Question about HP DeskJet 3940 InkJet Photo Printer
Make sure that all of the doors are shut, all trays are in properly, shut off printer, unplug from the wall. Press the power button while unplugged to clear any residual power. Wait a couple of minutes, plug in, and power up the printer. Good luck!!
Posted on May 21, 2011
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Posted on Jan 02, 2017
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