Image forming apparatus

An image forming apparatus comprising:

• plural sheet-feeding trays;
• and
• a control section that is configured to display a schedule image to show an execution schedule of a job on a display section,
• wherein the control section is capable of displaying a job execution schedule displaying column to show the execution schedule of the job, and an un-executable job displaying column to show that the job is un-executable, both columns being included in the schedule image,
• wherein when a job represents a tray specifying job that specifies a sheet-feeding tray to be used among the plural sheet-feeding trays, and if the job is un-executable using the sheet-feeding tray specified by the tray specifying job,
• the control section controls the un-executable job displaying column, not to display that the specified job is un-executable, even though the job is un-executable, and
• the control section further controls the job execution schedule displaying column to show that the job is not executable, while corresponding the job with the sheet-feeding fray specified by the job.