The sane backend doesn't find it, but the ./geniusvp2_detect detect it when I've deleted the try_sequence(0xf9) line.
O sane backend não o encontra mas o ./geniusvp2_detect detecta quando comentei a linha try_sequence(0xf9)
marcial@alonewolf /tmp/geniusvp2_detect-0.1 $ ./geniusvp2_detect
geniusvp2_detect 0.1 (C) 2005 Anderson Lizardo
Trying known wake-up sequences:
Sequence = 0xa9...
2007-06-12 00:17:42 UTC in geniusvp2 SANE backend