4-21
Diagnostic Tests and Utilities
HP Designjet 4000/4020 Printer Series Service Manual
îš„ Checking voltage.
If there is a failure at this point, the Front Panel will display System Error
Code 03:10. For more information on troubleshooting this error code, refer
to Page 2-5.
îš„ Clear GPIO psu_lpm.
If there is a failure at this point, the Front Panel will display System Error
Code 01.0:10. For more information on troubleshooting this error code,
refer to Page 2-3.
îš„ Checking voltage.
If there is a failure at this point, the Front Panel will display System Error
Code 03:10. For more information on troubleshooting this error code, refer
to Page 2-5.
îš„ 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.
15 A message will appear on the Front Panel asking whether you would like to
check the PrintMech. Select Yes or No by using the Up and Down keys
and press Enter to confirm your selection. If you select No, the printer skips
this test and goes to the next one:
16 If you select Yes, the Printer will check the PrintMech and the following
messages will be displayed on the Front Panel:
îš„ Starting Gamut.
îš„ Starting Tests GPIO.
If there is a failure at this point, the Front Panel will display System Error
Code 01.0:10. For more information on troubleshooting this error code,
refer to Page 2-3.
îš„ Checking PCA rev.
The value for the PCA revision must be more than 0.625V, if not the Front
Panel will display System Error Code 01.1:10. For more information on
troubleshooting this error code, refer to Page 2-3.
Press Enter to
confirm selection
Use UP and
DOWN keys
to select
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