sane-microtek - SANE backend for Microtek scanners


   The  sane-microtek  library implements a SANE (Scanner Access Now Easy)
   backend that  provides  access  to  the  "second  generation"  Microtek
   scanners.   At  present,  the  following hardware is known to work with
   this backend:

          Microtek ScanMaker E2, E3, E6
          Microtek ScanMaker II, IIG, IIHR, IISP, III
          Microtek ScanMaker 35t, 35t+, 45t
          Microtek ScanMaker 600GS, 600ZS (see bug notes)
          Agfa StudioScan
          Agfa StudioScan II, StudioScan IIsi
          Agfa Arcus II (but not the "Arcus")
          Agfa DuoScan (preliminary)
          Vobis "Highscreen Realscan"
          Microtek Color PageWiz (preliminary)

          Transparent Media Adapter
          Document AutoFeeder

   The driver supports line art, halftone,  8bpp  gray,  and  24bpp  color
   scans  at  normal and "expanded" resolutions (i.e. 1200x1200 on an E6),
   fast scans for color previews, and downloadable gamma tables.

   The supported scanners are all SCSI scanners.  However,  some  parallel
   port  models  may work (under Linux), if they use a parport->scsi chip,
   and if you can find a scsi->parport driver.  This is known  to  be  the
   case for the Color PageWiz.

   The  driver  does not support the newest Microtek scanners, such as the
   V330 and V660, which use a new and very different SCSI-II command  set.
   For those, try the alternate microtek2 backend.  Most non-SCSI scanners
   would use the new command set.  Most scanners newer than the  Scanmaker
   E6 would use the new command set.

   If you own a Microtek scanner other than the ones listed above, tell us
   what happens --- see the BUGS section at the end of this document.

   Although this manual page is generally updated with each  release,  up-
   to-date  information  on  new releases and extraneous helpful hints are
   available from the backend homepage:


   This backend expects device names of the form:


   Where special is  the  UNIX  path-name  for  the  special  device  that
   corresponds  to the scanner.  The special device name must be a generic
   SCSI device or a symlink to such a device.  Under Linux, such a  device
   name could be /dev/sga or /dev/sge, for example.


   The  contents  of the microtek.conf file is a list of device names that
   correspond to Microtek scanners.  Empty lines and lines starting with a
   hash mark (#) are ignored.  A sample configuration file is shown below:

          # this is a comment

   The configuration file may also contain the special tokens norealcal or
   noprecal.  norealcal  will  disable  the  use  of  magic,  undocumented
   scanner calibration commands which are known to work on the E6, but may
   not work with other models.  noprecal will disable logic which tries to
   avoid   scanner  precalibration.   This  logic  would  only  have  been
   activated if the magic calibration code was turned off.


          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.  Under UNIX, the directories
          are separated by a colon (`:'), under OS/2, they  are  separated
          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
          /etc/sane.d.  If the value of the environment variable ends with
          the  directory separator character, then the default directories
          are searched after the explicitly  specified  directories.   For
          example,  setting SANE_CONFIG_DIR to "/tmp/config:" would result
          in  directories  "tmp/config",  ".",  and  "/etc/sane.d"   being
          searched (in this order).

          If the library was compiled with debugging support enabled, this
          environment variable controls the debug level for this  backend.
          A  value of 128 requests maximally copious debug output; smaller
          levels reduce verbosity.


   sane(7), sane-scsi(5)


   Matt Marjanovic


   Known bugs/limitations are:

          Brightness and contrast broken.
          The 600GS is grayscale only, and will  lock  up  if  you  select
          color.     (Unfortunately,    the    600GS    and    600ZS   are
          indistinguishable by software.)

   i.e. don't complain about these --- but if brightness  and/or  contrast
   do work for you, please tell me.

   If  your scanner locks up, try setting the norealcal or noprecal option
   in the configuration file (first one, then both), and see if it  helps.
   (If it does, report it.)

   Send   lengthy   bug   reports   and   new   scanner   information   to  All bug reports and new  scanner  inquiries  should
   include  an  error log file.  You can generate copious stderr output by
   setting the SANE_DEBUG_MICROTEK environment variable  described  above.
   For example:

          setenv SANE_DEBUG_MICROTEK 128

   More  general  comments,  suggestions, and inquiries about frontends or
   SANE  should  go  to,   the   SANE
   Developers       mailing       list.      Have      a      look      at concerning  subscription
   to sane-devel.

                              13 Jul 2008                 sane-microtek(5)


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