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

NAME
       sane-epjitsu - SANE backend for Epson-based Fujitsu USB scanners.

DESCRIPTION
       The  sane-epjitsu  library  implements a	SANE (Scanner Access Now Easy)
       backend which provides  basic  access  the  Fujitsu  fi-60F/fi-65F  and
       ScanSnap	S300/S1300/S1100 scanners.

HARDWARE SUPPORT
       These  scanners	are  fairly limited, only supporting a couple of modes
       and resolutions,	and always scanning full width.	The  backend  supports
       missing modes (binary, grayscale) and intermediate resolutions in soft-
       ware, but provides only minimal scan area controls. See KNOWN ISSUES.

       This backend may	support	other scanners.	If physical inspection reveals
       an  Epson  chipset,  please contact the author for instructions on col-
       lecting a USB trace under Windows to verify.

OPTIONS
       A limited effort	has been made to expose	the standard  options  to  the
       API.   This allows a frontend to	set resolution,	color mode, and	choose
       the ADF setting.	The epjitsu backend supports the following  basic  op-
       tions for most scanners:

       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",
	      "Gray", "Color".

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

       Other  options will be available	based on the capabilities of the scan-
       ner. Use	'scanimage --help' to get a list. Be aware that	 some  options
       may appear only when another option has been set, and that advanced op-
       tions may be hidden by the frontend.

CONFIGURATION FILE
       The configuration file "/usr/local/etc/sane.d/epjitsu.conf" is used  to
       tell the	backend	how to look for	scanners, and provide options control-
       ling 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 not	work.

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

       "usb 0x04c5 0x10c7" (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 supported	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  "firmware  /PATH/TO/FILE",
       allowing	 you  to  set  the  location of	the firmware file you have ex-
       tracted from the	Windows	driver.

       Note: This firmware is a	copyrighted work of Fujitsu, so	cannot be pro-
       vided by	the backend or the author. Please do not ask.

       Note:  These scanners REQUIRE a firmware	file to	function. See the sup-
       plied configuration file	for more detail.

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

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

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

KNOWN ISSUES
	      Only limited scan	area options are exposed.
	      fi-60F and fi-65F	hardware grayscale mode	is not used.

CREDITS
       S300 support funded by Microdea,	Inc. and Archivista, GmbH.
       fi-60F support funded by	TrueCheck, Inc.
       Improved	calibration code provided by Richard Goedeken.

SEE ALSO
       sane(7),	sane-usb(5)

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

				  12 Jun 2014		       sane-epjitsu(5)

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

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