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How old is your HP printer, please?
If it is within warranty, HP will service or replace your printer.
A recall (and free replacement of the printer) may be applicable, esp. if a 'problem with the printhead' message accompanies the 0x19axxxxx series error. Is there a message about 'A Problem With The Printhead' on the printer too?
(This recall-and-replacement arrangement would apply, I think, even if your printer is not new. See this page: