HP Color LaserJet 4500 Printer series - Manual (Page 110)

110 Printer Interfaces
EN
To disable Apple EtherTalk
1 Press I TEM until ETALK * displays.
2 Press V ALUE to change to ETALK=OFF.
3 Press S ELECT to save the new status. ETALK=OFF * displays.
4 To disable another protocol, find the appropriate section.
– OR –
Press
G O to return the printer to the READY state.