4-48 Service Manual
5025-2xx, 4xx
• Rotate the spring clamp so it hooks over the new ITU (E).
Note: Position the spring on the right side of the gear shaft.
• When you have replaced the ITU, be sure to enter the 16-digit numeric value from the barcode on the new
ITU into the printer.
1. Enter the Diagnostics Menu:
a. Turn the printer off.
b. Press and hold and .
c. Turn the printer on.
d. Release the buttons when the installed memory and processor speed displays.
2. Select PRINTER SETUP from Diag Menu, and press Select ().
3. Select ITU Barcode, and press Select ().
4. To enter the 16-digit numeric value:
Use to decrease the leftmost digit value or to increase the value. Press Select ( ) to advance
to the next digit. If a digit is already correct, press Select ( ) to accept the number and to continue.
When the last number is entered, press Select ( ), and Submitting changes… should appear. If the
entered number is incorrect, Check Sum Does Not Match displays. Check and reenter the number.