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






NAME

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



DESCRIPTION

       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 139, which initially shipped with
       SANE 1.1.2.



SUPPORTED HARDWARE

       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, and most of the USB fi-, ScanSnap, & iX series
       scanners are supported.  Please see the list at
       http://www.sane-project.org/sane-supported-devices.html for details.

       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.



UNSUPPORTED HARDWARE

       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
                                        SP-2x/3


OPTIONS

       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
              frontends.

       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 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.

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

       swdeskew
              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
              surrounding 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 advanced
       options may be hidden by some frontend programs.



CONFIGURATION FILE

       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.

       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
              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.


ENVIRONMENT

       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



KNOWN ISSUES

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

       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
       source.

       Network interfaces are not supported on any scanner model.



CREDITS

       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 www.archivista.ch

       Endorser support funded by:
         O A S Oilfield Accounting Service Ltd
         1500, 840 - 7th Avenue S.W.
         Calgary, Alberta
         T2P 3G2 Canada
         1-403-263-2600 www.oas.ca

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

       Hardware donated, software image enhancement and fi-6/7xxx support funded
       by:
         PFU America, Inc.  fujitsuscanners.com

       iX500 support funded by:
         Prefix Computer Services www.prefixservice.com



SEE ALSO

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



AUTHOR

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



                                   15 Nov 2022                   sane-fujitsu(5)

sane-backends 1.2.1 - Generated Sat Feb 25 15:02:52 CST 2023
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