Epson Stylus Pro 9900 - Board (Main) Removal; Main Board Removal (Overview); Main Board Removal (Detail)

Pro 7900 and 9900 Field Repair Guide 10/6/10
Board (Main) Removal Printer Component, Software Item, LCD Display, Printer Button Page 23.
Board (Main) Removal
Note: 7900 Main Board Part # 2124160
Note: 9900 Main Board Part # 2124159
Main Board Removal (Overview)
• Back up the Printer’s Parameters.
• Remove the Rear Cover.
• Unplug the Cables.
• Remove the Screws.
• Remove the Main Board.
Main Board Removal (Detail)
1. Back up the Printer’s parameters using the NV-Ram Backup Utility feature of the servprog.exe utility.
2. Turn off the Printer and UNPLUG from AC.
3. Remove the Cover (Rear).