4-8
Diagnostic Tests and Utilities
HP Designjet 4000/4020 Printer Series Service Manual
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. Check also
System Error Code 01.0:10
(refer to Page 2-3).
îš„ Config GPIO drv_enable.
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.
3 After initializing the Scan-Axis system, the following message will appear on
the Front Panel.
4 Open the Window and check that the Carriage power light is ON (a faint
green light on the carriage PCA). Select Yes or No by using the Up and
Down keys and press Enter to confirm your selection.
If you select
No
at this point, the Front Panel will display
System Error
Code 02.1:10
. For more information on troubleshooting this error code, refer
to Page 2-4. Check also
System Error Code 11:10
(refer to Page 2-7) or
System Error Code 07:10
(refer to Page 2-6).
If you select Yes, then the Front Panel will display:
îš„ Booting up the Carriage.
If there is a failure at this point, the Front Panel will display
System Error
Code 02.1:10
. For more information on troubleshooting this error code, refer
to Page 2-4. Check also
System Error Code 11:10
(refer to Page 2-7) or
System Error Code 01.1:10
(refer to Page 2-3).
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