Service Utilities
2The 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 OK key to go to the next digit. You can press the Cancel key at any time to exit the utility without making any changes.
If the Serial Number or the Part Number cannot be read, the Front Panel will display the relevant System Error code. See System Error Codes - Full Descriptions on page
3Once the new Serial Number has been entered, the Front Panel will display the Serial Number and Model Number of the Printer. Press the OK to confirm the Serial Number or the Cancel key to exit the utility without making any changes or the Back key to modify again.
4If the utility exits correctly, OK will be displayed on the Front Panel.
5When the printer is restarted after a serial number change an NVM setting sequence is initiated to synchronize the serial number stored in the backup memory.
4.Reset Life Counters
The purpose of this Service Utility is to reset the internal life counters.
There are two submenus that allow you to:
Reset ALL the counters related to a Preventive Maintenance Kit (PMK).
Reset only the counters related to a specific replaced part.
ALWAYS RESET THE LIFE COUNTER OF A CORRESPONDING
PART AFTER REPLACING IT.
Perform the Reset Life Counters utility as follows:
1In the Service Utilities submenu, scroll to Reset Life Counters and press OK.
2Select Reset Maintenance Kit usage to reset the Life Counter for ALL parts included in a Preventative Maintenance Kit (PMK).
HP Designjet T Series — Service Manual |