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


       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 137, 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 se-
       ries,  the  SCSI fi-series, most of the USB fi-series, the USB ScanSnap
       S5xx/S15xx, and the USB iX1xx/5xx series scanners are supported. Please
       see the list at
       for details.

       This backend may support other Fujitsu scanners. The best way to deter-
       mine  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/65F
              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",  "Card  Front",  "Card
              Back", "Card 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 the ADF (Automatic Document  Feeder)  and
              to detect double feed errors.

       Other  options will be available based on the capabilities of the scan-
       ner: 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  ma-
       chines  to  have  similar capabilities. Please note that these features
       are somewhat simplistic, and may not perform as well as the native  im-
       plementations.  Note  also  that  these  features  all require that the
       driver cache the entire image in memory. This will almost certainly re-
       sult in a reduction of scanning speed.

              Requests  the  driver  to  detect  the  extremities of the paper
              within the larger image, and crop the empty edges.

              Requests the driver to detect the rotation of the  paper  within
              the larger image, and counter the rotation.

       swdespeck X
              Requests  the  driver  to  find and remove dots of X diameter or
              smaller from the image, and fill the space with the average sur-
              rounding color.

       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  ad-
       vanced 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 buses 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 buses in the system for a de-
              vice 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 buf-
       fer 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-6/7xxx support
       funded by:
         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>

                                  13 Feb 2021                  sane-fujitsu(5)

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