sane-kodak - SANE backend for big Kodak flatbed and ADF scanners


   The  sane-kodak  library  implements  a  SANE (Scanner Access Now Easy)
   backend which provides access to large Kodak flatbed and ADF scanners.

   This document describes backend version  7,  which  shipped  with  SANE


   This  version  should  support  models  which  speak the Kodak SCSI and
   Firewire protocols. The i1860 was used  to  develop  the  backend,  but
   other  models  may work with only minimal modifications. Please see the
   list at for  an
   updated list.

   If  you have a machine not on that list, or reported as 'untested': the
   best way to determine level of support is to test the scanner directly,
   or  to collect a trace of the windows driver in action.  Please contact
   the author for help or with test results.


   Most of the recent Kodak consumer or workgroup level machines are based
   on  other chipsets and are not supported by this backend. Some of these
   scanners may be supported by another backend.


   Effort has been made to expose the basic hardware options, including:

   source s
          Selects the source for the scan. Options may include  "Flatbed",
          "ADF Front", "ADF Back", "ADF Duplex".

   mode m
          Selects  the  mode  for the scan. Options may include "Lineart",
          "Halftone", "Gray", and "Color".

          Controls scan resolution. Available choices may  be  limited  by

   tl-x, tl-y, br-x, br-y
          Sets scan area upper left and lower right coordinates. These are
          renamed t, l, x, y by some frontends.

   page-width, page-height
          Sets paper size. Used by scanner to determine centering of  scan
          coordinates when using ADF and to detect double feed errors.

   Other  options  will  be  available  based  on  the capabilities of the
   scanner.  Use 'scanimage --help' to get a list, but be aware that  some
   options may be settable only when another option has been set, and that
   advanced options may be hidden by some frontend programs.


   The configuration file "kodak.conf" is used to tell the backend how  to
   look for scanners, and provide options controlling the operation of the
   backend.  This file is read each time the frontend asks the backend for
   a  list  of  scanners,  generally only when the frontend starts. If the
   configuration file is missing, the backend will use a set  of  compiled
   defaults, which are identical to the default configuration file shipped
   with SANE.

   Scanners can be specified in the configuration file in 2 ways:

   "scsi KODAK"
          Requests backend to search all scsi busses in the system  for  a
          device which reports itself to be a scanner made by 'KODAK'.

   "scsi /dev/sg0" (or other scsi device file)
          Requests  backend  to open the named scsi device. Only useful if
          you have multiple compatible scanners connected to your  system,
          and  need  to  specify one. Probably should not be used with the
          other "scsi" line above.

   The only configuration option supported is "buffer-size=xxx",  allowing
   you  to  set  the number of bytes in the data buffer to something other
   than the compiled-in default, 32768 (32K). Some users report that their
   scanner  will  "hang"  mid-page,  or  fail to transmit the image if the
   buffer is not large enough.

   Note: This option may appear multiple times in the configuration  file.
   It  only applies to scanners discovered by 'scsi/usb' lines that follow
   this option.

   Note: The backend does not place an upper bound on this value, as  some
   users  required  it to be quite large. Values above the default are not
   recommended, and may crash your OS or lockup your scsi card driver. You
   have been warned.


   The backend uses a single environment variable, SANE_DEBUG_KODAK, which
   enables debugging output to stderr. Valid values are:

          5  Errors
          10 Function trace
          15 Function detail
          20 Option commands
          25 SCSI trace
          30 SCSI detail
          35 Useless noise


   Most hardware options are either  not  supported  or  not  exposed  for
   control by the user, including: multifeed detection, image compression,
   autocropping, endorser, iThresholding, multi-stream, etc.


   The various authors of the sane-fujitsu backend provided useful code.
   Kodak provided access to hardware, documentation and personnel.


   sane(7), sane-scsi(5)


   m. allan noah: <kitno455 a t gmail d o t com>

                              10 Feb 2010                    sane-kodak(5)


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