kopia lustrzana https://gitlab.com/sane-project/backends
147 wiersze
4.7 KiB
Groff
147 wiersze
4.7 KiB
Groff
.TH sane\-st400 5 "14 Jul 2008" "@PACKAGEVERSION@" "SANE Scanner Access Now Easy"
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.IX sane\-st400
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.SH NAME
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sane\-st400 \- SANE backend for Siemens ST/Highscan flatbed scanners
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.SH DESCRIPTION
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The
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.B sane\-st400
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library implements a SANE (Scanner Access Now Easy) backend that
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provides access to Siemens ST400 flatbed scanners and compatibles.
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At present, the following scanners are supported by this backend:
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.PP
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.RS
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Siemens ST400 (6 bit gray scale)
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.br
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Siemens ST800 (6 bit gray scale)
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.br
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.RE
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.PP
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The driver supports line art and gray scans up to 8bpp.
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.PP
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The Siemens ST/Highscan series includes several more models, e.g. the ST300
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and ST600. If you own one of these scanners, or a scanner other than the
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ones listed above that works with this backend, please let us know by sending
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the scanner's model name, SCSI ID, and firmware revision to
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.IR sane\-devel@alioth-lists.debian.net .
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Have a look at http://www.sane\-project.org/mailing\-lists.html concerning subscription
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to sane\-devel.
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.SH "DEVICE NAMES"
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This backend expects device names of the form:
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.PP
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.RS
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.I special
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.RE
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.PP
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Where
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.I special
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is either the path-name for the special device that corresponds to a
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SCSI scanner. For SCSI scanners, the special device name must be a
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generic SCSI device or a symlink to such a device. Under Linux, such
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a device name could be
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.I /dev/sga
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or
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.IR /dev/sge ,
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for example. See sane\-scsi(5) for details.
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.SH CONFIGURATION
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The contents of the
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.I st400.conf
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file is a list of device names that correspond to Siemens
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scanners. Empty lines and lines starting with a hash mark (#) are
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ignored. A sample configuration file is shown below:
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.PP
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.RS
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/dev/scanner
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.br
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# this is a comment
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.br
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/dev/sge
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.RE
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.PP
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The default configuration file that is distributed with SANE looks like
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this:
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.PP
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.RS
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scsi SIEMENS "ST 400" Scanner * * 3 0
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.RE
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.PP
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In this configuration, the driver can only access the ST400 model
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at SCSI ID 3 LUN 0 (see section "BUGS" below for the reason).
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To use the driver with other scanner models, add an appropriate line to
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the configuration file. For example, to use it with an ST800 at SCSI
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ID 3 LUN 0, add the line:
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.PP
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.RS
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scsi SIEMENS "ST 800" Scanner * * 3 0
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.RE
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.SH FILES
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.TP
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.I @CONFIGDIR@/st400.conf
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The backend configuration file (see also description of
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.B SANE_CONFIG_DIR
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below).
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.TP
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.I @LIBDIR@/libsane\-st400.a
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The static library implementing this backend.
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.TP
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.I @LIBDIR@/libsane\-st400.so
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The shared library implementing this backend (present on systems that
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support dynamic loading).
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.SH ENVIRONMENT
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.TP
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.B SANE_CONFIG_DIR
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This environment variable specifies the list of directories that may
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contain the configuration file. Under UNIX, the directories are
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separated by a colon (`:'), under OS/2, they are separated by a
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semi-colon (`;'). If this variable is not set, the configuration file
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is searched in two default directories: first, the current working
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directory (".") and then in /etc/sane.d. If the value of the
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environment variable ends with the directory separator character, then
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the default directories are searched after the explicitly specified
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directories. For example, setting
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.B SANE_CONFIG_DIR
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to "/tmp/config:" would result in directories "tmp/config", ".", and
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"/etc/sane.d" being searched (in this order).
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.TP
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.B SANE_DEBUG_ST400
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If the library was compiled with debug support enabled, this environment
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variable controls the debug level for this backend. E.g., a value of 128
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requests all debug output to be printed. Smaller levels reduce verbosity.
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.SH MISSING FUNCTIONALITY
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Everything but the most basic stuff.
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.SH BUGS
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Currently, the backend does not check if the attached device really is
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a ST400. It will happily accept everything that matches the configuration
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entries. This makes it easy to test the backend with other scanners:
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Just add an appropriate line to the configuration file. The configuration
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file as distributed (see above) only works with the ST400. Be careful:
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If there is no config file at all, the backend defaults to /dev/scanner.
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.PP
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The ST400 answers on all eight SCSI LUNs. Normally this is not a problem,
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as LUN support is usually disabled in SCSI drivers, but if you are seeing
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multiple instances of the scanner in a device list, either disable LUNs in
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your SCSI setup or change the entry in the configuration file to match
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LUN 0 only.
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.SH DEBUG
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If you encounter a bug please set the environment variable
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SANE_DEBUG_ST400 to 128 and try to regenerate the problem. Then
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send me a report with the log attached.
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.PP
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If you encounter a SCSI bus error or trimmed and/or displaced images please
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also set the environment variable SANE_DEBUG_SANEI_SCSI to 128 before sending
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me the report.
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.SH "SEE ALSO"
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sane(7), sane\-scsi(5)
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.br
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http://www.informatik.uni-oldenburg.de/~ingo/sane/
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.SH AUTHOR
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Ingo Wilken <Ingo.Wilken@informatik.uni-oldenburg.de>
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