Question about HP OfficeJet 6110 All-In-One InkJet Printer

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HP ac/dc adapter 0950-4340

The green light on the plug turns off as soon as I plug it in to the printer. I unplug the adapter and replug in to the wall and the green light comes back on.
Any suggestions?
D.J. Miller

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  • 2 more comments 
  • DjRaceman Feb 09, 2008

    Interesting suggestion...when I plug it in that way, the light on the power supply plug just barely flickers...doesn't fire the printer up though..


  • Anonymous Feb 15, 2008

    I have the exact adapter situation when trying to use it with an HP laptop. Same adapter.

  • MJhnsn Feb 23, 2008

    Exact same problem - green light comes on adapter, but goes off once inserted - no combination of what was plugged into what first matters. Does anyone have a solution to this, or determined that it is simply a faulty adapter?

  • Anonymous Mar 30, 2014

    No lights but AC adapter shows 18 volts DC at plug


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Hi , plug first the adapter to printer before plug it to ac outlet.

Posted on Feb 09, 2008

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Fiend your solution direct from hp. Here is your solution....
HP ac/dc adapter 0950-4340 - 11fe055.jpg

Posted on Feb 28, 2009

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    Nov 08, 2008 | HP Printers & Copiers

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    It doesnt turn on!!

    You might want to check if it's just a bad power connection first, because a new adapter isn't cheap. They cost about 60 bucks plus shipping from the HP parts department:

    Before you shell out that kind of dough, I recommend you first eliminate the obvious like a bad surge suppressor or power strip. Sometimes, one of the outlets in a multi-outlet power strip can go bad and cause just one of the devices plugged in to lose power. It actually happened to me once with a brand spanking new surge suppressor I purchased and I had to go back to the store and get it replaced under the warranty. So, be sure to check by plugging your printer into a different outlet.

    If nothing's wrong with your power strip and AC power cord, the next thing to check is the power connector that plugs into the back of your printer. It has three contacts on it, which means there are three points of failure. Unplug it and plug it back in. Wiggle the connector a little, mumble "I hate this stupid printer", and then observe the printer's power light.

    Still nothing? Well, if you're feeling a little adventurous and have a basic understanding of how electronic circuits work, you can check the AC adapter to see if it's really dead. You do this by testing the DC outputs of the adapter with a multimeter. Don't have a multimeter? You can either borrow one from a geek friend, or buy your own for about twenty bucks at Radio Shack (get a cheapie model - nothing fancy). IMHO, everyone should own a multimeter. They come in handy for checking batteries and bad connections in low voltage wiring. After you learn to use one, you'll wonder how you ever got along without it.

    Anyway, getting back to the printer, the AC adapter has a dual DC voltage output with three pins. The center pin is ground and the two on either side are positive voltages (+36 volts and +16 volts). If the AC adapter is good, your multimeter will indicate at or slightly less than these voltages when tested, around +35v and +15v. A good voltage reading tells you that the AC adapter is probably okay. In that case, the problem is inside the printer itself and buying a new adapter would be a waste of money. At this point, it's pretty safe to conclude that the old mule has finally kicked the bucket.

    Hope this helps.

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