Pro 7900 and 9900 Field Repair Guide 10/6/10
Ink Bay Installation (Right) Printer Component, Software Item, LCD Display, Printer Button Page 144.
9. Install the Ink Tube Guide.
3. Place the Ink Tubes In the Ink Tube Guide.
1. Squeeze in to release 2 Interlocks.
2. Rotate the Ink Tube Guide Into place.