Cold Reset Laserjet 2420

To perform a cold reset
1. Turn the printer off.
2. Hold down the SELECT ( ) button, and then turn the printer on. Continue holding down
the SELECT ( ) button until all three printer control-panel lights flash once and then
remain on. This might take up to 10 seconds.
3. After the message SELECT LANGUAGE appears on the display, press the
UP ARROW ( ) button or the DOWN ARROW ( ) button until COLD RESET is highlighted.
4. Press the SELECT ( ) button. The printer performs a cold reset and then continues its
power-on sequence.
5. Check all I/O settings and reset any customer-set printer configuration values.

Reset ini dilakukan untuk mengembalikan semau setting ke posisi awal seperti printer baru.
Sebelum melakukan reset ini, Print dulu configuration page yang terakhir. Agar bisa mengembalikan setting yang penting, seperti I/O dll