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) back-
end that provides access to some TECO SCSI flatbed scanners. This back-
end 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 AUTHOR) 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 im-
age.
--resolution 1..600
Selects the resolution for a scan. The scanner can do all resolu-
tions 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 following con-
vert(1) command from imagemagick:
convert -geometry (dpi/max_xdpi * 100%)x100%
max_xdpi is for the vm3575 constant with 300 dpi e.g. 600dpi ad-
just 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 maxi-
mum 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 de-
fault.
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 en-
vironment 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)
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