摘要 |
An image forming apparatus comprising an image forming device for forming an image on a sheet, plural discharged sheet stacking device for stacking the sheet on which the image is formed by the image forming device, and a control device for selecting the discharged sheet stacking device according to the image forming job of the image forming device and for selecting the discharged sheet stacking device based on the material information of the sheet, wherein the control device selects the discharged sheet stacking device based on the material of the sheet in preference to the image forming job. The image forming job is a stapling job, a sorting job or a non-stapling and non-sorting job. There is also provided an informing device for informing a fact that the discharged sheet stacking device is selected based on the material of the sheet in preference to the image forming job.
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