Instructions

1

Turn your HP LaserJet 4345 printer off and on again by pressing the "Power" switch on the front of the printer to the "Off" position, then "On."
2

Press the right side of the "Start" button when the "Memory Count" appears on the printer's display. Release the "Start" button when all three LED lights on the printer are lit.
3

Press the "5" key on your printer's keypad. The wording "Initialize Disk" will appear on your HP 4345's display.
4

Press the "6" key on your printer's keypad. The initialization process will begin and a series of asterisks will appear on your HP 4345's display.

The word "Ready" will appear when the process is complete.