IMAGE FORMING APPARATUS, CONTROL METHOD THEREFOR, AND STORAGE MEDIUM STORING CONTROL PROGRAM THEREFOR

An image forming apparatus that is capable of decreasing the stopping time during which the image forming apparatus stops and of increasing productivity. An image forming unit executes print jobs in order. An operation unit receives an instruction inputted by a user. A generation unit generates a setting job concerning a device setting based on a user's instruction inputted through the operation unit. A setting unit sets execution timing of the setting job generated by the generation unit based on a user's instruction inputted through the operation unit. A control unit stops an operation of the image forming unit and to execute the setting job generated by the generation unit at the execution timing set by the setting unit, and resumes the operation of the image forming unit after the setting job finishes.