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- HP ENVY 7645 has ink but black ink is skipping lines and onl...

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12-05-2019 09:19 AM
MY HP ENVY 7645 all in one printer had black ink cartridge replaced today
I recently updated my Mac desktop to Catalina
my printouts are missing entire lines and missing tops or bottom of lines.
I have triple cleaned my printheads
12-09-2019 03:59 AM
@barboellen, Welcome to HP Support Community!
I understand you have issues with the print quality on the printer. 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!
Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution. Click the “Kudos/Thumbs Up" on the bottom right to say “Thanks” for helping!
TEJ1602
I am an HP Employee