Hi there,
In a lot of prints we make we see some kind of grain. For example in skin tones or nearly white areas the printer makes some kind of specks. We have this problem for a while now and we encounter this with different printers. We have (and had) these printers:
Virtuoso SG400
Mutoh VJ628
Epson 7890
Epson F6200
All of them with Sawgrass inks.
Only the Epson 7890 doesn't have this problem, all the others show the same problem. We worked with different profilers and they all seem to not now how to get rid of this. Our suppliers can't help us either and they even say our customers are too demanding (we mostly supply to consumers so that is off course nonsense).
I tested this with the SG400 with our own ICC profile and with the powerdriver, the Mutoh and Epson 7890 are also with a custom ICC profile and the Epson F6200 with a custom profile in the Wasatch RIP. One of our profilers says this is due to lack of ink colors. He says that it is because the Epson 7890 has 9 instead of 4 colors. I don't think this is it because the Mutoh also had 8 colors.
Can anybody help me out here? Please see the pictures attached.