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- last update firmware for hp officejet 7740 block old cartrid...

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03-25-2020 12:39 PM
This looks like a hardware issue.
Please reach out to the HP Support in your region regarding the service options for your printer.
Hope this helps!
Please click “Accepted Solution” if you feel my post solved your issue, it will help others find the solution. Click the “Kudos/Thumbs Up" on the bottom right to say “Thanks” for helping!
TEJ1602
I am an HP Employee
06-03-2020 02:00 AM
Hi @joneking, @cbfoley423
Welcome to the HP Support Community. I'd be happy to assist you.
Are you using HP ink cartridges?
What is the exact error message?
For now, kindly perform the steps mentioned in this document to resolve ink cartridge related issues.
If you are using non-HP ink cartridges, refer to this document.
Hope this helps! Keep me posted.
KUMAR0307
I am an HP Employee
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