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

       sane-plustek - SANE backend for LM983[1/2/3] based USB flatbed scanners

       The  sane-plustek  library  implements a SANE (Scanner Access Now Easy)
       backend that provides access to USB flatbed scanners based on  National
       Semiconductor Merlin chipsets (LM9831, 9832 and 9833).  If you're look‐
       ing for parallel-port support for Plustek scanner please refer  to  the
       sane-plustek_pp backend.

       The  Backend is able to support USB scanner based on the National Semi‐
       conductor chipsets LM9831, LM9832 and LM9833. The following tables show
       various	devices	 which are currently reported to work. If your Plustek
       scanner has another Product ID, then the device	is  NOT	 supported  by
       this backend.

       Vendor Plustek - ID: 0x07B3
       USB Model:	  ASIC:	 Properties:		  Prod-ID
       OpticPro U12	  LM9831  600x1200dpi 42bit 512Kb 0x0010
       OpticPro UT12	  LM9831  600x1200dpi 42bit 512Kb 0x0013
       OpticPro UT12	  LM9832  600x1200dpi 42bit 512Kb 0x0017
       OpticPro UT16	  LM9832  600x1200dpi 42bit 512Kb 0x0017
       OpticPro U24	  LM9831 1200x2400dpi 42bit   2Mb 0x0011
       OpticPro U24	  LM9832 1200x2400dpi 42bit   2Mb 0x0015
       OpticPro UT24	  LM9832 1200x2400dpi 42bit   2Mb 0x0017

       Vendor KYE/Genius - ID: 0x0458
       USB Model:	  ASIC:	 Properties:		  Prod-ID
       Colorpage HR6 V2	  LM9832  600x1200dpi 42bit 512Kb 0x2007
       Colorpage HR6 V2	  LM9832  600x1200dpi 42bit 512Kb 0x2008
       Colorpage HR6A	  LM9832  600x1200dpi 42bit 512Kb 0x2009
       Colorpage HR7	  LM9832  600x1200dpi 42bit 512Kb 0x2013
       Colorpage HR7LE	  LM9832  600x1200dpi 42bit 512Kb 0x2015
       Colorpage HR6X	  LM9832  600x1200dpi 42bit 512Kb 0x2016

       Vendor Hewlett-Packard - ID: 0x03F0
       USB Model:	  ASIC:	 Properties:		  Prod-ID
       ScanJet 2100C	  LM9831  600x1200dpi 42bit 512Kb 0x0505
       ScanJet 2200C	  LM9832  600x1200dpi 42bit 512Kb 0x0605

       Vendor Mustek - ID: 0x0400
       USB Model:	  ASIC:	 Properties:		  Prod-ID
       BearPaw 1200	  LM9831  600x1200dpi 42bit 512Kb 0x1000
       BearPaw 1200	  LM9832  600x1200dpi 42bit 512Kb 0x1001*
       BearPaw 2400	  LM9832 1200x2400dpi 42bit   2Mb 0x1001
       * see also description for model override switch below!

       Vendor UMAX - ID: 0x1606
       USB Model:	  ASIC:	 Properties:		  Prod-ID
       UMAX 3400	  LM9832  600x1200dpi 42bit 512Kb 0x0050
       UMAX 3400/3450	  LM9832  600x1200dpi 42bit 512Kb 0x0060
       UMAX 5400	  LM9832 1200x2400dpi 42bit 512Kb 0x0160

       Vendor COMPAQ - ID: 0x049F
       USB Model:	  ASIC:	 Properties:		  Prod-ID
       S4-100		  LM9832  600x1200dpi 42bit 512Kb 0x001A

       Vendor Epson - ID: 0x04B8
       USB Model:	  ASIC:	 Properties:		  Prod-ID
       Perfection 1250	  LM9832 1200x2400dpi 42bit 512Kb 0x010F
       Perfection 1260	  LM9832 1200x2400dpi 42bit 512Kb 0x011D

       Vendor CANON - ID: 0x04A9
       USB Model:	  ASIC:	 Properties:		  Prod-ID
       CanoScan N650/656U LM9832  600x1200dpi 42bit 512Kb 0x2206
       CanoScan N1220U	  LM9832 1200x2400dpi 42bit 512Kb 0x2207
       CanoScan D660U	  LM9832  600x1200dpi 42bit 512Kb 0x2208
       CanoScan N670/676U LM9833  600x1200dpi 48bit 512Kb 0x220D
       CanoScan N1240U	  LM9833 1200x2400dpi 48bit 512Kb 0x220E
       CanoScan LIDE20	  LM9833  600x1200dpi 48bit 512Kb 0x220D
       CanoScan LIDE25	  LM9833 1200x2400dpi 48bit 512Kb 0x2220
       CanoScan LIDE30	  LM9833 1200x2400dpi 48bit 512Kb 0x220E

       Vendor Syscan - ID: 0x0A82
       USB Model:	  ASIC:	 Properties:		  Prod-ID
       Travelscan 662	  LM9833  600x1200dpi 48bit 512Kb 0x6620

       For parallelport device support see the plustek_pp backend.
       The  SCSI scanner OpticPro 19200S is a rebadged Artec AM12S scanner and
       is supported by the Artec backend.
       Only the National Semiconductor LM983[1/2/] based  devices  of  Plustek
       are supported by this backend. Older versions of the U12, the UT12, the
       U1212 and U1248 (GrandTech chipset) are not supported.

       Model		 Chipset    backend
       U1248		 GrandTech  gt68xx
       UT16B		 GrandTech  gt68xx
       OpticSlim 1200	 GrandTech  gt68xx
       OpticSlim 2400	 GrandTech  gt68xx
       U12		  P98003     u12
       UT12		  P98003     u12
       1212U		  P98003     u12
       For  a  more  complete  and  up	to  date  list	see:  http://www.sane-

       To use your scanner with this backend, you need at least two entries in
       the	 configuration	      file	  /system/resources/sane-back‐
	      [usb] vendor-id product-id
	      device /dev/usbscanner

       [usb]  tells the backend, that the following devicename (here /dev/usb‐
       scanner) has to be interpreted as USB scanner device.  If  vendor-  and
       product-id  has not been specified, the backend tries to detect this by
       its own. If device is set to auto then  the  next  matching  device  is
       The  following  options can be used for a default setup of your device.
       Most of them are also available through the frontend.

       The Options:

       option warmup t
	      t specifies the warmup period in seconds,	 if  set  to  -1,  the
	      automatic warmup function will be used

       option lampOff t
	      t	 is the time in seconds for switching off the lamps in standby

       option lOffonEnd b
	      b specifies the behaviour when closing the backend, 1 --> switch
	      lamps off, 0 --> do not change lamp status

       option mov m
	      m	 is  the  model	 override  switch.  It	works only with Mustek
	      BearPaw devices.
	      m/PID |	 0x1000	   |	0x1001
		0   | BearPaw 1200 | BearPaw 2400
		1   |  no function | BearPaw 1200

       option invertNegatives b
	      b 0 --> do not invert the picture during negativ	scans,	1  -->
	      invert picture

       option cacheCalData b
	      b	 0  --> do not save calibration results, 1 --> save results of
	      calibration in ~/.sane/ directory

       option altCalibration b
	      b 0 --> use standard calibration routines, 1 -->	use  alternate
	      calibration (only non Plustek devices, standard for CIS devices)

       option skipFine b
	      b	 0  -->	 perform fine calibration, 1 --> skip fine calibration
	      (only non Plustek devices)

       option skipFineWhite b
	      b 0 --> perform white fine calibration, 1 -->  skip  white  fine
	      calibration (only non Plustek devices)

       option skipCalibration b
	      b	 0  -->	 perform calibration, 1 --> skip calibration (only non
	      Plustek devices)

       option enableTPA b
	      b 0 --> default behaviour, specified by the internal  tables,  1
	      -->  override  internal  tables  and  allow TPA mode (EPSON/UMAX

       option posOffX x
       option posOffY y
       option tpaOffX x
       option tpaOffY y
       option negOffX x
       option negOffY y
	      x y By using this settings, the user can adjust the given	 image
	      positions.  Please note, that there's no internal range checking
	      for this feature.

       option posShadingY p
       option tpaShadingY p
       option negShadingY p
	      p overrides the internal shading position.  The  values  are  in
	      steps.  Please note, that there's no internal range checking for
	      this feature.

       option redGamma r
       option greenGamma g
       option blueGamma b
       option grayGamma gr
	      r g b gr
       By using these values, the internal linear gamma table (r,g,b,gr = 1.0)
       can be adjusted.

       option red_gain r
       option red_offset ro
       option green_gain g
       option green_offset go
       option blue_gain b
       option blue_offset bo
	      r g b ro go bo These values can be used to set the gain and off‐
	      set values of the AFE for each channel. The range is  between  0
	      and 63. -1 means autocalibration.

       See the plustek.conf file for examples.

       You  have  to make sure, that the USB subsystem is loaded correctly and
       you have access to the device-node. For more details see	 sane-usb  (5)
       manpage.	 You might use sane-find-scanner to check that you have access
       to your device.

       If there's no configuration file, the backend defaults to device auto

	      The backend configuration file

	      The static library implementing this backend.

	      The shared library implementing this backend (present on systems
	      that support dynamic loading).

	      This environment variable specifies the list of directories that
	      may contain the configuration file.  Under UNIX, the directories
	      are  separated  by a colon (`:'), under OS/2, they are separated
	      by a semi-colon (`;').  If this variable is not set, the config‐
	      uration  file is searched in two default directories: first, the
	      current	working	  directory   (".")   and   then   in	 /sys‐
	      tem/resources/sane-backends/1.0.18/etc/sane.d.   If the value of
	      the environment variable ends with the directory separator char‐
	      acter,  then  the	 default  directories  are  searched after the
	      explicitly  specified   directories.    For   example,   setting
	      SANE_CONFIG_DIR  to  "/tmp/config:"  would result in directories
	      "tmp/config",	".",	 and	 "/system/resources/sane-back‐
	      ends/1.0.18/etc/sane.d" being searched (in this order).

	      If  the  library	was  compiled with debug support enabled, this
	      environment variable controls the debug level for this  backend.
	      Higher debug levels increase the verbosity of the output.

	      Example: export SANE_DEBUG_PLUSTEK=10

       sane(7), sane-usb(5), sane-u12(5), sane-gt68xx(5),

       Please send any information and bug-reports to:
       SANE Mailing List

       Additional info and hints can be obtained from our
       Mailing-List archive at:

       or directly from the projects' homepage at:

       To obtain debug messages from the backend, please set the  environment-
       variable	 SANE_DEBUG_PLUSTEK before calling your favorite scan-frontend
       (i.e. xscanimage).
       i.e.: export SANE_DEBUG_PLUSTEK=20 ; xscanimage

       The value controls the verbosity of the backend. Please note, that val‐
       ues  greater  than 24 force the backend to output raw data files, which
       could be rather large. The ending of these files is ".raw".  For	 prob‐
       lem reports it should be enough the set the verbosity to 13.

       *  The  driver does not support these manic scalings up to 16 times the
       physical resolution. The only scaling is done  on  resolutions  between
       the  physical  resolution  of the CCD-/CIS-sensor and the stepper motor
       i.e. you have a 600x1200 dpi scanner and you are scanning using 800dpi,
       so  scaling  is	necessary, because the sensor only delivers 600dpi but
       the motor is capable to perform 1200dpi steps.

       * Plusteks' model policy is somewhat inconsistent.  They	 sell  techni‐
       cally  different	 devices  under the same product name. Therefore it is
       possible that some devices like the UT12 or U12	won't  work  -	please
       check  the  model list above and compare the product-id to the one your
       device has.

       * Negative/Slide scanning quality is poor.

sane-backends 1.0.18		 09 April 2006		       sane-plustek(5)

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