Re: printhead

Hi @fmt1911,

Welcome to HP Support Community.

Thank you for posting your query, I will be glad to help you.

The error 0xc19a0020 on your HP OfficeJet Pro 6978 printer usually indicates a printhead failure or ink system problem. Try these steps to fix it.

Reset the Printer

1. Turn on the printer.
2. Disconnect the power cable from the printer while it is still on.
3. Unplug the power cord from the wall outlet.
4. Wait 60 seconds.
5. Plug the power cord back into the wall and reconnect it to the printer.
6. Turn the printer back on and check if the error persists.

Check the Ink Cartridges

1. Open the ink cartridge door and check if the cartridges are seated properly.
2. Remove the cartridges and inspect them for leaks or damage.
3. Wipe the cartridge contacts gently with a lint-free cloth and reinstall them.

Clean the Printhead

1. Turn on the printer.
2. Open the cartridge access door and remove all ink cartridges.
3. Locate the printhead latch (if applicable) and lift it to remove the printhead.
4. Wipe the electrical contacts on the printhead and inside the printer using a lint-free cloth slightly dampened with distilled water.
5. Let everything dry for 10 minutes, then reinstall the printhead and cartridges.

Update Firmware

• Go to HP Support and download the latest firmware for your printer.
• Install it and check if the error clears.

Try a Printhead Cleaning Cycle

• On the printer’s touchscreen, go to Settings > Printer Maintenance > Clean Printhead.
• Follow the on-screen instructions and test print.

I hope this helps.

Take care and have a good day.

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Max3Aj

HP Support