Patent ID: 6456401
Filing Date: 2002-09-24
Classification: H04N

Abstract:
An image forming apparatus having multiple functions for forming an image on a recording sheet by a copying mode or a facsimile mode, the image forming apparatus comprising:(a) recording means; (b) image reading means for reading an image of an original document so as to form the image in the copying mode; (c) a modem device for decoding data sent from a public network; (d) a first memory for registering telephone identification information for a remote station; (e) detecting means for detecting a telephone identification provided with a caller identification service of a communication enterprise; and (f) a controller for controlling said modem device, the controller realizing a first communication mode for receiving facsimile data so as to form the image in the facsimile mode, or a second communication mode for diagnosis of the apparatus and for setting control information of the apparatus from the remote station through said modem device, wherein said controller realizes the first communication mode in the case the telephone identification detected by the detecting means does not coincide with a registered telephone identification of the remote station, and realizes the second communication mode in the case the telephone identification detected by the detecting means coincides with the registered telephone identification of the remote station.