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I keep getting printer error 0x6100004a and I cannot figure out how to get it resolved.

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HP All in One 6978

I keep getting the same error, and I think it has something to do with faulty instant ink, so I am not sure how to resolve this.  THere doesn't seem to be tech support with HP once your printer is out of warranty : (  

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Hi @dlynette,


I'd like to help!


Step 1: Make sure the cartridge access door is closed

This error can occur if the cartridge access door is not fully closed. Make sure the door is closed.

  1. Open the cartridge access door.

    Opening the cartridge access door

  2. Remove the paper path cover, and remove any torn paper, labels, or other obstruction that might be inside.

    Checking the cartridge door for obstructions

  3. Reinsert the paper path cover, making sure it is fully inserted into the printer so that it does not interfere with closing the access door.

  4. Close the door, ensuring it is fully seated.

Step 2: Clear the error message

  1. Press the power button to turn off the printer.

  2. With the printer off, open the cartridge access door.

    Opening the cartridge access door

  3. Turn the power on and wait for the carriage to move.

  4. With the printer on, unplug the printer from power.

  5. Remove the ink cartridges and set them aside. It might be necessary to manually slide the carriage to access the cartridges.

  6. With the access door still open, turn the printer on, and then wait for the printer to complete the start-up sequence.

  7. Once the error has cleared and the carriage moves to the center of the opening, install the cartridges. If the error does not clear, repeat these steps until the error no longer displays.

 Also, try updating the printer's firmware -HP Printers - Updating or Upgrading Printer Firmware  


If the issue persists, I'd suggest you Contact HP in your region regarding the service options for your printer


Hope this helps! Keep me posted. 


And, Welcome to the HP Support Community. 


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