How To Reset HP Officejet Pro 6978 Printer?
Steps Used To Reset HP Officejet Pro 6978 Printer Turn off the printer, router, and the computer. Ascertain that there is no power supply to the product. Unlink the power cable from the product and wait for 30 seconds. Reconnect the power cable after 30 seconds. Turn on the printer while you press and hold power and cancel buttons for 10-20 seconds. Release both the buttons once the attention light turns on. Wait for the printer to turn on automatically; if not use the power button to turn it on. Try test printing a document to check the status of the printer.