HP 4000

4-19
Diagnostic Tests and Utilities
HP Designjet 4000/4020 Printer Series Service Manual
8 If you select Yes, the Printer will start the CDS and the following information
will be displayed on the Front Panel:
 Starting CDS.
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.
9 The printer will then check the Serial Number and Part Number and display the
information on the Front Panel. Press any key to continue the test:
If the Serial Number or the Part Number cannot be read, the Front Panel will
display
System Error Code 74:00 . For more information on troubleshooting
this error code, refer to Page 2-20.
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
Diagnostics Tests submenu and use the diagnostic "13. Error 71:19 Recovery"
to set the correct Serial Number (refer to Page 4-49).
10 The Printer will now check the unit configuration (whether it is Standard or
Productivity) and the Part Number and display the information on the Front
Panel. Press any key to continue the test:
If the unit configuration is incorrect according to the part number, the Front
Panel will display a fail message. In this case, re-enter in to the Diagnostics
Tests submenu and use the diagnostic "12. Set Unit Configuration" to set the
correct configuration (refer to Page 4-48).