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For the best chance for success, you might want to follow this document to help to resolve this.
see if this helps
Thank you for posting. Following document in the link will be helpful for you please go through it and in case you have any other issues do reply back-
At your help an employee of HP.
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I understand you're experiencing an Ink System Failure error on your Photosmart C309 printer. I am sorry to hear about this but will try to help!!
Just above your post in this thread aks3621 has posted the correct document to help resolve your issue, so please just click on the link in the post above yours to help resolve your issue.
Hope this helps!!
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I cured this fault on my Nephew's printer without having to buy a new printhead!
Follow the instructions for removing and cleaning the printhead in the instructions mentioned above.
Here's the link again:
I did all this and the fault persisted!
I did however notice that there was a lot of ink in the sponge where the print head parks on the right hand side.
Remove and clean this sponge/gauze type material. I pulled it out with tweezers. Refit it after cleaning with tweezers.
I then noticed there was ink under the ribbon on the print head. I took the head to the kitchen sink and blew hard under the ribbon to dislodge the ink. BE WARNED: INK DROPLETS SPRAY EVERYWHERE SO TAKE CARE! After no more ink appeared I cleaned the head with Isopropyl Alchohol and refitted it to the machine, loaded the cartridges and re-started the printer. This time the printer started perfectly and now runs fine!
I think this fault is caused by overcleaning the print head which can swamp the head and its control ribbon with ink.
I hope this works for you and saves you having to buy a new printer or print head!