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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 136, which  shipped  with  SANE
       1.0.30.

SUPPORTED HARDWARE
       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 http://www.sane-project.org/sane-supported-devices.html
       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.

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/3x

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 ADF 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.

       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.

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 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 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.

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.

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:
	 Fujitsu Computer Products of America, Inc.
	 www.fcpa.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>

				  07 Feb 2020		       sane-fujitsu(5)

NAME | DESCRIPTION | SUPPORTED HARDWARE | UNSUPPORTED HARDWARE | OPTIONS | CONFIGURATION FILE | ENVIRONMENT | KNOWN ISSUES | CREDITS | SEE ALSO | AUTHOR

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