gscan2pdf - A GUI to produce a multipage PDF or DjVu from a scan.
http://gscan2pdf.sourceforge.net/
Five clicks are required to scan several pages and then save all or
a selection as a PDF or DjVu file, including metadata if required.
gscan2pdf can control regular or sheet-fed (ADF) scanners wit
The .conf file is not the backend, it is just configuration. The real
code is a compiled library, usually installed somewhere in /usr/lib...
The sane standard does not require that backends expose button options
to the frontend. So, the kvs_i1200 backend can be sane compliant, but
not support scan
