NVRAM Initialize Laserjet 2420

To initialize NVRAM
1. Remove any installed accessories (for example, a stapler/stacker).
2. Turn the printer off.
3. Hold down the DOWN ARROW ( ) button, and then turn the printer on. Continue holding
down the DOWN ARROW ( ) button until all three printer control-panel lights flash once and
then remain on. This might take up to 10 seconds.
4. Press the UP ARROW ( ) button.
5. Press the PAUSE/RESUME button. The display should show SKIP DISK LOAD.
6. Press the UP ARROW ( ) button until NVRAM INIT is highlighted.
7. Press the SELECT ( ) button. The printer initializes NVRAM and then continues its poweron
sequence.