NavList:

Kermit wrote:
I SAY AGAIN what I wrote in NavList g23645 earlier to-day.

Once a "simple/plain" Document (such as the recent ones from Greg, or the enclosed one here) has been scanned from a "standard/usual/home" scanner (such as EPSON SX105, EPSON SX 115, HP Deskjet 2050 A - and BTW it is certainly worth trying other different and similar/comparable Scanners) saving such Document under the ".pdf" format (vs. the .jpg format) offers a number of definite advantages, and namely :

- File Size , and
- Printing Speed

The 2 enclosed files from the very same document are a good example of my findings which I keep recommending for trial and use to whoever in NavList wishes to kindly listen and understand.

- The .jpg file just scanned on an EPSON SX115 (EPSON SCAN Software) is a 1,344K document, and it took 5 minutes and 37 seconds to print it from this same EPSON SX115. On the other hand :

- The .pdf file of this same document scanned on the same EPSON SX115 (EPSON SCAN Software) is a 663K document, and it took 1 minute and 55 seconds to print it from this same EPSON SX115.

Numbers speak for themselves : this .jpg file is TWICE as big as the .pdf one, and printing this .jpg document takes almost 3 TIMES as long than printing this same document saved under .pdf

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I cannot speak to the relative merits of PDF vs JPG files, but I would like to observe that JPG files can be saved at different levels, trading off quality for smaller file size. I have done that with the file that Kermit provided, reducing its size by a factor of three to 476 KB. To my eye, it is indistinguishable from the original 1,344 KB jpg file. In comparing it to Kermit's 663 KB pdf version, I slightly prefer the smaller jpg, which seems to have a bit more contrast.

I suggest that the Epson scanner that Kermit has used for these trial documents simply has different default resolutions for jpg and pdf modes, thus creating larger files for the former.

Don Seltzer
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