[sane-devel] DUPLEX Scan

[m. allan noah]

There is no standard for this. Some backends implement a 'duplex'
boolean. Other backends implement a 'source' option, with choices like
'ADF Front', 'ADF Back', 'ADF Duplex', 'Flatbed'.

I prefer the latter, but I don't think that it matters very much.

allan

On Sat, Mar 2, 2019 at 1:35 AM sunjing at newbeiyang.com
<sunjing at newbeiyang.com> wrote:
>
> Hello:
>     can someone tell me which option is set for duplex scan?
>     I need to implement in my  Scanner sane driver.
>     Thanks very much!
>
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