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Answer» My 1200 series HP printer won't turn off and it's all lite up anf everything but none of the switches [buttons] work.The last time I used it all worked.It shows in the printer WINDOW that everything is ready to go.I tried to put my disk in that came with the printer but I couldn't use that because it already has a newer update added.I tried to update the driver and couldn't get that to work.Printer won't accept the info from the computer.Turn printer on without cable connected between computer and printer. If it experiences this problem while disconnected then its probably time for a new printer. Some HP printers had an ability to clear by holding online button and then plugging power in to printer. Hold for about 15 SECONDS and then remove finger from button. If this doesnt clear it then its LIKELY a fried main board to the printer.Manuals are AVAILABLE from the HP site, in case you lost it. http://h20565.www2.hp.com
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