat fixes this and changes it back. I read in Ingram's File Creation Guide that one needs to set the values to 60% Cyan, 40% Yellow, 40% Magenta, and 100% Black, but how and where does one do this?
I am at a loss as to what to do. Have it at a "lower resolution", (which frankly still looked beautiful in the final pdf/x), or find a way to make the caption text and lines a true, rich 100% black in "High Fidelity or uncompressed 330ppi.
Does anyone have any advice or suggestions on this issue? Is there any easy way to fix this?
(Sorry for such a long "book", but perhaps others may be having a similar problem.)
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