Le Mon, 25 Jan 2010 09:25:20 -0500,
m. allan noah kitno455 at gmail.com a ?crit :
On Sun, Jan 24, 2010 at 11:34 PM, Scot sane at mailcan.com wrote:
by m. allan noah-3 Jan 18, 2010; 08:52pm
On Sat, Jan 16, 2010 at 2:57 PM, scar scar at ... wrote:
since i require an inexpensive A3 scanner, i plan on purchasing
one of these soon, i have not found any other options. ?Mustek
appears to have a linux driver on their Taiwanese website,
although i read reports here of it not working. ?if all else
fails i will attempt to install Windows XP in a virtual machine
and use the scanner through there, which was also a possible
solution i read on this list.
naturally i would want to help develop a working sane driver. ?i
do not program but i have a degree in computer engineering so my
background should be adequate enough to provide some help, given
there is someone to provide me with suitable advice on how
precisely to help.
Sure- If you get one of these, we would need you to get a trace of
the windows driver making a small black and white scan, using this
tool:
http://www.pcausa.com/Utilities/UsbSnoop/
That should give us enough info to at least tell if the protocol is
similar to other scanners.
allan
The requested snoop output is bundled together with the
corresponding small black and white image and posted at:
?http://www.drivehq.com/file/df.aspx/publish/mustekscanner/
?PublicFolder/mustek-a3-1200-pro.zip
Please let me know what else I can do to help!
Well, it does alot of small control transfers, probably setting up
registers. I'm not well-versed in such machines. Perhaps someone else
will recognize it, or have time to compare to the existing mustek
backends.
allan
Hi, I did not investigate much, but it really looks like sq113 ship. In
my opinion, you should try the mustek_usb2 backend.
Regards
Tam
Thanks guys for taking a look, I really appreciate it.
Tam, it looks like you were right about the chip:
$ sudo sane-find-scanner
found USB scanner (vendor=0x055f [Hewlett-Packard.], product=0x040b
[USB2.0 Scanner], chip=SQ113) at libusb:001:013
$ export SANE_DEBUG_MUSTEK_USB2=255;scanimage -L
[sanei_debug] Setting debug level of mustek_usb2 to 255.
[mustek_usb2] sane_init: start
[mustek_usb2] SANE Mustek USB2 backend version 1.0 build 10 from sane-backends
1.0.20
[mustek_usb2] sane_init: authorize != null
[mustek_usb2] sane_init: exit
[mustek_usb2] sane_get_devices: start: local_only = false
[mustek_usb2] GetDeviceStatus: start
[mustek_usb2] Asic_Open: Enter
[mustek_usb2] Asic_Open: no scanner found
[mustek_usb2] MustScanner_GetScannerState: Asic_Open return error
[mustek_usb2] sane_get_devices: exit
No scanners were identified. If you were expecting something different,
check that the scanner is plugged in, turned on and detected by the
sane-find-scanner tool (if appropriate). Please read the documentation
which came with this software (README, FAQ, manpages).
[mustek_usb2] sane_exit: start
[mustek_usb2] sane_exit: exit
Searching for [mustek_usb2] Asic_Open: no scanner found leads to some posts
on the list in November 2008 titled Can't seem to find config files. It seems
like there is no .conf file for the mustek_usb2 backend because it only
supports one scanner. So the author went into the source code and tweaked the
usb identifier data for his (slightly different) scanner, achieved partial
success, and then disappeared.
The mustek_usb2 driver supports the BearPaw 2448TA Pro scanner, with specs
listed here:
http://en.kioskea.net/guide/details/170414-mustek-bearpaw-2448ta-pro
The ScanExpress A3 USB 1200 PRO scanner has a horizontal optical resolution
is 1200dpi instead of 2400, and a page size of A3 instead of A4. I'd feel
uncomfortable doing much experimentation with recompiling the sources, out of
concern for damaging the scanner, which I need to use for a project.
Would any of you guys be interested in getting this scanner to work with SANE?
I'd be willing to contribute one of these right away... not that you need yet
another one :-)
Scot
