sane-genesys(5) on Linux
The text c8fe798e2441, as Debian 9 (Stretch) shipped it.
SANE backend for GL646, GL841, GL843, GL847 and GL124 based USB flatbed scanners
Flags it lists
-
--brightness -
--calibration-file -
--clear-calibration -
--color-filter -
--contrast -
--despeck -
--disable-dynamic-lineart -
--disable-interpolation -
--expiration-time -
--lamp-off-scan -
--lamp-off-time -
--swcrop -
--swdeskew -
--swdespeck -
--threshold