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sane-matsushita(5)	 SANE Scanner Access Now Easy	    sane-matsushita(5)

       sane-matsushita - SANE backend for Panasonic KV-SS high speed scanners

       The sane-matsushita library implements a SANE (Scanner Access Now Easy)
       backend that provides access to some Panasonic KV-SS high  speed	 scan‐
       ners. This backend is stable.

       At present, the following scanners are known to work with this backend:

		Product id
		 KV-SS55EX (*)
		 KV-S2025C (*)
		 KV-S2045C (*)
		 KV-S2065L (*)

       (*)  WARNING: None of the advanced options of these scanners are avail‐
       able (ie no color, no high resolution, no  automatic  cropping).	 Basi‐
       cally,  the  driver  does  no more than what it does for the KV-SS25. I
       don't have access to such scanners, and thus cannot add these options.

       Other Panasonic high speed scanners may or may not work with that back‐

       Valid command line options and their syntax can be listed by using
	      scanimage --help -d matsushita

       Scan Mode

       --mode selects the basic mode of operation of the scanner.

	      selects  the resolution for a scan. Each model supports all or a
	      subset of these resolutions: 100, 150, 200, 240, 300, 360, 400.

	      indicates whether to scan both side of the sheet.

	      selects the number of pages to scan (one or until	 the  tray  is


       --paper-size A4|...|Legal|Letter [A4]
	      options  selects	the  area  to  scan. It adjust the -l -t -x -y
	      options accordingly. It does not need to be the real size of the

       -l -t -x -y
	      control the scan area: -l sets the top left x coordinate, -t the
	      top left y coordinate, -x selects the width and -y the height of
	      the  scan	 area. All parameters are specified in millimeters. It
	      is possible to use the option --paper-size instead.


	      controls the brightness of the acquired image. The value	varies
	      from 1 to 255, or less, depending on the scanner model.

	      controls	the contrast of the acquired image. Some models do not
	      support that option.

	      automatically sets brightness,  contrast,	 white	level,	gamma,
	      noise reduction and image emphasis. These options are not avail‐
	      able when automatic-threshold is in use.

	      option sets the tonal gradation for the halftone	mode.  Pattern
	      downloading is not implemented by the backend.

	      provides automatic separation of text and images.

	      option indicate the source of the white base.

	      reduces  the isolated dot noise. This option is not supported by
	      all scanners.

	      option sets the image emphasis. Some selection are not available
	      on all scanners.

	      options  set  the	 gamma curve. It is only valid for Gray modes,
	      and is not available on all scanners. Gamma downloading  is  not
	      implemented by the backend.

       The	  configuration	       file	  /system/resources/sane-back‐
       ends/1.0.18/etc/sane.d/matsushita.conf supports the device name to  use
       (eg  /dev/scanner) and the SCSI option to auto-detect the scanners sup‐

	      The static library implementing this backend.

	      The shared library implementing this backend (present on systems
	      that support dynamic loading).

	      If  the  library	was  compiled with debug support enabled, this
	      environment variable controls the debug level for this  backend.
	      E.g.,  a	value  of 128 requests all debug output to be printed.
	      Smaller levels reduce verbosity.

       Memory in the KV-SS 25
	      The KV-SS 25 has not enough internal memory to scan a  whole  A4
	      page in duplex mode at high resolution. The frontend will return
	      a memory error in that case. Apparently, the KV-SS 25D  has  not
	      that problem.

       Pattern and gamma downloading
	      The  scanner,  with the proper firmware, can download a halftone
	      pattern and a gamma table. This is not implemented.

	      The scanner can support up to 3 sub-areas on each side to define
	      some more precise enhancement options. This is not implemented.

       Duplex mode
	      The  backend  does  not support the setting of different options
	      for each side.  The  scan	 will  occur  with  the	 same  options
	      (halftone pattern, brightness, image emphasis) for both sides.

       To  date, the only frontend capable of using this scanner at full speed
       is scanadf.

       A scanadf command line would be:

       scanadf	-d  matsushita	--output-file  scan%04d.pbm  --start-count   0
       --duplex --resolution 300 --feeder-mode="All pages" --paper-size="A4"

       None known.

       sane-scsi(5), scanimage(1), xscanimage(1), xsane(1), sane(7)

       The package is actively maintained by Frank Zago.

sane-backends 1.0.18	      February 11th, 2004	    sane-matsushita(5)

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