A machine controller for controlling a machine includes a data memory configured to store maintenance data for at least one of the machine controller or the machine in an electronically processable manner, an imaging processing unit configured to at least partially read the maintenance data from the data memory and to generate image information relating to a graphical representation that includes a first representation area representing a first section of the maintenance data in a form designed for machine readability. The machine controller includes at least one of: a display unit configured to display the graphical representation based on the image information or a data transmission interface configured to transmit the image information indirectly or directly to a service computer to display or evaluate the graphical representation on the service computer.