Service Manual
Page 175
...available. You can use of a personal identification number (PIN). See Restoring the Service ID. ● Cold reset. Because the printer does not have an internal clock, the availability of the service ID date depends on the printer being connected to a source that can provide the date, in a country/region that are prompted to A4... pages that have been printed to a PIN digit. Press the UP ARROW ( ) button or the DOWN ARROW ( ) button until you are reserved for the HP LaserJet 2400 product. 1. The service menu is protected by use the LEFT ARROW ( ) button to return to -date.
...available. You can use of a personal identification number (PIN). See Restoring the Service ID. ● Cold reset. Because the printer does not have an internal clock, the availability of the service ID date depends on the printer being connected to a source that can provide the date, in a country/region that are prompted to A4... pages that have been printed to a PIN digit. Press the UP ARROW ( ) button or the DOWN ARROW ( ) button until you are reserved for the HP LaserJet 2400 product. 1. The service menu is protected by use the LEFT ARROW ( ) button to return to -date.