error msg= "There is a problem with the printer or ink system. Turn printer off, then on. If problem persists, contact HP. " Not sure if the is an "Off line" issue or not have turned printer on and off dozens of times, including unplugging and replugging, put in ALL new ink cartridges and still no resolve. HELP Printer is 8600 and computers are Apple. We have tried on iPhones, my wife's computer my computer and maybe the iPad. Thanks!!
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