> That's promising. Using Heidelbergs software or Argyll? Using HDM software (ColorTools v3.5). I am not aware that Argyll has similar capabilities. Roger > I've been using this method and Argyll tools for calibrating our > proofers (HP 5500 and Canon iPF9000S) before making device profiles > (colprof and refine). It works great. I however plan to make use of > this technique for our CtP and two Speedmasters when I get the > opportunity. > > Martin Weberg