Am 13.08.2010 14:50, schrieb Vladimir Gajic: > Hello @all > > I'm trying to calibrate a canon ip6700d ink-jet printer using a > typical photorag paper. I created a 100 steps per channel cmy target > witch was printed on a uncalibrated & unprofiled printer. After > running printcal -v -i -p -a I get strange calibration curves as shown > in attachment. Applying the calibration curves causes my whitepoint to > become green... Why strange? The curves in your plot map CMY=[0,0,0] to [0,0,0], so [granted that your color space is CMY, as you said] these curves are not supposed to change the whitepoint, if you apply them correctly. Regards, Gerhard > Is there a way to correct this behaviour or am I doing it right with > printcal? If yes, I probably have to tweek some settings in the > printer driver... > > Kind regards > Vladimir >