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sane-hp4200(5)		 SANE Scanner Access Now Easy		sane-hp4200(5)

       sane-hp4200 - SANE backend for Hewlett-Packard 4200 scanners

       The  sane-hp4200	 library  implements  a	SANE (Scanner Access Now Easy)
       backend that provides  access  to  the  following  Hewlett-Packard  USB
       flatbed scanners:

	      ScanJet 4200 C
	      ScanJet 4200 Cxi
	      ScanJet 4200 Cse

       More   details	can   be   found   on	the  hp4200  backend  homepage

       This is BETA software. Keep your	hand at	the scanner's plug and	unplug
       it, if the head bumps at	the end	of the scan area.

       If  you	own a scanner other than the ones listed above that works with
       this backend, please let	us know	this by	sending	 the  scanner's	 exact
       model   name   and   the	  USB	vendor	 and  device  ids  (e.g.  from
       /proc/bus/usb/devices, sane-find-scanner(1) or syslog) to us.  Even  if
       the scanner's name is only slightly different from the models mentioned
       above, please let us know.

       The contents of the hp4200.conf file is a list of usb lines  containing
       vendor  and  product  ids that correspond to USB	scanners. The file can
       also contain the	names of device	files that correspond to  an  HP  4200
       scanner.	  Empty	 lines and lines starting with a hash mark (#) are ig-
       nored.  The scanners  are  autodetected	by  usb	 vendor_id  product_id
       statements  which  are  already included	into hp4200.conf.  "vendor_id"
       and "product_id"	are hexadecimal	numbers	that identify the scanner.  If
       autodetection does not work, add	the device name	of your	scanner	to the
       configuration file, e.g.	 /dev/usb/scanner0.

	      The  backend  configuration  file	 (see  also   description   of
	      SANE_CONFIG_DIR below).

	      The static library implementing this backend.

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

	      This environment variable	specifies the list of directories that
	      may contain the configuration file.  On *NIX systems, the	direc-
	      tories are separated by a	colon (`:'), under OS/2, they are sep-
	      arated  by a semi-colon (`;').  If this variable is not set, the
	      configuration file  is  searched	in  two	 default  directories:
	      first,  the  current working directory (.)  and then in /usr/lo-
	      cal/etc/sane.d.  If the value of the environment	variable  ends
	      with  the	directory separator character, then the	default	direc-
	      tories are searched after	the explicitly specified  directories.
	      For example, setting SANE_CONFIG_DIR to "/tmp/config:" would re-
	      sult in directories tmp/config, ., and /usr/local/etc/sane.d be-
	      ing searched (in this order).

	      If the library was compiled with debug support enabled, this en-
	      vironment	variable controls the debug level  for	this  backend.
	      Higher debug levels increase the verbosity of the	output.

	      Example: export SANE_DEBUG_HP4200=4

       sane(7),	sane-usb(5), sane-find-scanner(1),

       Adrian  Perez  Jorge,  Andrew John Lewis, Arnar Mar Hrafnkelsson, Frank
       Zago, Henning Meier-Geinitz. Current maintainer:	Henning	 Meier-Geinitz

       Tested only with	Linux.

       Only 8 bit color	mode works.

       Scanning	is slow	due to backtracking.

       Send  bug  reports  to  the sane-devel mailing list: sane-devel@alioth-

				  13 Jul 2008			sane-hp4200(5)


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