1. In the Service Tests submenu, scroll to “15. Service Special Utilities” and press Enter . 2. In the Service Special Utilities submenu, scroll to “15.4 Unit Information “and press Enter . 3. The Printer will start to initialize and the Front Panel will display the following messages: • Starting Nvm. • Getting FW version. • Getting Serial Number • 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 72.
If the Serial Number does not have assigned a correct 10 character format or the Part number does not have assigned a correct 6 character format, a fail message will appear on the Front Panel. In this case, re-enter in to the Service Tests submenu and use the diagnostic “15.2 Error 71:19 Recovery” to set the correct Serial Number (refer to page 126). • Getting PS Language (for HP Designjet 4000PS). 4. Once the Unit information is obtained, it is displayed on the Front Panel. Press any key to exit. If there is a failure at this point, the Front Panel will display an error. Tests and Utilities 5. Once the process is completed, OK will be displayed on the Front Panel.
15.5 Service Special Utilities >>> Check Ink Supplies The purpose of this test is to verify which Ink Cartridges are valid for the purge process and their current available ink level. Some Ink Cartridges may not be able to be accessed (unable to read the Acumen) if previously there had been a failure (faulty, broken bag, etc...). Check the ink supplies as follows: Entering the Service Tests Menu 129