A multifunction machine and a personal authentication method are provided in which information is exchanged between the multifunction machine and a memory card by the RF-ID method. The multifunction machine reads identification information of a user from the memory card through a wireless wave without contact. The read identification information is send to a server to inquire whether the user is registered. A personal information table is obtained from the server, when the user is authenticated. The personal information table includes a customized menu and a training menu. The training menu includes setting information when the customized menu was selected in the immediately previous operation. The obtained customized menu and setting information of the training menu are displayed on a panel of the multifunction machine.