As Henning already suggested, try it as root user. Chances are that=20 your hotplug system is not setting the permissions on the device file=20 correctly.
Also, make sure that you have this line in your epson.conf file: usb Make sure that you only have one Sane installation on your system. On Dec 29, 2004, at 10:11 AM, r k wrote: > My problem is that sane-find-scanner finds my scanner, > > but scanimage -L doesn't. > I also don't get a clue where to look for solving this > problem. > I already read all kinds of manpages and > documentation, > and googled for hours on this problem. > > Curious is that with linux 2.4.28 and module scanner > everything works > just fine. But it is impractical to run mostly linux > 2.6 and only for scanning > linux 2.4. > > A bad sign is that with the knoppix cd the scanner > also only works > on linux 2.4, not linux 2.6, which is called > 'experimental' there. > > Other usb devices work normally, e.g., the usb memory > stick within a digital > still camera. > > I tried to read some sane source code, but it seems > impossible to find out > how and where scanimage tries to open devices. Sane > doesn't look that simple. > Curious is that I couldn't get any debug output from > scanimage, > as shown below. > > I would be very greatful for any hints on this > problem. > > Greetings, Roland > > NB: here are some details of my setup. > > Linux 2.6.9 > Debian sarge > sane 1.0.13, libsane/libsane-dev/sane-utils 1.0.15 > usb 1 without ehci_hcd, with module uhci_hcd, usbcore > > export SANE_DEBUG_DLL=3D255 > export SANE_DEBUG_EPSON=3D255 > export SANE_DEBUG_SANEI_USB=3D10 > sane-find-scanner > --> > stdout: found USB scanner (vendor=3D0x04b8, > product=3D0x011b) at libusb:002:002 > stderr: > [sanei_usb] sanei_usb_init: couldn't open > /dev/usbscanner: No such device > [sanei_usb] sanei_usb_init: couldn't open > /dev/usb/scanner0: No such device > ... > [sanei_usb] sanei_usb_init: couldn't open > /dev/usb/scanner15: No such device > ... > [sanei_usb] sanei_usb_init: found libusb device > (0x04b8/0x011b) interface 0 at libusb:002:002 > [sanei_usb] sanei_usb_init: found 1 devices > [sanei_usb] sanei_usb_open: trying to open device > `/dev/usb/scanner' > [sanei_usb] sanei_usb_open: can't find device > `/dev/usb/scanner' in list > idem for /dev/usb/scanner0..15 > USB error: error sending control message: Operation > not permitted > (this error was printed 8 times) > > scanimage -L > --> No scanners were identified. > (no debug output) > > > > =09 > __________________________________ > Do you Yahoo!? > All your favorites on one personal page =96 Try My Yahoo! > http://my.yahoo.com > > --=20 > sane-devel mailing list: [email protected] > http://lists.alioth.debian.org/mailman/listinfo/sane-devel > Unsubscribe: Send mail with subject "unsubscribe your_password" > to [email protected]
