JPG or PSD to PDF get horrible resolution degradation

C
Posted By
comppro1
Aug 25, 2008
Views
774
Replies
5
Status
Closed
Using Photoshop 9 / CS2 and Acrobat Pro 7, I make a nice cover page with text and images at 300 dpi. Both the psd and jpg are very smooth. I save to pdf, or print to pdf thru Acrobat driver and get CRUD, as if resolution is below 72dpi. Why? I have set "Adobe PDF" printer driver to max res, no compress.

Is there any other way of output to end up with GOOD pdf?
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Mylenium
Aug 26, 2008
What colorspace? Embedded fonts? Profiles? Any of the downsampling options active in the PDF output options? Could be any number of reasons…

Mylenium
DM
Don_McCahill
Aug 26, 2008
Printing a 72 ppi image generally will look like crud. You should have at least 200 ppi, or scale the image accordingly, if you want a smooth looking printout.
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comppro1
Aug 26, 2008
Seems neither of you really read my post. I have set NO down sampling from 300 dpi, in PSD and JPG. Save or transfer to PDF, via several printer drivers including Acrobat’s, kill the appearance. I have found no way to directly import JPG to PDF.
BL
Bob Levine
Aug 26, 2008
Are you saving as PDF or printing to PDF? Big difference.

Bob
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comppro1
Aug 26, 2008
Actually, I have tried both "saving as PDF or printing to PDF" from PS-CS2.

I just did something that DID make good output.
Clicked JPG to open in file-manager’s viewer, chose FILE/PRINT, chose Adobe-PDF driver, printed to PDF, seems full 300 dpi.

In PS-CS2, I had set all JPG to max-res and disabled down-sampling, still got those crud results. Using WordPerfect’s publish to PDF got same crud results, again, supposedly without down-sampling.

I’d like to understand what’s going on, but do now have usable PDF for ebook cover.

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