I'm carbon printing, and PiezoDN is not set yet for carbon.
I red so much about clogs and had my share, I'm very afraid of pigment inks. ITCL gives me the densities I need... Actually, a 50% dilution does.
And peace of mind... in this regard.
I understand the different shades, partitions, curves overlapping, etc... to print positives. Piezography is great.
When it comes to negatives, difficulties start where only the darkest shades are used anyway (no grain or lines in the 20%-100% of my carbon prints).
Let's takes the 5% patch of a step tablet. 95% in the negative. How many inks is PiezoDN using here and what shades? Why couldn't the entire negative be printed with those inks?
Unless you want a printer that allows regular Piezography too, I don't see the point of using light shades, fired massively, to produce the dark tones of the final print. You will never see any artefact there anyway. Well I don't.
So three ITCL black inks will print grain and lines, and I'm fighting with four...
I wish to understand why the addition of each three/four channels, printing smoothly individually, will print lines.
Is it because inkjet is not stochastic?
Are there channels that should not be used simultaneously (e.g., MK and LLK are not designed by Epson to print simultaneously with the same ink limit, except probably at one crossing point)?
Does it have to do with the lack of "laser-precision" of the machine?
Are there maths involved here?
Is the ink composition involved?