To Next Page

To Previous Page

4-23

Diagnostic Tests and Utilities

HP Designjet 4000/4020 Printer Series Service Manual

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.

 Getting unit config.

If the current Part Number is not in the correct 6 character format, the Front

Panel will display a fail message. 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).

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).

 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.

 Checking GPIO channels.

At this stage, the Printer reads and checks the default GPIO values in the

Interconnect PCA when all the cables are connected and all the sensors give

the default value or the current state. The results will be displayed on the

Front Panel and you can press any key to scroll through the information.

If any of the channels cannot be read, the Front Panel will display System

Error Code 01.0:10. For more information on troubleshooting this error

code, refer to Page 2-3.

If any of the read values do not match the expected default, the Front Panel

will display System Error Code 07:10. For more information on

troubleshooting this error code, refer to Page 2-6.

* Items marked with an asterisk are not important and can be ignored.

HP 4000 User Manual

Other manuals for HP 4000