| http://www.w3.org/ns/prov#value | - above described patents do not disclose resetting of the aligning mechanism when the intermediate tray is attached, nor the discharging of the remaining sheet in the tray in response to the attachment.SUMMARY OF THE INVENTIONA main object of the present invention is to provide a copying machine in which troubles such as jamming or skew in the sheet re-feeding device do not occur even in such cases
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