Patent ID: 8614815

Claim:
An image forming device capable of communicating with a server storing document data, the server being connected to a plurality of the image forming devices, comprising: a log-in detection unit detecting that a user has logged in to the image forming device a receiving unit receiving document data stored in the server; a printing unit performing a printing process on the received document data; a determination unit determining whether or not a result of the performed printing process is successful; a log-out detection unit detecting that the user who had been logging in to the image forming device has logged out; a display unit displaying a list of information only on document data, which is associated with the user detected by the log-out detection unit as having logged out and for which it is determined by the determination unit that a result of the performed printing process is successful; and a transmission unit transmitting to the server an instruction to delete document data which is selected from the list of information on document data displayed by the display unit, and not to delete document data which is not selected from the list.