1. ~# scanimage -L
  2. scanimage: hp-option.c:3714: hp_optset_fix_geometry_options: Assertion `tl_x && tl_y && br_x && br_y' failed.
  3. Aborted

Bug in Beowulf using sane-utils [ armel ]

After editing '/etc/sane.d/hp.conf'

To add my scanner:

# HP Deskjet F4200 series

usb 0x03f0 0x2504