31 Mar
1998
31 Mar
'98
2:03 p.m.
At 11:03 PM 3/30/98 -0800, you wrote:
I'm currently using a UMAX 300P that claims a
maximum 24 bit color
resolution of 300x600 dpi. I'm scanning into Photoshop4 and saving
I have the same scanner.
in JPEG format. I'm trying to save as much
information as I can, so
pages that have any color besides black and white, I'm scanning
at 299 (that's the max for color) dpi in RGB and and everything else in
299 dpi grayscale. I'm averaging, for 8.5 x 11 pages, about 5.3 Mb
Actually, 300 is the max without interpolation. Stuff that's truly B&W
should be scanned in B&W mode. The problem is that grayscale picks up
variations in print strength, smudges, etc. B&W says "This dot is more
than x dark, it's black. This dot is less than x dark, it's white."
for color and 2.1 Mb for grayscale. Just last weekend I
burned
B&W will also save disk space.
I printed two of the highest detailed B/W pages
(schematics) today
at 400 dpi. The results were disappointing. All of the fine details were
The details will get smudged if you scan in grayscale. Also, print at the
same dpi as you scanned; printing at a higher dpi won't do you any good,
and your document will print 1/3 smaller.
lost. I assume I need to use a higher resolution for
printing. I also have
same as scanned.
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