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Ink Supplies Troubleshooting
3-8
HP DesignJets 500, 510 and 800 Series Printers Service Manual
3 Reinsert the Cyan Printhead only and close the Carriage cover and
the Window.
4 Check the front panel - if the status of the Cyan Printhead is X or ?
then the conclusion is that the Cyan Printhead is faulty and must be
replaced. If the status of the Cyan Printhead is OK the conclusion is
that the Cyan Printhead is working correctly. Repeat the process
from step 1 for the other Printheads to identify which one is failing.
Printhead Warning message. When this message appears
(normally appears when you check the status of the Printheads by
selecting the Ink Menu), the Printer has determined that one of
the Printheads has worn out and should be replaced.
The Printer normally determines this when:
1 The Printhead Alignment fails due to a faulty Printhead and the
Printer tries to recover the Printhead (upto 3 times) but is not
successful after the 4th attempt at the Printhead Alignment (or if the
recovery process or the Printhead Alignments are cancelled).
2 The Troubleshooting process is performed but the Printer cannot
recover the failing Printhead even after performing the maximum
recovery action.
NOTE The user can continue using the Printer even with the Printhead
Warning message but will not get the maximum Print Quality
that the Printer is designed to provide, unless he replaces the
worn out Printhead.