| 摘要 |
PROBLEM TO BE SOLVED: To provide a sheet post-processing apparatus and an image formation system including this sheet post-processing apparatus capable of preventing an increase in user's time and labor resulting from a sheet removal operation in accordance with a user's usage method.SOLUTION: A sheet post-processing apparatus including: a sheet tray that stacks a sheet fed from an image formation apparatus; and detection means for detecting whether the sheet is present on the sheet tray, the sheet is discharged to the sheet tray as it is or after performing a predetermined post-process on the sheet, comprises switching means for switching a setting to a setting of notifying the image formation apparatus that an invalid sheet is present on the sheet tray or a setting of not notifying the image formation apparatus that the invalid sheet is present on the sheet tray if the detection means detects that the sheet is present on the sheet tray when the sheet post-processing apparatus is turned on after an off-state. |
