HP 4000

4-26
Diagnostic Tests and Utilities
HP Designjet 4000/4020 Printer Series Service Manual
to Page 2-7. Check also System Error Code 01.2:10 (refer to Page 2-4) or
System Error Code 01.0:10 (refer to Page 2-3).
 Getting ISS data.
If there is a failure at this point, the Front Panel will display System Error
Code 74:00
. For more information on troubleshooting this error code, refer to
Page 2-20.
 Checking ISS Ink Sup.
If there is a failure at this point, the Front Panel will display System Error
Code 26.n:10
. For more information on troubleshooting this error code, refer
to Page 2-10. Check also
System Error Code 13.n:10 (refer to Page 2-7).
26 Once the test is completed, OK will be displayed on the Front Panel.