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08-15-2019 11:29 PM - edited 08-16-2019 10:45 AM
My OfficeJet Pro 8710 started printing with horizontal lines in the black ink sections, but the funny thing is that it only does it if I am printing and not copying. In other words, black and white copying works fine.
Recent hardware/software changes: none that I can think of
Troubleshooting Performed: I followed the instructions, including resetting the printer, updating the firmware, putting in a new black ink cartridge, doing diagnostic pages and realignments and nothing has worked. I did not replace printhead because it seems to me that the printhead cannot be the problem if it is copying okay.
Error Messages: None
Connection: Wifi
The next image shows the problem of the horizontal lines and the second image shows the black and white copy without any horizontal lines:
Solved! Go to Solution.