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129 wiersze
5.5 KiB
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<TITLE>sane-canon630u.5</TITLE>
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<BODY BGCOLOR=#FFFFFF TEXT=#000000><H1 ALIGN=CENTER><IMG SRC="/images/sane.png" HEIGHT=117 WIDTH=346></H1>
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<H1>sane-canon630u.5</H1>
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<HR>
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<PRE>
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<!-- Manpage converted by man2html 3.0.1 -->
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<B><A HREF="sane-canon630u.5.html">sane-canon630u(5)</A></B> SANE Scanner Access Now Easy <B><A HREF="sane-canon630u.5.html">sane-canon630u(5)</A></B>
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</PRE>
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<H2>NAME</H2><PRE>
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sane-canon630u - SANE backend for the Canon 630u USB flatbed scanner
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</PRE>
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<H2>DESCRIPTION</H2><PRE>
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The <B>sane-canon630u</B> library implements a SANE (Scanner Access Now Easy)
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backend that provides access to the following Canon flatbed scanners:
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CanoScan 630u
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CanoScan 636u
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Color scanning is supported at 75, 150, 300, and 600 dpi, and gamma and
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analog gain are adjustable.
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TESTERS ARE WELCOME. Send your bug reports and comments to Nathan Rut-
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man <I><nthn1@yahoo.com></I>.
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</PRE>
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<H2>CONFIGURATION</H2><PRE>
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The contents of the <I>canon630u.conf</I> file is a list of device names that
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correspond to Canon USB scanners. Empty lines and lines starting with
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a hash mark (#) are ignored. Only one device name can be listed in
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<I>canon630u.conf</I>. The program <B><A HREF="sane-find-scanner.1.html">sane-find-scanner(1)</A></B> helps to find out the
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correct device. Under Linux, such a device name could be <I>/dev/usb/scan-</I>
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<I>ner0</I> for example. See <B><A HREF="sane-usb.5.html">sane-usb(5)</A></B> for details.
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This product-specific scanner driver uses the lower-level kernel USB
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driver "scanner". Check for "Driver=usbscanner" under
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<I>/proc/bus/usb/devices</I>. If "Driver=(none)", try forcing it with <I>insmod</I>
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<I>scanner</I> <I>vendor=0x04a9</I> <I>product=0x2204</I>
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</PRE>
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<H2>NOTES</H2><PRE>
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Due to Canon's unwillingness to provide scanner documentation, this
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software was developed by analyzing the USB traffic of the Windows 2000
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driver. So things like the calibration procedure I kind of made up; it
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seems to work for my scanner. If you have complaints, let me know.
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This driver requires the ability to send USB Control Messages, avail-
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able in kernel 2.4.12 or later.
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Some users have reported that this driver doesn't work at all. This
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seems to be a hardware specific issue, although I dsane-uson't know
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what exactly the problem is. If you are having problems, please send
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me the info in <I>/proc/bus/usb/devices</I>, <I>/proc/pci</I>, the kernel <I>scanner.c</I>
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driver version from <I>/var/log/messages</I>, and the output from
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<I>SANE</I><B>_</B><I>DEBUG</I><B>_</B><I>CANON630U=12</I> <I>scanimage</I> <I>></I> <I>/dev/null</I>
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</PRE>
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<H2>FILES</H2><PRE>
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<I>/usr/local/etc/sane.d/canon630u.conf</I>
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The backend configuration file (see also description of
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<B>SANE_CONFIG_DIR</B> below).
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<I>/usr/local/lib/sane/libsane-canon630u.a</I>
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The static library implementing this backend.
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<I>/usr/local/lib/sane/libsane-canon630u.so</I>
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The shared library implementing this backend (present on systems
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that support dynamic loading).
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<I>/tmp/canon.cal</I>
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The calibration file used to normalize pixel brightness. This
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is calculated every time the scanner is first used after it has
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lost power. Deleting this file will force recalibration.
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</PRE>
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<H2>ENVIRONMENT</H2><PRE>
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<B>SANE_CONFIG_DIR</B>
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This environment variable specifies the list of directories that
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may contain the configuration file. On *NIX systems, the direc-
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tories are separated by a colon (`:'), under OS/2, they are sep-
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arated by a semi-colon (`;'). If this variable is not set, the
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configuration file is searched in two default directories:
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first, the current working directory (".") and then in
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<I>/usr/local/etc/sane.d</I>. If the value of the environment variable
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ends with the directory separator character, then the default
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directories are searched after the explicitly specified directo-
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ries. For example, setting <B>SANE_CONFIG_DIR</B> to "/tmp/config:"
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would result in directories <I>tmp/config</I>, <I>.</I>, and
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<I>/usr/local/etc/sane.d</I> being searched (in this order).
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<B>SANE_DEBUG_CANON630U</B>
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If the library was compiled with debug support enabled, this
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environment variable controls the debug level for this backend.
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Higher debug levels increase the verbosity of the output.
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Example:
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SANE_DEBUG_CANON630U=12 scanimage > /dev/null
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</PRE>
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<H2>SEE ALSO</H2><PRE>
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<B><A HREF="sane.7.html">sane(7)</A></B>, <B><A HREF="sane-usb.5.html">sane-usb(5)</A></B>, <B><A HREF="sane-find-scanner.1.html">sane-find-scanner(1)</A></B>
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<I>http://canon-fb630u.sourceforge.net/</I>
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</PRE>
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<H2>AUTHOR</H2><PRE>
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Nathan Rutman
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11 Jul 2008 <B><A HREF="sane-canon630u.5.html">sane-canon630u(5)</A></B>
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</PRE>
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