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119 wiersze
5.0 KiB
HTML
<HTML>
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<TITLE>sane-epsonds.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-epsonds.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-epsonds.5.html">sane-epsonds(5)</A></B> SANE Scanner Access Now Easy <B><A HREF="sane-epsonds.5.html">sane-epsonds(5)</A></B>
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</PRE>
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<H2>NAME</H2><PRE>
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sane-epsonds - SANE backend for EPSON ESC/I-2 scanners
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</PRE>
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<H2>DESCRIPTION</H2><PRE>
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The <B>sane-epsonds</B> library implements a SANE (Scanner Access Now Easy)
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backend that provides access to Epson ESC/I-2 scanners.
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Valid command line options and their syntax can be listed by using
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scanimage --help -d epsonds
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Not all devices support all options.
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<I>Scan</I> <I>Mode</I>
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The <B>--mode</B> switch selects the basic mode of operation of the
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scanner. Valid choices are Lineart, Gray and Color. The Lineart
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mode is black and white only, Gray will produce 256 levels of
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gray or more depending on the scanner and Color means 24 bit
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color mode or more depending on the scanner. Some scanners will
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internally use 36 bit color, their external interface however
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may only support 24 bits.
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The <B>--depth</B> option selects the bit depth the scanner is using.
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This option is only available for scanners that support more
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than one bit depth. Older scanners will always transfer the im-
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age in 8bit mode. Newer scanners allow one to select either 8
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bits, 12 or 14 bits per color channel. For a color scan this
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means an effective color depth of 36 or 42 bits over all three
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channels. The valid choices depend on the scanner model.
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The <B>--resolution</B> switch selects the resolution for a scan. Some
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EPSON scanners will scan in any resolution between the lowest
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and highest possible value. The list reported by the scanner can
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be displayed using the "--help -d epson" parameters to <B>scanim-</B>
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<B><A HREF="age.1.html">age(1)</A></B>.
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The geometry options <B>-l</B> <B>-t</B> <B>-x</B> <B>-y</B> control the scan area: <B>-l</B> sets
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the top left x coordinate, <B>-t</B> the top left y coordinate, <B>-x</B> se-
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lects the width and <B>-y</B> the height of the scan area. All parame-
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ters are specified in millimeters.
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The <B>--source</B> option selects the scan source. Valid options de-
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pend on the installed options. The default is "Flatbed".
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The <B>--eject</B> option ejects the sheet in the ADF.
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The <B>--adf-mode</B> option select the ADF mode (simplex/duplex).
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</PRE>
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<H2>CONFIGURATION FILE</H2><PRE>
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The configuration file <I>/usr/local/etc/sane.d/epsonds.conf</I> specifies the
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device(s) that the backend will use. Possible connection types are:
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<B>USB</B> For not automatically detected USB scanners, their VENDOR and
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PRODUCT ID can be specified manually in the config file. More
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information about valid syntax for USB devices can be found in
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<B><A HREF="sane-usb.5.html">sane-usb(5)</A></B>.
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<B>Network</B> <B>(not</B> <B>yet</B> <B>supported)</B>
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Network scanners can be auto-discovered if <B>autodiscovery</B> is
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specified after <B>net</B> keyword. An IP address to connect to can
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also be used.
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</PRE>
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<H2>FILES</H2><PRE>
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<I>/usr/local/lib/sane/libsane-epsonds.a</I>
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The static library implementing this backend.
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<I>/usr/local/lib/sane/libsane-epsonds.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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</PRE>
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<H2>ENVIRONMENT</H2><PRE>
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<B>SANE_DEBUG_EPSONDS</B>
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If the library was compiled with debug support enabled, this en-
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vironment variable controls the debug level for this backend.
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E.g., a value of 128 requests all debug output to be printed.
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Smaller levels reduce verbosity. Values around 11-16 will usu-
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ally be enough for a bug report.
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</PRE>
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<H2>SEE ALSO</H2><PRE>
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<B><A HREF="sane-usb.5.html">sane-usb(5)</A></B>, <B><A HREF="scanimage.1.html">scanimage(1)</A></B>, <B><A HREF="xscanimage.1.html">xscanimage(1)</A></B>, <B><A HREF="xsane.1.html">xsane(1)</A></B>
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</PRE>
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<H2>AUTHOR</H2><PRE>
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The backend is written by Alessandro Zummo.
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29 Mar 2015 <B><A HREF="sane-epsonds.5.html">sane-epsonds(5)</A></B>
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</PRE>
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