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Discussion Starter · #1 ·
My printer HP 6500 Officejet E709a, ethernet wired, suddenly stopped working with error message "ink system failure Please turn printer off and on".

Did this twice and still same result.
Cleaned contacts on print head and printer as instructed in hp note. Still same result. "ink system failue"
Did hard reset of printer by unplugging and plugging power back in. Still same result. "ink system failure".
Tried not inserting any cartdriges (only empty print head then). Still same result. "ink system failure".

What else can I do now?
Before to buy a new print head, is there a way to be sure it is the problem?

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