Document input and output device for identifying external devices and identifying processing method of document input and output device

摘要

A document input and output device for identifying external devices, the document input and output device being connected to a network and using a plurality of communication protocols, the document input and output device communicating documents in various data forms with plural information devices, includes a first identifying part configured to implement an identifying process wherein a function of a first information device can be used by identification of an individual; a second identifying part configured to implement an identifying process wherein a function of the document input and output device can be used by identification of an individual; a third identifying part configured to implement an identifying process wherein a function of a second information device can be used by identification of an individual; and an identification control part configured to control the first through third identifying parts.