Epson Stylus Pro 7900 - Page 105

Pro 7900 and 9900 Field Repair Guide 10/6/10
Ink Bay (Left) Removal Printer Component, Software Item, LCD Display, Printer Button Page 105.
4. Remove the Sub Board Cover.
1. (View from the front) Release 2 Interlocks.
2. Lift off the Sub Board Cover.
Released Interlock.