Am 29.01.2011 12:08, schrieb Gerhard Fuernkranz: > Am 29.01.2011 11:29, schrieb Klaus Karcher: > >> I'm not quite sure what you are after. If it's just the profile you >> want to test, I'd skip the printing and measurement part and just >> complete ther "round trip" with another xicclu call. Otherwise you >> bring additional unknowns into play (printer repeatability, >> measurement uncertainty) >> > Klaus, well, even if the round trip numbers are very good, the profile > may still not fit with the actual device behavior. Eventually only the > printed result counts, IMO. But of course, even the printed result can > only be measured with some uncertainty, and one must blame the profile > should read "... must not..." of course > and/or printer for those parts of the errors which are actually > measurement errors. > > And separating the (random) repeatability errors of the printer and the > bias introduced by the profile (i.e. the unability of the profile to > model the "average behaviour" of the printer) is not easy either. > > Regards, > Gerhard > >