An information processing device includes an authenticating part that authenticates user, an authentication canceling part that cancels authentication of the user when the authenticating part authenticated, and removes setting information and screen information input by the user; an operation condition storing part that stores the setting information and the screen information input by the user in an external memory medium when canceling authentication of the user, and a reproducing part that reads the setting information and the screen information stored in the external memory medium from the external memory medium when the authenticating part authenticates the user, and reproduces an operation condition based on the setting information and the screen information that were read.