HP laserjet 4345 MFP stuck at 6/6 E booting

When powering up the HP LaserJet M4545 MFP, the printer will hang at the HP Logo, showing the boot-up stage of 6/6 E on the display. The display will also be dim. For the HP LaserJet 4345 MFP, only the HP Logo will show on a dim display as it does not show the specific boot-up stages.