Epson Stylus Pro 9900 - Color Pairs on the Print Head (Listed Left to Right)

Pro 7900 and 9900 Field Repair Guide 10/6/10
Color Order Printer Component, Software Item, LCD Display, Printer Button Page 396.
Color Pairs on the Print Head (Listed Left to Right)
1. Cyan and Vivid Magenta
2. Photo Black (Matte Black) and Light Black
3. Orange and Green
4. Light Light Black and Yellow
5. Vivid Light Magenta and Light Cyan.
C / VM PK&MK / LK
O / G
LLK / Y
VLM / LC