Patent ID: 8749823

Claim:
An image forming apparatus the can communicate with a portal terminal device, the image forming apparatus comprising: a near field communication (NFC) unit that establishes, when the portable terminal device comes near the NFC unit, wireless communication with the portable terminal device; a short-range communication unit that has a larger wireless communication coverage than a wireless communication coverage of the NFC unit and that establishes wireless connection with the portable terminal device by using connection setting information received via the NFC unit; a data processing unit that performs data processing on data received from the portable terminal device via the short-range communication unit; a printer unit that prints out the processed data; a transmitting unit that transmits, to the portable terminal device via the short-range communication unit, function setting information defining whether each setting item of the image forming apparatus is applicable or not, so as to cause the portable terminal device to update setting items, which have been displayed on a printer setting window of the portable terminal device before the NFC unit establishes the wireless communication with the portable terminal device, such that an unavailable setting item is changed in display; and a control unit that controls, when the data received via the short-range communication unit is determined to contain data about image processing control, processing performed by at least one of the data processing unit and the printer unit in accordance with the data about image processing control.