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HP Recommended
office jet 6978
macOS 10.13 High Sierra

print head problems

1 REPLY 1
HP Recommended

 @orthodr,

 

Thanks for reaching out to the HP Support community!

 

Let's try these steps:

 

Step 1: Use genuine HP ink cartridges

 

Step 2: Reset the printer

  • Make sure this printer is plugged into a direct wall, not a surge protector.
  • Turn the printer on.
  • Wait until the printer is idle and silent before you continue.
  • Remove all of your ink cartridges from the printer and close the door.
  • With the printer turned on, disconnect the power cord from the rear of the printer.
  • Unplug the power cord from the wall outlet.
  • Wait at least 60 seconds.
  • Plug the power cord back into the wall outlet.
  • Reconnect the power cord to the rear of the printer.
  • Turn on the printer, if it does not automatically turn on. The printer might go through a warm-up period. The printer lights might flash, and the carriage might move.
  • Wait until the warm-up period finishes and your printer is idle and silent before you proceed.
  • Reinsert the ink cartridges, and then close the ink cartridge access door.
  • Check if the error goes off and try to copy.
  • If the issue persists, proceed to the next step.

Step 3: Clean the ink cartridge vents and contacts

  • Gather the following materials: A clean, lint-free cloth, A clean, dry cotton swab, Distilled or bottled water.
  • Lightly dampen a clean, lint-free cloth with bottled or distilled water
  • Gently wipe the copper-colored contact on the ink cartridges.

          

  • Wipe the contact with a dry, lint-free cloth
  • Examine the vent area located on top of the ink cartridge, next to the HP logo.
  • If any of the ink cartridges have clogged vents, use a pin to clean the vents.

          

  • Carefully reinsert one of the ink cartridges
  • Check if the error goes off. Try to print/copy if there is no error.
  • if the issue persists, proceed to the next step

Step 4: Update printer firmware.

  • Refer to this link to update the printer firmware.

 

Let me know if this helps. 

 

Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution.

Click the “KudosThumbs Up" on the bottom right to say “Thanks” for helping. 

ATHARVA_GP
I am an HP Employee

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