How to Perform a Cold Reset HP LaserJet 4345 MFP
- Turn the HP LaserJet 4345 MFP off and then on this printer.
- When the memory count appears on the control-panel display, press and hold 6 until all three LEDs flash once and then stay on. This might take up to 20 seconds.
- Press 3 four times until COLD RESET appears on the control-panel display.
- Press 6 one time. The HP LaserJet 4345 MFP should continue its initialization sequence.
CAUTION: By performing cold reset all setting on the HP LaserJet 4345 MFP are also reset. Before performing cold reset be sure to print a configuration pada and menu map.