Thanks for the report. I've been unable to correct the calibration issues on these scanners in the past, as all the calibration code is reverse engineered. It would be helpful if someone else could pick it up and try to improve it.
allan On Thu, Mar 19, 2020 at 10:58 AM Tony <kang...@163.com> wrote: > > Hi all, I tried to test Canon P215II, backend version: 1.0.29. > > ./scanimage --format=png > test.png > > test.png is gray; > > ./scanimage --format=png --mode=Color > test.png > > test.png is color, but seems brightness high. The image looks like adjust > > brightness to max effect on Windows OS; > > ./scanimage --format=png --mode=Color --brightness=-100 > test.png > > test.png always like that, Maybe brightness option has no effect for now. > > And scan speed is slow. > > that's all. if you need more, just email me. I'll try to be the best tester. > :P > > kangear -- "well, I stand up next to a mountain- and I chop it down with the edge of my hand"
