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pbrooks259
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L26500: blew out printhead electrically. Now new & other used one is "reseat" as well

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I blew out (electrically blew out a tiny hole adjacent to the nozzles towards the back of the printhead) #4 Y-K printhead (image attached) on a L26500 (Latex 260) now the new one is "reseat" as well, and I even tried the other good used one in that slot, and it is "reseat" as well. I think once the printhead blew it also blew the carriage pca.  I don't see any signs of burning on the flex contacts.  I have not dug much into it so far.

 

Anyone ever had this happen? If so what was the source of the problem?

 

All other printheads are status = unknown,     except #4 is status = reseat

 

#4 has: error code 524290

 

Thanks for any input.

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pbrooks259
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Level 6
249 176 21 14
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FWIW, the carriage pca was bad causing a continual "reseat" message for #4 Y-K printhead replacements after the original #4 Y-K printhead was electrically blown out which I think resulted in burning out or blowing the carriage pca.

 

Earlier I forgot to note that during the carriage test 6.1 it failed with the message:  "failed to check printhead Pen3".

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pbrooks259
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Level 6
249 176 21 14
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HP Recommended

FWIW, the carriage pca was bad causing a continual "reseat" message for #4 Y-K printhead replacements after the original #4 Y-K printhead was electrically blown out which I think resulted in burning out or blowing the carriage pca.

 

Earlier I forgot to note that during the carriage test 6.1 it failed with the message:  "failed to check printhead Pen3".

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