Pro 7900 and 9900 Field Repair Guide 10/6/10
Input Serial Number Adjustment Printer Component, Software Item, LCD Display, Printer Button Page 328.
Input Serial Number Adjustment
Note: The Input Serial Number adjustment writes the Printer’s Serial Number to the Main Board.
1. From the Servprog.exe for the 7900 and 9900, select Adjustments (Individual).
Click on Adjustments (Individual)