An original reading apparatus, according to the present invention can include a reading portion capable of acquiring image data by reading an original, a communication portion that is connected to an external terminal device, a console capable of enabling an input operation by a user, a scan control portion that, based on a read command that is received through the communication portion from the terminal device, is capable of executing communication scan processing that sends image data that is acquired by the reading portion to the terminal device through the communication portion, and a warning portion capable of issuing a warning when an input operation is performed at the console when executing the communication scan processing.