Patent ID: 7746488

Claim:
A network-based image forming device for storing and printing a secure print file sent from at least one user terminal connected through a network, comprising: an interface unit for providing a communication interface with the user terminal; a storage unit for receiving and storing a secure print file from the user terminal through the interface unit, wherein the secure print file is a file in which a print-authorized user's name and password and a number of printouts are set; a display unit for displaying as list of print files stored in the storage unit; an input unit for receiving a selection of a print file from the displayed list and an input of information; and a control unit for, if a secure print file is selected from the displayed list, receiving a user's name and password through the input unit, and, if the received user's name and password match the print-authorized user's name and password stored in the storage unit, performing print tasks within the number of printouts.