Question about HP Officejet Pro L7680 All-In-One Printer
I put new printheads in and all it says is this, the following printheads has a problem. black/yellow [K/Y] magenta/cyan [M/C]. Cleaned metal contacts still says same thing. It will not let me do anything.
Resetting the All-in-One
Posted on Aug 19, 2008
I read all the blogs and forums regarding this issue. There are lots of comments. My Officejet Pro L7555 from Costco had run flawlessly for 4,000+ copies. I replaced various inkjet cartridges along the way but never had any trouble with the printheads. Then one day I got the "The following printheads has a problem...black/yellow. Took out the printhead and cleaned the contacts(several times) as recommended and then started to get the same message for both printheads...black/yellow & cyan/magenta. Tried all the power reset suggestions and was about to order new printheads when I tried a new twist on a combination I had seen in some previous blogs/forums. THE SOLUTION THAT WORKED FOR ME: With power ON, unplugged the power cord for about 15 mins, then plugged it back in while holding the"#" & "6" keys on the front panel of the printer. Came on and went through a long cycle(5 mins) that included printing a couple of pages I had never seen before. Think they were alignment pages. Everything seemed to work fine now. Not sure what the "#" & "6" sequence did but also had seen a reference to using "#" & "7" instead. I think it is a partial reset but whatever, it solved my problem and saved me $120+ I would have spent buying new print heads. Hope this will help someone else.
Posted on May 27, 2013
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Posted on Jan 02, 2017
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