Epson Stylus Pro 7900 Product Information page 23

Delta E94
2.0
1.5
1.0
0.5
0
5 Min 15 Min 30 Min 1 Hour
Black Yellow Magenta
For Reference: Any L* Values Below Delta E94 of 2.0 is Best
Epson UltraChrome® HDR Ink Technology
Source: Seiko Epson Engineering
4 Hours 24 Hours
(1 Day) (2 Days)
Cyan Red Green
Short Term Color Stability
48 Hours 72 Hours
(3 Days)
Blue
144 Hours
(6 Days)