sane-teco2

sane-teco2(5) SANE Scanner Access Now Easy sane-teco2(5)

NAME

   sane-teco2 - SANE backend for TECO / RELISYS scanners

DESCRIPTION

   The  sane-teco2  library  implements  a  SANE (Scanner Access Now Easy) backend that provides access to some TECO SCSI flatbed scanners. This backend should be considered beta-quality
   software! TECO scanners are sold under various brands like Mustek, Relisys, Piotech, Primax, TRUST.  This backend may or may not support yours.

   The scanners that should work with this backend are:

             Vendor Model               TECO model      status
          --------------------------- --------------  -----------
            Mustek ScanMagic 4830S      VM3575         untested
            Primax Jewel 4800           VM356A         good
            Primax Profi 9600           VM6575         basic
            Primax Profi 19200          VM6586         good
            Relisys APOLLO Express 3    VM356A         basic
            Relisys APOLLO Express 6    VM6565         good
            Relisys APOLLO Express 12   ?              untested
            Relisys AVEC II S3          VM3564         good
            Relisys AVEC Super 3        VM3575         basic
            Relisys SCORPIO Pro         VM6575         good
            Relisys SCORPIO Pro-S       VM6586         untested
            Relisys SCORPIO Super 3     VM3575         good

   For all these scanners, lineart and gray mode work well. However, most of them do not support more than a handful of resolutions in color mode. See the backend home  page  (under  AU
   THOR) for the exact status of each scanner.

   Note that the untested scanner will not be directly supported. You should contact the author for that.

   The TECO VM number can usually be found at the back of the scanner. It is also part of the FCC ID.

   The  options  the backend supports can either be selected through command line options to programs like scanimage(1) or through GUI elements in xscanimage(1), xsane(1), quiteinsane(1)
   or kooka(1).

   If you have any success with a scanner not listed here, or if you notice any strange behavior, please report to the backend maintainer or to the SANE mailing list.

OPTIONS

   Valid command line options and their syntax can be listed by using:

          scanimage --help -d teco2

   Scan Mode

   --mode Lineart|Gray|Color
          selects the basic mode of operation of the scanner.  The Lineart mode is black and white only (1 bit).  Gray mode will produce 256 levels of gray (8 bits).  Color will  produce
          a 24 bits color image.

   --resolution 1..600
          Selects  the  resolution for a scan. The scanner can do all resolutions between 1 and 600, in increments of 1, for Lineart and Gray.  For Color, a restricted set of resolutions
          are available.

          Note: All values with vertical resolution in dpi > 300 (300 x 600) or 600 (600 x 1200) result in a wrong proportion for the scan. The proportion can be adjusted with  the  fol
          lowing convert(1) command from imagemagick:
          convert -geometry (dpi/max_xdpi * 100%)x100%
          max_xdpi is for the vm3575 constant with 300 dpi e.g. 600dpi adjust with: convert -geometry 200%x100%

   --preview
          requests  a preview scan. The resolution used for that scan is 50  dpi (for VM356A and VM6575 75 dpi) and the scan area is the maximum allowed.  The scan mode is user selected.
          The default is "no".

   Geometry options

   -l, -t, -x,  -y
          Control the scan area: -l sets the top left x coordinate, -t the top left y coordinate, -x selects the width and -y the height of the scan area. All parameters are specified in
          millimeters by default.

   Enhancement options

   --custom-gamma (no custom gamma option for the VM3564 and VM356A)
          (color mode only) allows the user to specify a gamma table (see the next 3 parameters).

OPTIONS FOR COLOR MODE

   These options are valid for scan mode Color only.

   --red-gamma-table
          Can be used to download a user defined gamma table for the red channel. The table must be 256 bytes long.

   --green-gamma-table
          Can be used to download a user defined gamma table for the green channel. The table must be 256 bytes long.

   --blue-gamma-table
          Can be used to download a user defined gamma table for the blue channel. The table must be 256 bytes long.

OPTIONS ONLY FOR VM3564, VM356A, VM3575 and VM6575

   These options are only available for VM3564, VM356A, VM3575 and VM6575 models.

   --white-level-r 0..64
          Selects what red radiance level should be considered "white", when scanning some sheets by changing the calibration value loaded into the scanner. Scale 0..64 in steps of 1.

   --white-level-g 0..64
          Selects what green radiance level should be considered "white", when scanning some sheets by changing the calibration value loaded into the scanner. Scale 0..64 in steps of 1.

   --white-level-b 0..64
          Selects what blue radiance level should be considered "white", when scanning some sheets by changing the calibration value loaded into the scanner. Scale 0..64 in steps of 1.

CONFIGURATION FILE

   The configuration file /etc/sane.d/teco2.conf supports only one item: the device name to use (eg /dev/scanner).

FILES

   /usr/lib/x86_64-linux-gnu/sane/libsane-teco2.a
          The static library implementing this backend.

   /usr/lib/x86_64-linux-gnu/sane/libsane-teco2.so
          The shared library implementing this backend (present on systems that support dynamic loading).

ENVIRONMENT

   SANE_DEBUG_TECO2
          If the library was compiled with debug support enabled, this environment variable controls the debug level for this backend. E.g., a value of 128 requests all debug  output  to
          be printed. Smaller levels reduce verbosity.

   SANE_TECO2_CAL_ALGO
          Either  0  or  1.  Selects  the  algorithm  for the calibration. A value of 1 seems to give better scans on the VM356A, VM3575.  Feedback on it is welcome.  For VM3564, VM356A,
          VM3575, VM6575 default 1.  For other supported types default 0.

LIMITATIONS

   The windows TWAIN driver has many more options than this SANE backend. However they are only software adjustments. This backend only implements what the scanner can support.

BUGS

   Plenty. Parts of this backend are still under development.

SEE ALSO

   sane(7), sane-scsi(5), scanimage(1), xscanimage(1), xsane(1)

AUTHORS

   Frank Zago
          http://www.zago.net/sane/#teco2

   The package is actively maintained by Gerard Klaver.
          http://gkall.hobby.nl/teco2.html

CREDITS

   Thanks to:

   Gerard Klaver for his relentless VM3575 testings and contributed a patch to support the VM3564 and VM356A.

   Mark Plowman for providing the first SCSI traces from a VM3575.

   Andreas Klaedtke for providing the first SCSI traces from a VM6586 and for his testing, and to Stefan von Dombrowski for his testing.

   Nicolas Peyresaubes for providing the first SCSI traces from a VM656A and for his testing.

   Dave Parker for testing the support for the VM6575.

   Michael Hoeller for testing the support for the VM356A.

   Christoph Hoeffner for testing the support for the VM3564 (Relisys AVEC II S3 firmware 1.09).

                                                                                      14 Jul 2008                                                                            sane-teco2(5)