Service Tests and Utilities

2The Front Panel will show the 13. Error 71:19 Recovery submenu.

3In the 13. Error 71:19 Recovery submenu, scroll to Set Serial Number and press OK to start the test.

4The Set Serial Number test starts and the front Panel displays the following messages:

„Checking SE Log.

„Starting Horsburgh & Mips.

„Starting NvmBackup.

„Starting NvmMain

„Getting Serial Number

„Checking Serial Number.

„Starting Nvm.

„Getting Part Number.

5The Front Panel prompts you to enter the Serial Number.

6Use the UP, DOWN and BACK keys to select each character of the Serial Number and use the OK to confirm.

7Once you have entered and confirmed the Serial Number, the Front Panel prompts you to confirm your selection a second time.

8If the new Serial Number is correct, press OK. If it is NOT correct, press BACK to change the Serial Number.

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HP Designjet T Series — Service Manual