To provide an image copying apparatus, wherein when an electronic paper or electronic book is connected to a specific interface and copying operation is performed, image data optimized for display with the electronic paper or electronic book can be transferred.

When copying operation is performed while connecting an electronic book 130 to a digital copier 100, image data are converted into an image data format suitable for the electronic book 130 by an image processing section 111, and data are transferred to the electronic book 130.