Your logs does not show communication of driver with the device. If you able to change that, do not even touch sane-find-scanner, concentrate on scanimage -L.
-abc On Thu, May 31, 2012 at 05:23:19PM +0200, Rogan Dawes wrote: > scanimage -L, however, fails to identify this device: > > root at gw:/# SANE_DEBUG_XEROX_MFP=128 SANE_DEBUG_SANEI_USB=4 scanimage -L > [sanei_debug] Setting debug level of xerox_mfp to 128. > [xerox_mfp] sane_init: Xerox backend (build 12), version != null, > authorize != null > [sanei_debug] Setting debug level of sanei_usb to 4. > [sanei_usb] sanei_usb_init: marking existing devices > [sanei_usb] sanei_usb_init: Looking for kernel scanner devices > [sanei_usb] sanei_usb_init: Looking for libusb devices > [sanei_usb] sanei_usb_init: found libusb device (0x067b/0x2303) > interface 0 at libusb:001:007 > [sanei_usb] store_device: add dn 0 with libusb:001:007 > [sanei_usb] sanei_usb_init: found libusb device (0x04e8/0x342e) > interface 0 at libusb:001:006 > [sanei_usb] store_device: add dn 1 with libusb:001:006 > [xerox_mfp] sane_xerox_mfp_get_devices: 0x7fcb5f60, 0 > [sanei_usb] sanei_usb_find_devices: vendor=0x04e8, product=0x342e > [xerox_mfp] list_one_device: libusb:001:006 > > 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). > root at gw:/#