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RedHat 9 (Linux i386) - man page for sane-mustek_usb (redhat section 5)

sane-mustek(5)					 File Formats Manual				       sane-mustek(5)

sane-mustek_usb - SANE backend for Mustek USB flatbed scanners
The sane-mustek_usb library implements a SANE (Scanner Access Now Easy) backend that provides access to Mustek (and some relabeled Trust) USB flatbed scanners. At present, the following scanners are known to work more or less with this backend: Mustek 600 CU Mustek 1200 UB Mustek 1200 CU Mustek 1200 CU Plus Trust Compact Scan USB 19200 More details can be found on the Mustek backend homepage http://www.meier-geinitz.de/sane/. The Mustek BearPaw 1200 and 2400 scanners are supported by the plustek backend. See sane-plustek(5) for details. This backend is based on the 1200ub backend provided by Mustek. It was modified to fit into the SANE distribu- tion, some bugs were fixed, support for the 600 CU was added, and some features added. This is BETA software. It currently only works on Linux and FreeBSD. Other systems are untested. See BUGS for more information. This backend can only work with scanners that are already detected by the operating system. For Linux, it may be necessary to load the scanner module with additional vendor/product parameters /see /usr/src/linux/Documen- tation/usb/scanner.txt for details). With FreeBSD upto 4.4 only the 1200 CU will work out-of-the box. For other scanners, their ids must be added to the FreeBSD uscanner.c file and a new kernel must be compiled. If you own a Mustek (or Trust) scanner other than the ones listed above that works with this backend, please let me know this by sending the scanner's exact model name and the USB vendor and device ids (e.g. from /proc/bus/usb/devices or syslog) to me.
This backend expects device names of the form: special Where special is a path-name for the special device that corresponds to a USB scanner. With Linux, such a device name could be /dev/usb/scanner0 or /dev/usbscanner1, for example. For FreeBSD use /dev/uscanner0.
The contents of the mustek_usb.conf file is a list of options and device names that correspond to Mustek USB scanners. Empty lines and lines starting with a hash mark (#) are ignored. If a device name is placed in mustek_usb.conf, it must be followed by a line containing the keyword option and an option specifying the scanner type. The following options can be used: 600cu, 1200cu, 1200cu_plus, 1200ub. For the Trust Compact Scan USB 19200 use `option 1200ub'. Instead of using the device name, the scanner can be autodetected by usb vendor_id product_id statements which are already included into mustek_usb.conf. This is only supported with Linux 2.4.8 and higher. "vendor_id" and "product_id" are hexadecimal numbers that identfy the scanner. If this doesn't work, a device name and the option specifying the scanner type must be placed in mustek_usb.conf. The global option max_block_size can be used to limit the amount of data acquired in one turn from the USB system. It may be woth trying, if USB errors occur. A sample configuration file is shown below: # Comment option max_block_size 1024 usb 0x055f 0x0001 /dev/usb/scanner0 option 600cu The first line is ignored. The second line sets the buffer size to a maximum of 1024 bytes. The third line tries to autodetect a scanner with vendor id 0x055f and product id 0x0001 (Mustek 1200 CU). The fourth line tells the backend to attach to /dev/usb/scanner0 and the fifth line specifies that /dev/usb/scanner0 is a Mustek 600 CU.
/etc/sane.d/mustek_usb.conf The backend configuration file (see also description of SANE_CONFIG_DIR below). /usr/lib/sane/libsane-mustek_usb.a The static library implementing this backend. /usr/lib/sane/libsane-mustek_usb.so The shared library implementing this backend (present on systems that support dynamic loading).
SANE_CONFIG_DIR 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 configuration file is searched in two default directo- ries: first, the current working directory (".") and then in /etc/sane.d. If the value of the environ- ment variable ends with the directory separator character, 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 "/etc/sane.d" being searched (in this order). SANE_DEBUG_MUSTEK_USB 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. Value Descsription 0 no output 1 print fatal errors 2 print important messages 3 print non-fatal errors and less important messages 4 print all but debugging messages 5 print high level debugging messages 6 print medium level debugging messages 7 print low level debugging messages Example: export SANE_DEBUG_MUSTEK_USB=4
sane(7), sane-usb(5), sane-mustek(5), sane-mustek_pp(5), sane-plustek(5) /usr/share/doc/sane-backends-1.0.9/mustek_usb/mustek_usb.CHANGES, /usr/share/doc/sane-back- ends-1.0.9/mustek_usb/mustek_usb.TODO
Tom Wang (Mustek, original 1200ub backend), Henning Meier-Geinitz <henning@meier-geinitz.de>
This is BETA software. That means that it may contain bugs. FreeBSD support is shaky. Most of the time, scanning will work only in the first xscanimage/xsane session. After closing the frontend, the scanner will freeze. The reason is unknown until now. More detailed bug information is available at the Mustek backend homepage http://www.meier-geinitz.de/sane/. See also the CHANGES and TODO files. Please contact me if you find a bug or missing feature: <henning@meier- geinitz.de> 12 Jan 2002 sane-mustek(5)

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