comprises a communicating section not shown which receives and transmits image data and the like via network with an external equipment the communicating section can receive facsimile data via network such as lan internet and the like as well as through public telephone wires the following is to explain structure of the system fig2 is a system structural diagram of an image data transmitting system as shown by fig2 the image reading apparatus 1 is communicatively connected by data receiving devices 4 a 4 b and 4 c via communication network 5 such as lan internet and public telephone wires fig3 is a block diagram for showing function of an image reading apparatus in embodiment 1 and embodiment 2 as shown by fig3 the image reading apparatus 1 comprises the operating section 11 the displayer 12 the reading section 13 the printing section 14 a communicating section 16 the electronic file memorizer 23 a cpu 30 an image data generating section 32 a file making section 34 a header information obtaining section 35 and the memorizer 42 the operating section 11 is an operating panel and has the various input keys 11 a further the operating section 11 is a part that receives input of various instructions and data of word and number based on operation of user and that performs display of instruction menu with respect to user and information relative to the obtained image and the like in the various input keys 11 a as keys used in the embodiment there are a start key 11 c for instructing to start operation a stop key 11 d for instructing to stop operation an address book.