[sane-devel] Problem with setting Fujitsu fi-4120c to Grayscale

[Henning Meier-Geinitz]

Hi,

On Thu, Apr 24, 2003 at 06:07:53PM -0500, Peter Chen wrote:
> I tried scanimage with --mode=gray, and it worked fine. But I could not do
> it with --duplex=both. It said:
> scanimage: sane_start: invalid argument. scanadf did not work either.

Does scanimage --help show the duplex option? Does it list it as
"inactive"? Maybe the backend hasn't detected the duplex availability?

Bye,
  Henning