HP 5470c, Precisionscan Pro 3.1, and Saving to .PDF image quality problem

I have been trying to scan documents into .pdf files and maintain good quality. I have discovered if I print the document to a .pdf file, the quality is good. But doing it this way, I can only do one page at a time.

If I "Save to PDF", I can scan more than one page into the document, but the quality is worse that a bad fax. I appears I do not have an option to set the quality when the image is saved in such a way. If anyone knows how to change this in Precisionscan Pro 3.1, please let me know.

For now, if I want better quality, I will have to print each page to a ..pdf separately and then combine them later.

I am fairly sure the scanner is not the problem, because the images are good when either printed directly or printed to .pdf directly, but the image saving routing in the software seems to only be able to use low quality scans. If I save the file as a .TIF, it looks fine. So I need to be able to tell Precision Pro to use .TIF quality when saving to a ..pdf ---

Thanks,
Clark
.

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