Patent ID: 7905477

Claim:
An intermediate conveying apparatus comprising: an intermediate storing section configured to superpose a plurality of sheets conveyed from an image forming apparatus, temporarily store the plurality of sheets, and sequentially convey a plurality of sets, wherein one set comprises a superposed plurality of sheets, to a subsequent post-processing apparatus which applies post processing to the plurality of sheets; a communication device which conducts data communication with the image forming apparatus and the post-processing apparatus; and a conveyance control device which controls conveyance of the sheets, wherein the conveyance control device calculates a total number of the sheets of the plurality of sets for which the post-processing apparatus has completed post-processing by adding a number of the superposed sheets in one set of each of the plurality of sets, based on information about the number of the superposed sheets in the one set of each of the plurality of sets and information about a number of sets of the plurality of sets for which the post-processing apparatus has completed post-processing, wherein the information about a number of sets is received from the post-processing apparatus, and the conveyance control device sends information about the calculated total number of the sheets to the image forming apparatus.