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- HP Community
- Printers
- Printing Errors or Lights & Stuck Print Jobs
- Officejet 8100 printer blinking lights error and printhead f...

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07-11-2023 07:25 AM
Hi @kench2
Welcome to HP Support Community.
Thank you for posting your query, I will be glad to help you.
I see that you are facing printhead issues.
Kindly refer to the steps on this link and let me know if that fixes the issue.
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!
I hope this helps.
Take care and have a good day.
Treeko
HP Support
I am an HP Employee
07-12-2023 08:07 PM
Hi Treeko - Thanks for the reply.
The knowledge page you sent me to was even less helpful than a similar page from the 8100 manual.
I still cannot find any specific info on the error lights (all 4 ink lights blink).
I was hoping that someone in the community had had this error on a 8100 or similar printer sometime in the past,
and had some hints or info.
I suppose I will next try to find a HP repair shop in my county.
Ken
07-13-2023 10:45 AM
Hi @kench2
Thank you for confirming.
Request you to update printer firmware. Kindly refer to the steps on this link and let me know if that fixes the issue.
Please refer to this link and check if the ink cartridges installed are within the expiry date. If not, the ink cartridges need to be replaced with new ones.
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!
I hope this helps.
Take care and have a good day.
Treeko
HP Support
I am an HP Employee
07-13-2023 01:04 PM
HP Smart is unable to establish communication with the printer.
The USB001 printer shows online but goes offline when HP Smart tries to get status.
Another printer icon shows "offline" always.
It seems that the printer is in non-communication mode while the error is blinking.
I do have new HP ink installed.($120 now wasted).
07-16-2023 07:11 AM
Hi @kench2
I suggest you reinstall the driver and connect the printer to check if that fixes the issue.
You can follow the steps under this link to uninstall.
Furthermore, you can reinstall using HP Smart App from this link.
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!
I hope this helps.
Take care and have a good day.
Treeko
HP Support
I am an HP Employee