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It is always possible that the person did not actually replace the print head and stated they did because the count should reset after it is replaced properly.
I understand and I am not saying that happened but there is no way to determine that he actually installed it even though he showed you a receipt of the purchase. The print head could have went into another printer or it could have been returned, etc.
I would recommend purchasing a print head yourself and installing it.
You can try to install the print head again to see if it will reset everything but there is no guarantee. If it doesn't reset and fix the issue then you will need to buy a new print head.
The error code that you provided means the print head needs to be replaced so if the print head was never replaced or it was not inserted properly to reset the code then it would produce this error.
Absolutely -- I believe you are reading forums that state multiple items but the manual will state the print head needs to be replaced.
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