1. A method for using an image capturing apparatus in which a code from a mobile telephone device is read and the contents of the code are transmitted to a superordinate system, wherein the code is decoded, wherein it is verified whether the code represents a valid electronic ticket and furthermore characterized in that the code or the information of the code is deactivated once the code has been read and used in the system and the electronic ticket on the mobile telephone display is exchanged for printed ticket by printing out a physical coupon or other type of ticket is printed out by means of a coupon printer.