sane-lexmark - SANE backend for Lexmark X1100/X1200 Series scanners


   The  sane-lexmark  library  implements a SANE (Scanner Access Now Easy)
   backend that provides access to the scanner part of Lexmark X1100/X1200
   AIOs. This backend should be considered beta-quality software!

   The scanners that should work with this backend are:

             Vendor Model           status
          ----------------------  -----------
            Lexmark X74             good
            Lexmark X1110           untested
            Lexmark X1140           untested
            Lexmark X1150           good
            Lexmark X1170           good
            Lexmark X1180           good
            Lexmark X1185           complete
            Lexmark X12xx           good in USB1.1,
                           not fully tested in USB2.0
            Dell    A920            good

   The options the backend supports can either be selected through command
   line options to programs like scanimage  or  through  GUI  elements  in
   xscanimage or xsane.

   If  you  have  any  strange  behavior,  please  report  to  the backend
   maintainer or to the SANE mailing list.

   Valid command line options and their syntax can be listed by using
          scanimage --help -d lexmark:usb:<usb port>

   Scan Mode Options

   --mode selects the basic mode of operation of the scanner valid choices
          are  Color,  Gray  and  Lineart  The  default mode is Color. The
          Lineart mode is black and white only (1  bit).   Grayscale  will
          produce  256 levels of gray (8 bits). Color mode allows for over
          16 million different colors  produced  from  24  bits  of  color

          selects  the  resolution for a scan. The horizontal and vertical
          resolutions are set by the value of this option. The scanner  is
          capable  of  the  following resolutions for the specified option

            Value   Hor. Resolution  Vert. Resolution
            -----   ---------------  -------------------
            75      75dpi            75dpi
            150     150dpi           150dpi
            300     300dpi           300dpi
            600     600dpi           600dpi
            1200    600dpi           1200dpi  (only for X11xx models with 'B2' sensor)

          requests a preview scan. The resolution used for that scan is 75
          dpi and the scan area and the scan mode are as specified through
          their options, or the default  if  not  specified.  The  default
          value for preview mode is "no".

          selects  the   minimum-brightness  to  get  a  white  point. The
          threshold is only used with Lineart mode scans.  It is specified
          as  a  percentage  in  the  range  0..100% (in steps of 1).  The
          default value of the threshold option is 50.


   The configuration file /etc/sane.d/lexmark.conf contains only  the  usb
   device id (eg usb 0x043d 0x007c).


          The static library implementing this backend.

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


          SANE_DEBUG_LEXMARK_LOW If the library was  compiled  with  debug
          support  enabled,  this  environment variable controls the debug
          level for this backend. E.g., a value of 255 requests all  debug
          output to be printed. Smaller levels reduce verbosity.


   The  windows TWAIN driver has many more options than this SANE backend.
   However  they  are  only  software  adjustments.  This   backend   only
   implements   what  the  scanner  can  support.  For  instance,  shading
   correction (vertical stripes due to sensor variation across its  width)
   is  done  in software. Head park position is also detected by software.
   The data compression isn't supported for the X1200 series on  USB  1.1,
   leading to slow scans.


   No bugs currently known.


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


   The backend was originally written by Fred Odendaal.

   The new version is currently developed by Stphane Voltz.

   X74 support was written by Torsten Houwaart (<>)


   Many thanks go to:
          Julien Furgerot who lend me a Dell A920.  Robert Price, Dani Ele
          and Dalai Felinto for the time they spent recording USB activity
          and testing the experimental version.

                              12 Jul 2008                  sane-lexmark(5)


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