So we have a hand full of printers here that have white ink options. Because of this we can print on dark substrates, and arguably we can print more "vivid" prints on clear substrates. We have profiled our printers using a white ink method we developed. Basically we do lin on all 5 channels, CMYK with 100% white behind, and a white lin as well. Then from there we print patches with white ink flooded behind them. Is anyone else experimenting with color critical white ink solutions? If so what tricks are you doing??