Epson Stylus Pro 7900 - Unpacking the Printer and Mounting It on the Stand

Pro 7900 and 9900 Field Repair Guide 10/6/10
Board (Main) Removal Printer Component, Software Item, LCD Display, Printer Button Page 25.
5. Remove the Main Board from the Printer.
2. Release 4 Interlocks.
1. Remove 4 Screws.
3. Lift out the Main Board.