My big problem in my Printer HP ENVY 7645, I did all Test . I did Printer HP Print and Scan Doctor multiple times.
Dont Printer Only Cyan Color. Yellow print well, Red print well. Red print well.
@Tiger1957, Welcome to HP Support Community!
If you have already performed the steps from the document Black or Color Ink Not Printing, Other Print Quality Issues and the issue persists, it could be a hardware failure.
Please reach out to the HP Support in your region regarding the service options for your printer.
Hope this helps!
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TEJ1602 I am an HP Employee
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