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

Barry Watzman wrote:
To do this right, you need to use Adobe Acrobat as the "front end". With Acrobat, it works right. You don't have your settings right, and you don't say what software is creating the PDF file (I don't think that Precision Scan Pro itself does this ... I think you need some additional product). And I would not recommend using TIFF for normal stuff, the file size is too large. JPEG is fine if you don't get carried away with the compression (there is a quality slider). Normally, for monochrome stuff, do not scan as a "black and white" image, but rather as a grayscale image. You need to learn how to set the highlight, lowlight and gamma settings also. Done right, it works great with spectacular quality (I have a 5490C and use Precision Scan Pro, but for PDF files, go in via Acrobat (which, in turn, will invoke Precision Scan Pro).


Clark wrote:
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

"you don't say what software is creating the PDF file"

Precisionscan Pro has an option to "save as .pdf". I can scan multiple pages using that setting. Looking on the HP site seems to indicate saving a .pdf file format is for use on the web, and perhaps it is using a 75 dpi resolution. HP may have to "dumb it down" to keep from having problems with Adobe. It certainly does not appear to be a full blown PDF printer.

You say Acrobat will evoke Precision Scan Pro, so it doesn't seem that would help my situation. Does Acrobat use a "Scan To" type operation and accepts multiple pages? It may be doing automatically what I have to do manually. Can you adjust the resolution on the Acrobat scans? Basically, what steps does it take for you to scan a multipage document using Acrobat?

Thanks for the input,
Clark
.

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