Disclosed is an image forming apparatus including a storage unit which stores job data of a reserved job, an image forming unit which executes an image forming based on the job data of the reserved job, a paper feeding unit which stores a paper to be supplied to the image forming unit, a display unit, a control unit which determines whether a type of a paper to be used in the reserved job is different from a type of a paper which is stored in the paper feeding unit or not, and allows the display unit to display a job scheduling screen for displaying reservation information indicating a time required for an execution of the reserved job by including a predetermined notification when the control unit determines that the type of the paper to be used in the reserved job is different from the type of the paper which is stored in the paper feeding unit.