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- L26500: blew out printhead electrically. Now new & other use...

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11-04-2020 08:22 AM - edited 11-04-2020 08:50 AM
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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11-12-2020 05:35 PM
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".
11-12-2020 05:35 PM
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".