Description
Battery of Real Time Clock ran down.
Remedy
Replace the battery: 1Turn the printer off and unplug the cable. Unplug any network or USB cables. 2Loosen the screws that attach the formatter to the printer with your fingers, or with the help of a flat screwdriver, and remove the formatter. 3Locate the round, flat battery in the formatter. 4Push the battery slightly to one side and then pull it up. A little force may be required. 5Insert the new battery by pressing it down. 6Insert the formatter into the printer by pressing it down, and tighten the screws. 7Reconnect the cables and turn the printer on.