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 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 or through GUI elements in
xscanimage, xsane, quiteinsane or kooka.
If you have any success with a scanner not listed here, or if you have
any strange behavior, please report to the backend maintainer or to the
SANE mailing list.
Valid command line options and their syntax can be listed by using
scanimage --help -d teco2
Scan Mode
--mode selects the basic mode of operation of the scanner valid choices
are Lineart , Gray and Color 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
Lineart and Gray selects the resolution for a scan. The scanner
can do all resolutions between 1 and 600, in increments of 1.
Color selects the resolution for a scan. The scanner can do only
the resolutions listed.
All values with ydpi > 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 imagemagick command: 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%
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).
--red-gamma-table
(color mode only) can be used to download a user defined gamma
table for the red channel. The table must be 256 bytes long.
--green-gamma-table
(color mode only) can be used to download a user defined gamma
table for the green channel. The table must be 256 bytes long.
--blue-gamma-table
(color mode only) can be used to download a user defined gamma
table for the blue channel. The table must be 256 bytes long.
--white-level-r
(VM3564, VM356A, VM3575 and VM6575 only) 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
(VM3564, VM356A, VM3575 and VM6575 only) Selects what green
radiance level should be considered "white", when scanning some
sheets by changing the calibration i value loaded into the
scanner. Scale 0..64 in steps of 1.
--white-level-b
(VM3564, VM356A, VM3575 and VM6575 only) 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.
--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".
CONFIGURATION FILE
The configuration file /etc/sane.d/teco2.conf supports only one information: the device name to use (eg /dev/scanner).
FILES
/usr/lib/arch_triplet/sane/libsane-teco2.a
The static library implementing this backend.
/usr/lib/arch_triplet/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-scsi(5), scanimage(1), xscanimage(1), xsane(1), sane(7)
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)
Opportunity
Personal Opportunity - Free software gives you access to billions of dollars of software at no cost. Use this software for your business, personal use or to develop a profitable skill. Access to source code provides access to a level of capabilities/information that companies protect though copyrights. Open source is a core component of the Internet and it is available to you. Leverage the billions of dollars in resources and capabilities to build a career, establish a business or change the world. The potential is endless for those who understand the opportunity.
Business Opportunity - Goldman Sachs, IBM and countless large corporations are leveraging open source to reduce costs, develop products and increase their bottom lines. Learn what these companies know about open source and how open source can give you the advantage.
Free Software
Free Software provides computer programs and capabilities at no cost but more importantly, it provides the freedom to run, edit, contribute to, and share the software. The importance of free software is a matter of access, not price. Software at no cost is a benefit but ownership rights to the software and source code is far more significant.
Free Office Software - The Libre Office suite provides top desktop productivity tools for free. This includes, a word processor, spreadsheet, presentation engine, drawing and flowcharting, database and math applications. Libre Office is available for Linux or Windows.
Free Books
The Free Books Library is a collection of thousands of the most popular public domain books in an online readable format. The collection includes great classical literature and more recent works where the U.S. copyright has expired. These books are yours to read and use without restrictions.
Source Code - Want to change a program or know how it works? Open Source provides the source code for its programs so that anyone can use, modify or learn how to write those programs themselves. Visit the GNU source code repositories to download the source.
Education
Study at Harvard, Stanford or MIT - Open edX provides free online courses from Harvard, MIT, Columbia, UC Berkeley and other top Universities. Hundreds of courses for almost all major subjects and course levels. Open edx also offers some paid courses and selected certifications.
Linux Manual Pages - A man or manual page is a form of software documentation found on Linux/Unix operating systems. Topics covered include computer programs (including library and system calls), formal standards and conventions, and even abstract concepts.
