Hi!

Am 17.11.2006 02:01 schrieb Xihong Yin:

> dmesg recognizes the scanner correctly. The output of dmesg is
>
> -------------------------------------------------
> uscanner0 at uhub0 port 1
> uscanner0: Canon CanoScan, rev 1.10/1.00, addr 2
> ---------------------------------------------------

Well, the uscanner(4) man page says:

> BUGS
>      This driver should not really exist.  The scanners it recognizes 
> can be
>      accessed through the ugen(4) driver instead.  A proper scanner 
> driver
>      would provide a uniform interface to scanners instead of exposing 
> the
>      innards of the scanner.  The reason the driver exists is to have 
> some-
>      thing that is compatible with the Linux driver.

Furthermore, your model is not one of the few supported by uscanner(4). 
Maybe you should try a kernel where uscanner(4) is disabled.

Cheers,
   Christoph