[sane-devel] upgrade to 2.6.4; sane-find-scanner: yes, scanimage: no

[Adam]

Hi All,

I've read the FAQ, man pages, README.linux, and list archives, but I'm
still stumped.

I've got an Epson Perfection 1640.  It worked beautifully under Linux
2.4.  I've now running Linux 2.6.4 on Debian using the "unstable" sane
packages.  sane-find-scanner finds my scanner, but scanimage does not. 
It's not a permissions problem because I'm doing this all as root.  I
have commented out every driver listed in /etc/sane.d/dll.conf except
the "epson" driver.

        # sane-find-scanner
        found USB scanner (vendor=0x04b8 [EPSON], product=0x010a [Perfection1640]) at libusb:003:003
          # Your USB scanner was (probably) detected. It may or may not be supported by
          # SANE. Try scanimage -L and read the backend's manpage.
        
and scanimage:
        
        # SANE_DEBUG_SANEI_USB=255 scanimage -L
        [sanei_debug] Setting debug level of sanei_usb to 255.
        [sanei_usb] sanei_usb_init: couldn't open /dev/usb/scanner0: No such device
        usb_set_debug: Setting debugging level to 255 (on)
        usb_os_find_busses: Found 004
        usb_os_find_busses: Found 003
        usb_os_find_busses: Found 002
        usb_os_find_busses: Found 001
        usb_os_find_busses: Skipping non bus directory devices
        usb_os_find_devices: Found 001 on 004
        usb_os_find_devices: Found 003 on 003
        usb_os_find_devices: Found 001 on 003
        usb_os_find_devices: Found 001 on 002
        usb_os_find_devices: Found 001 on 001
        [sanei_usb] sanei_usb_init: device 0x0000/0x0000 looks like a root hub
        [sanei_usb] sanei_usb_init: found libusb device (0x04b8/0x010a) interface 0  at libusb:003:003
        [sanei_usb] sanei_usb_init: device 0x0000/0x0000 looks like a root hub
        [sanei_usb] sanei_usb_init: device 0x0000/0x0000 looks like a root hub
        [sanei_usb] sanei_usb_init: device 0x0000/0x0000 looks like a root hub
        [sanei_usb] sanei_usb_init: found 1 devices
         
        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).

The scanner is listed in /etc/hotplug/usb/libsane.usermap:

        # grep -A 1 1640SU /etc/hotplug/usb/libsane.usermap                                                                                
        # Epson Corp.|Perfection 1640SU / 1640SU Photo
        libusbscanner             0x0003      0x04b8   0x010a    0x0000       0x0000    0x00         0x00            0x00            0x00            0x00    0x00               0x00000000

What should I do next?

Thanks,
Adam