This document is for the HP Officejet Pro 251dw, 276dw, 8500, 8500A, 8600, and Photosmart Premium (c309) series printers.
note:Before you try the following solutions, disconnect the USB cable and Ethernet cable from the back of the printer. Make sure that there are no memory cards or thumb drives in the printer.
note:HP recommends plugging the printer directly into a wall outlet.