Looks this time, your scanner is locked by some other application. Maybe you should try to unplug/replug it ?
[pixma] scanner discovery finished... [pixma] pixma_open(): Canon imageClass MF6500 [sanei_usb] sanei_usb_open: trying to open device `libusb:005:002-04a9-2686-00-00' usb_os_open: 04a9:2686 usb_os_open(USBDeviceOpenSeize): another process has device opened for exclusive access usb_set_configuration: called for config 1 USB error: usb_set_configuration(SetConfiguration): device not opened for exclusive access [sanei_usb] sanei_usb_open: libusb complained: usb_set_configuration(SetConfiguration): device not opened for exclusive access usb_os_close: 04a9:2686 [pixma] pixma_connect() failed EINVAL [pixma] pixma_open() failed EINVAL [pixma] pixma_close(): Canon imageClass MF6500 scanimage: open of device pixma:04A92686 failed: Invalid argument 2010/6/15 <twain43 at hotmail.com> > > And here's the log with the patched and recompiled version. > This time, something different sprouted out: pixma arguments! > Hope this helps. > > Twain28 -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.alioth.debian.org/pipermail/sane-devel/attachments/20100615/b9bab8c3/attachment-0001.htm>