HP 2500C Series - Manual (Page 78)

Operating Overview 2-20
Note
1. The printer has only one data-line to check for shorts. It is possible that the original error message
will refer to a different print head as the one that is actually having the ink short. The Ink Head
Diagnostic Process will help you identify the print head having the problem.
2. Not all cases of ink shorts can be diagnosed by the Printhead Diagnostic Process. If the diagnostic
program is not able to diagnose correctly, replace the printheads one after another to identify the
faulty printhead.
The Printhead Diagnostic Process in steps:
1. “PRNT-HD DIAG” appears on LCD
2. Press GO
3. Open the Print Head Access Cover and remove C, M and Y Printheads
4. Close Printhead Access Cover
5. LCD will display “Detecting”
6. If B Print Head faulty LCD shows “B PRNT-HD FAULTY”
7. Press GO
8. LCD displays “REPLACE B PRNT-HD”
9. User replaces Black Printhead
10. LCD shows “DETECTING”