The sane-mustek_usb library implements a SANE (Scanner Access Now Easy)
backend that provides access to Mustek USB flatbed scanners (including
a clone from Trust). 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 USB backend homepage
The Mustek BearPaw 1200 and 2400 scanners are supported by the plustek
backend. See sane-plustek(5) for details. The Mustek BearPaw 1200F is
supported by the MA-1509 backend. See sane-ma1509(5) for details. Other
Mustek USB scanners are supported by the gt68xx backend, see
This backend can only work with scanners that are already detected by
the operating system. See sane-usb(5) for details.
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:
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/scan-
ner0 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
option max_block_size 1024
usb 0x055f 0x0001
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.
The backend configuration file (see also description of
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 /etc/sane.d. If the
value of the environment variable ends with the directory sepa-
rator 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
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.
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
Henning Meier-Geinitz <firstname.lastname@example.org>
This backend is based on the Mustek 1200ub backend from Mustek, main-
tained by Tom Wang.
These devices have a hardware bug: Once data is written to them, they
can't be reset (toggle = DATA0). That means, any operation that tries
to reset the device will result in running into timeouts.
In earlier versions this backend failed when it was loaded the second
time in some configurations. The only choice was to replug the scanner
in this case. The backend uses a workaround for that bug now but it's
only tested on Linux. Reports for other operating systems are appreci-
More detailed bug information is available at the Mustek backend home-
13 Jul 2008 sane-mustek_usb(5)
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