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Diagnostic Tests and Utilities
HP Designjet 4000/4020 Printer Series Service Manual
5. Diagnostic Print
The purpose of this Service Utility is to print the Diagnostic Print in order to
identify image quality problems.
Print the Diagnostic Print as follows:
1 In the Service Utilities submenu, scroll to "Diagnostic Print" and press Enter.
2 You will be given three options:
îš„ Image Quality User Plot
îš„ Image Quality Service Plot
îš„ Others, which includes the Print Banding Plot and the Force Drop
Detection print.
3 Use the Arrow keys to make the selection and press the Enter key to start
printing the required Diagnostic Print.
4 Make sure media is loaded, the Pinch Lever is lowered and that the Ink
System is correctly installed. Press the Enter key to print the Diagnostic Print
or press Back/Cancel to exit without printing the Diagnostic Print.
5 The selected Diagnostic Print will now be printed. For further information on
troubleshooting Image Quality problems, refer to Chapter 6.
Press Enter to
confirm selection
Use UP and
DOWN keys
to select
Press Cancel
or the
Back key
Press Enter
to Exit
to print
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