A facsimile machine provided with a data processing device for executing data processing in communications mode in accordance with a command entered from a communications apparatus having a capability of transmitting and receiving communications data. The facsimile machine includes a mode select device for switching itself from ordinary facsimile mode for image data transmission and reception to communications mode for communications data transmission and reception in accordance with an operator input; an operation judgment device for judging whether the data processing device has accomplished a printing job, in which data received from the communications apparatus is printed on paper, after the mode select device has switched the facsimile machine to communications mode; and a mode reset device for resetting the facsimile machine to facsimile mode when completion of the printing job has been confirmed by the operation judgment device.