An electronic apparatus includes a messenger to receive information of a preregistered image scanning unit corresponding to a user account, from a message server, a device manager to send a scan command to an image scanning unit for scanning among the plurality of the image scanning units, based on the received image scanning unit information, and to receive a scan image from the image scanning unit which receives the scan command, and a controller to control the messenger to send a chat message comprising the received scan image and message account information to the message server.