Question about HP Officejet Pro L7780 All-In-One InkJet Printer
A piece of paper jammed in the machine which I extracted, but now I get the error message "The following printhead(s) has a problem: black/yellow. Can't get it to go away and don't know what to do. Help!
When you removed the paper it's possible your damaged it and that's why the message is not going away. Did you try to put the cartridge back in to make sure it had not come out of position and just remove the power cord for a minute then plugging it back it.
Here are the steps to make sure you properly change the cartridges and the heads...
Install the ink cartridges and printheads Step one: Install the ink cartridges All four ink cartridges must be correctly installed for the HP All-in-One to work. Follow the steps below to Install cartridges:
Posted on Dec 01, 2008
How to change the print heads on the HP all in one 7780
Posted on Dec 20, 2008
Call HP. Stay on the phone for about an hour. Try their solutions. After that they will replace the printer.
Posted on May 18, 2009
May sound awful, but if you put a paper towel or two between your mouth and the printer head (where the link comes out) and **** it will work. Will bet money on this! Let me know if this works 4 u
Posted on Nov 09, 2011
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Posted on Jan 02, 2017
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