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Topic: Large Scanned PDFs (Via Email)
Conf: (P-PDF) Beginners, Msg: 123341
From: jchurch_lm
Date: 12/4/2004 11:10 AM

Hi,
I have a user scanning multipage documents that result in large .pdf
files which are slow to navigate with Acroread.

Two Tests:
Took a 38 pg. document scanning directly to .pdf at 200 dpi, B&W and it
resulted in a file of 1342 KB (roughly 35KB/pg.).
I then ran the Paper Capture plugin which reduced it to 1229 KB (~9%
reduction).

After reading the recommendations to save to .tif first, I did a second
test:
Scanned one page to .tif (had to select Grayscale16) - 1882 KB file.
Opened it in MS Photo Editor & saved it as a new file - 3766 KB.
Printed it to Distiller - new .pdf was 1033 KB.
Multiplying this by 38 gives me a file around 39000 KB so no advanage to
me with this method.

I'm starting to believe I may have to just subdivide the .pdf (if that's
possible) to make user-friendly chunks. My scanner is capable of
subdividing by page count (new file every n pages) but would rather
subdivide the resulting .pdf.

Other info:
I'm using Acrobat 5.0.9 on HPUX and Acrobat 5.0.0 on Windows XP.
Scanner is a circa-2004 Panasonic KV-S6055.

Whatever method I use it needs to be scriptable to save my admin person
from having to perform many "hand" operations.

TIA,

John














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