Le Mardi 22 Novembre 2005 15:38, Nick Collingridge a ?crit?: > Summary of configuration: > > G5 Dual 2GHz, 2GB RAM > MacOSX 10.4.3 > Scanner ? Mustek A3 USB > LibUSB ? 0.1.11 > SANE Backends - 1.0.16 > > I have installed all the above items and made sure that there is a properly > configured (according to the instructions, including an override and a > vendor and model number) GT68xx.conf file in /usr/local/etc/ on my boot > drive. However I still can?t get the scanner to work. The symptoms are: > > Using sane-find-scanner in Terminal I get: > > found USB scanner (vendor=0x055f, product=0x0210 [USB Scanner], > chip=GT-6816) at libusb:009:004-055f-0210-00-00 > > Then if I try scanimage ?L I get a message starting ?No scanners were > identified...? > > Following this I have to power-cycle the scanner before it is recognised by > sane-find-scanner again. > > If I try scanimage ?L immediately after power-cycling the scanner, I get: > > device `gt68xx:libusb:009:004-055f-0210-00-00' is a Mustek ScanExpress > A3 USB flatbed scanner > > But irrespective of when I power-cycle, if I try scanimage > test.pnm, I > get: > > scanimage: no SANE devices found > > I am confused and don?t know where to go next. I think there is an issue > here with the scanner having to be power-cycled after every command (is > this a bug?), but even if I try and actually scan an image immediately > after power-cycling, it still doesn?t work. > > I am afraid that all the man pages and the FAQ for TWAIN SANE are not very > complete in their description of what needs to be done to get everything > working properly, and also don?t really help very well when things don?t > work. They just do not describe the combination of circumstances I am > experiencing. Also they are clearly written mainly for Linux users and much > does not directly transfer to MacOS X. > > The really frustrating thing is that when I installed SANE on a previous > MacOS X system it worked fine (within its limits!). I just can?t get it to > work again with the latest versions of all the s/w. > > Do I need to provide any further info, or can someone give me some pointers > on what I need to do to get things going beyond where I have got to? Aye!! It's amazing I got the same pb with an epson scanner (GT-7000) using Fedoracore 4. kernel 2.6.11. On a redhat 9.0 xsane works fine. Besides I observe that the driver=none in the file /proc/bus/usb/devices When I submit xsane every thing seems O.K. at the beginning but the program hangs and after a while I got this message: failure to start the scanner Error I/O on the peripherical
I saw today that an other guide Mike Brodbelt has about the same Pb with an espson scanner using a kernel 2.6.14 mine is 2.6.11 ??? xsane 0.95 xsane-0.89 works fine on a redhat 9.0 kernel 2.4.20. Pb could be related to libusb ??? Thanks Fran?ois
