HP Designjet 4500

4-13
Service Tests and Utilities
HP Designjet 4500 Printer Series Service Manual
 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).
 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.
 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).
 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.
 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 2-4).
Unit Hangs Up - If no System error code is displayed on the Front Panel
but the Printer hangs up and the last message on the Front Panel is "Booting
up the Carriage" it means that the Carriage ASIC could not be detected.
Troubleshoot this problem in the same way as if System Error Code
02.1:10 had appeared.
 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 2-25.
 Printer checking part number
If 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 2-24.
If 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 "13. Error 71:19 Recovery" to
set the correct Part Number (refer to Page 4-69).
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 Service Tests
submenu and use the diagnostic "12. Set Unit Configuration" to set the
correct configuration (refer to Page 4-68).