sane-fujitsu - SANE backend for Fujitsu flatbed and ADF scanners


   The  sane-fujitsu  library  implements a SANE (Scanner Access Now Easy)
   backend which provides access to most Fujitsu flatbed and ADF scanners.

   This document describes backend version 117, which  shipped  with  SANE


   This  version  supports every known model which speaks the Fujitsu SCSI
   and SCSI-over-USB protocols. Specifically, the  SCSI  M309x  and  M409x
   series, the SCSI fi-series, most of the USB fi-series, the USB ScanSnap
   S5xx/S15xx, and the USB iX5xx series scanners are supported. Please see
   the list at for

   This backend may support  other  Fujitsu  scanners.  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.


   The  following scanners are known NOT to work with this backend, either
   because they have a non-fujitsu chipset, or  an  unsupported  interface
   type. Some of these scanners may be supported by another backend.

          SCSI:        SERIAL:      USB:
          ------------ ------------ ------------
          ScanStation  M3093E/DE/EX fi-4110EOX/2
          ScanPartner  M3096EX      fi-4010CU
          SP-Jr        M3097E+/DE   S300/S300M
          SP-10/10C    M3099A/EH/EX S1300/S1100
          SP-15C/300C               fi-60F
          SP-600C/620C              fi-5015C


   Effort has been made to expose all 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".

   resolution, y-resolution
          Controls   scan   resolution.  Setting  --resolution  also  sets
          --y-resolution, though  this  behavior  is  overridden  by  some

   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: machines with IPC or  DTC  will  have  additional  enhancement
   options,  those  with  CMP  will have compression options, those with a
   printer will have a group of endorser options.

   Additionally, several 'software' options are exposed  by  the  backend.
   These  are  reimplementations  of  features provided natively by larger
   scanners, but running  on  the  host  computer.  This  enables  smaller
   machines  to have similar capabilities. Please note that these features
   are somewhat simplistic, and may not perform  as  well  as  the  native
   implementations.  Note  also  that  these features all require that the
   driver cache the entire image in memory.  This  will  almost  certainly
   result in a reduction of scanning speed.

   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 "fujitsu.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 be unable to locate any

   Scanners can be specified in the configuration file in 4 ways:

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

   "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.

   "usb 0x04c5 0x1042" (or other vendor/product ids)
          Requests backend to search all usb busses in the  system  for  a
          device  which  uses  that vendor and product id. The device will
          then be queried to determine if it is a Fujitsu scanner.

   "usb /dev/usb/scanner0" (or other device file)
          Some systems use a kernel driver to access  usb  scanners.  This
          method is untested.

   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, 65536 (64K). 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_FUJITSU,
   which enables debugging output to stderr. Valid values are:

          5  Errors
          10 Function trace
          15 Function detail
          20 Option commands
          25 SCSI/USB trace
          30 SCSI/USB writes
          31 SCSI/USB reads
          35 Useless noise


   Flatbed  units  may  fail to scan at maximum area, particularly at high

   Any model that does not support VPD during inquiry  will  not  function
   until an override is added to the backend.

   CCITT Fax compression used by older scanners is not supported.

   JPEG  output is supported by the backend, but not by the SANE protocol,
   so is disabled in this release. It can be enabled if you  rebuild  from


   m3091 backend: Frederik Ramm <frederik a t remote d o t org>
   m3096g backend: Randolph Bentson <bentson a t holmsjoen d o t com>
     (with credit to the unnamed author of the coolscan driver)
   fujitsu backend, m3093, fi-4340C, ipc, cmp, long-time maintainer:
     Oliver Schirrmeister <oschirr a t abm d o t de>
   m3092: Mario Goppold <mgoppold a t tbzpariv d o t tcc-chemnitz dot de>
   fi-4220C and basic USB support: Ron Cemer <ron a t roncemer d o t com>
   fi-4120, fi-series color, backend re-write, jpeg, current maintainer:
     m. allan noah: <kitno455 a t gmail d o t com>

   JPEG output and low memory usage support funded by:
     Archivista GmbH

   Endorser support funded by:
     O A S Oilfield Accounting Service Ltd
     1500, 840 - 7th Avenue S.W.
     Calgary, Alberta
     T2P 3G2 Canada

   Automatic length detection support funded by:
     Martin G. Miller
     mgmiller at

   Hardware donated, software image enhancement and fi-6xxx support funded
     Fujitsu Computer Products of America, Inc.

   iX500 support funded by:
     Prefix Computer Services


   sane(7),  sane-scsi(5),  sane-usb(5),  sane-sp15c(5),  sane-avision(5),


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

                              17 Sep 2013                  sane-fujitsu(5)


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