Congrats. You've hit the NCR bugs. Reportedly this is being worked
on. Rewriting the driver is the only final fix for this but reportedly
Mycroft has been sent an ncr controller to look at it.

Perry

Matthias Drochner writes:
> 3. The "real" read command produces the following error message:
> 
> uk0(ncr0:3:0): COMMAND FAILED (6 ff) @f8735400.
> ncr0:3: ERROR (80:140) (8-29-0) (0/13) @ (544:900b0000).
>         script cmd = 910a0000
>         reg:     da 10 80 13 47 00 03 1f 01 08 03 29 80 00 0a 00.
> ncr0: handshake timeout
> ncr0: restart (scsi reset).
> uk0(ncr0:3:0): COMMAND FAILED (6 ff) @f8735400.
> 
> The scanner begins its work just after this read call. This means,
> it cannot deliver data before a couple of seconds passed.
> Who can help on this?
> 
> best regards
> Matthias
> 
>