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    Check documents on compatibility, FAQs, upgrade information and available fixes.
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HP DesignJet T520 36 in (CQ893A)  "There is a problem with printer or ink system, Turn printer off then, on. If problem persists, contact HP." With this display, I have replaced all 4 ink cartridges but the problem persists, can someone please assist?

Thank you. 

1 REPLY 1
HP Recommended

Replace the Printhead and should be good

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