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Gigantic PDF Files From Scanner - How do I make them smaller?

#1 User is offline   TechBeginner Icon

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Posted 22 August 2008 - 02:13 PM

This may not be the correct place to post this question, if so, my apologies. Please let me know where I should go (I know, that's quite an opening).

Here's my question:

When I scan documents on my Lexmark 8350 AIO to PDF on my Dell Laptop (XP) I am getting these huge, huge files. A 1 page B&W document at first came across as 24MB (ouch). I adjusted the DPI to 300 and got it down to 5MB. This still seems like a hundred times too big. I can barely email the thing. I scanned a 20 page document the other day that came aross as over 100MG! I have adobe reader 9. Am I doing something wrong? Any ideas?

Thanks in advance for your time and have a great weekend.

KC
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#2 User is offline   LincolnSpector Icon

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Posted 24 August 2008 - 11:16 AM

Hi, TechBeginner.

I'm going to assume that you scan to .pdf (and I do it all the time) in a way that it creates a bitmapped image of the page, rather than a formatted text copy. In other words, the computer doesn't recognize the letters as letters, just as series of dots. That's not an efficient way to digitally record and store text.

One solution is to use Optical Character Reader (OCR) software. Some probably came bundled with your printer. These programs look at the scanned page and convert the image into text. They're not perfect, but their errors are rare and almost always caught by spell-checkers. OTOH, an OCR scan loses the graphics and formatting of the page, giving you just the text. Whether that's a problem or not depends on what you're scanning.

You've already figured out one solution: Scanning at a lower resolution. Also, scanning as a black-and-white document will probably help.

And if you just can't get the file small enough, see A Better Way to Send Large E-Mail 'Attachments'.

Lincoln
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