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<title>sane-devel: sane: Coolscan driver produces unsharp images</title>
<h1>sane: Coolscan driver produces unsharp images</h1>
<b>Kevin Dalley</b> (<a href="mailto:kevind@rahul.net"><i>kevind@rahul.net</i></a>)<br>
<i>28 Oct 1998 01:41:16 -0800</i>
<p>
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Here is another description of a problem with the Coolscan backend<br>
from a Debian Linux user.<br>
<p>
<pre>
--
Kevin Dalley
<a href="mailto:kevind@rahul.net">kevind@rahul.net</a>
<p>
<p>
Package: sane
Version: 0.74
<p>
<p>
I tried sane versions 0.72 (from Hamm) and sane 0.74.
Compared with the W95 software shipped with the Nikon Coolscan
LS-20 the scans are significantly unsharp.
<p>
This may be caused by a broken autofocus routine. A hint for
this is the terribly noise which the scanner produces before
doing the scan.
<p>
Kind regards
<p>
Andreas.
<p>
-- System Information
Debian Release: slink
Kernel Version: Linux tower 2.0.33 #165 Mon Apr 27 09:40:53 /etc/localtime 1998 i586 unknown
<p>
Versions of the packages sane depends on:
ii libc6 2.0.7u-3 The GNU C library version 2 (run-time files)
ii libgimp1 1.0.2-1 Libraries necessary to run the GIMP
ii libgtk1 1.0.6-2 The GIMP Toolkit set of widgets for X
hi xlib6g 3.3.2.3a-1 shared libraries required by X clients
<p>
--- Begin /etc/sane.d/apple.conf (modified conffile)
/dev/scanner
<p>
--- End /etc/sane.d/apple.conf
<p>
--- Begin /etc/sane.d/coolscan.conf (modified conffile)
/dev/scanner
<p>
--- End /etc/sane.d/coolscan.conf
<p>
--- Begin /etc/sane.d/dll.conf (modified conffile)
coolscan
pnm
<p>
--- End /etc/sane.d/dll.conf
<p>
<p>
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<p>
<p>
<pre>
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</pre>
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