A desktop image scanning/reading transmission/reception printer (30) and a floor-installation image scanning/reading transmission/reception printer (40) have an image scanning/reading function using an optical sensor (CCD) and a printing function or an Internet terminal function and are connected to a router, which is an Internet terminal, installed in an office or a home so as to enable data communication through a cable or by wireless. The image scanning/reading transmission/reception printer transmits/receives a read image file created by scanning/reading a document or a printed object by way of an optical sensor to the transmission destination indicated by the facsimile address newly set as transmission destination data or to the IP phone number of the destination Internet terminal over the Internet through a facsimile server which is a newly installed facsimile file transmission/reception server.