4-49
Diagnostic Tests and Utilities
HP Designjet 4000/4020 Printer Series Service Manual
13. Error 71:19 Recovery
The purpose of this utility is to set the Serial Number and Part Number in
case both the Hard Disk Drive and the Ink Supply Tubes are replaced at the
same time.
Set the Serial Number as follows:
1 In the Diagnostics Tests submenu, scroll to "Error 71:19 Recovery" and press
Enter.
2 The Printer will check if the System Error Code 71:19 has been recorded and
the following message will appear on the Front Panel:
îš„ Checking SE log.
If the Printer fails to find the System Error Code 71:19, the Front Panel will
display Error: Utility not available. In this case press any key to exit.
3 If System Error Code is detected, the Printer will start the recovery procedure
and the following messages will be displayed on the Front Panel:
îš„ Starting NvmBackup.
îš„ Starting NvmMain.
îš„ Getting Serial Number.
îš„ Checking Serial Number.
îš„ Starting Nvm.
îš„ Getting Part Number.
If there is a failure at this point, the Front Panel will display System Error
Code 79:03. For more information on troubleshooting this error code, refer
to Page 2-21.
4 The Printer will display the current Serial Number and the new Serial
Number of the Printer. Use the Up and Down keys to go through the digits
and press the Enter key to go to the next digit. You can press the Cancel
key at any time to exit the utility without making any changes.
Press Enter to
go to next digit
Press Cancel
to exit
Use UP and
DOWN keys
to go through
the digits
PH
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N
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