Question about HP Officejet Pro L7590 All-in-One InkJet Printer

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HPofficejetProL7590 machine is ''ON'' but will not operate any fucntion no matter what key is pressed. What is the cause/solution? Thanks. Pam

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  • larry_d44ca May 11, 2010

    Any blinking warning lights? Any error messages on the panel? Did you check the help file that came with your product?

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Unplug it. wait 20 seconds. press 6 and # while you plug it in. This will reset printer.

Posted on Dec 19, 2009

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Posted on Jan 02, 2017

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OK. Here is what may have happened. Very often, when a house is built. the Hot and cold water pipes get reversed. Probably because of dyslexia among some plumbers. So one thinks he has connected water correctly when he doesn't. Switch the hoses on at one end or the other. And see how it goes. I've had a number of service calls on this issue over the years myself and that was always the cause.
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