I did need the chart recognition file even though I also used my ColorMunki. I tried to profile my camera with a home-printed test chart. Here is what I did: https://skydrive.live.com/redir?resid=427C4D1A2E67EAEF!1409&authkey=!AP8ly8GV-OnsGPM (camera_caltest.7z ~ 37Mb with the tiff files) colprof reported high peak and average errors but the simulation doesn't look catastrophic. But it does if I try to create Lab or XYZ cLUT profile for the camera instead of a simple matrix with linear gamma. 2013/10/2 Graeme Gill <graeme@xxxxxxxxxxxxx> > If you have a CM instrument, then you don't need scan recognition. >