The present invention provides an image forming device capable of maintaining a security level of a document constant, and an image forming device terminal. The image forming device capable of executing an authentication print printing includes a storage unit for storing a document data file and setting data of the authentication print printing of the document data file; a communication interface for receiving instruction data containing instruction of a process related to the document data file; an authentication print setting determination unit for determining whether to execute as the authentication print printing based on setting data stored in the storage unit; an authentication unit; a user authentication unit for outputting the result of the user authentication; a job executing unit for executing the job; and an authentication print setting registration unit for editing the setting data stored in the storage unit based on the instruction data.