Image forming apparatus

An image forming apparatus comprising:

• a sheet feed section including a plurality of sheet feed cassettes;
• a conveyance section configured to convey a paper sheet contained in the sheet feed cassettes;
• an image forming section configured to form an image on the paper sheet conveyed by the conveyance section;
• a receiving section configured to receive an image formation job and a designation of a sheet feed cassette for exclusive use from among the plurality of sheet feed cassettes;
• an exclusive use control section configured to put the sheet feed cassette the designation of which has been received by the receiving section into an exclusive use state, determine whether to permit the image formation job to use the sheet feed cassette in the exclusive use state, and switch the sheet feed cassette from the exclusive use state to a non-exclusive use state when a predetermined condition is satisfied;
• a number-of-sheets specifying section configured to specify the number of particular paper sheets, which are paper sheets to be used in the image formation job permitted to use the sheet feed cassette in the exclusive use state, among paper sheets contained in the sheet feed cassette in the exclusive use state;
• and
• a sheet discharge control section configured to, when the predetermined condition is satisfied and the number of particular paper sheets specified by the number-of-sheets specifying section is more than one, allow the conveyance section to convey and discharge the one or more particular paper sheets remaining in the sheet feed cassette in the exclusive use state before the exclusive use control section switches the sheet feed cassette from the exclusive use state to the non-exclusive use state.