Message
Re: Help with RIP
2017-05-11 by ctb@...
Color inks behave very irregular along the UV spectrum. To get an idea: http://polychrome.nl/techlog/density-range-epson-ultrachrome-inks QTR calibration samples printed by me and measured with a lab photospectrometer by Ian Parker.
It can be seen that the C curve, like other colored inks, has very steep slopes around the 360-380nm region. So all depends on the wavelength of your light source and the process peak sensitivity how each color will behave. Cyan can absolutely be second best blocker after black at certain wavelengths.
The graph also shows that the linearity of the K family rules! In my workflow I am using a partioned K/LK/LLK with aditional toner(s), mostly Y but also CY.
Kees