| 摘要 |
PROBLEM TO BE SOLVED: To separate a plurality of paper sheets into lots classified by a job and stack the paper sheets without being bulky, to facilitate separation between jobs, and also facilitate separation within a job after separation between the jobs. SOLUTION: Suction processes P1-1-(N-1) and R1-1-(N-1) are applied on the upper surface of each of paper sheets, preceding on a conveyance passage, of paper sheets 1-N belonging to paper group parts 41 and 41' belonging to one job and the paper sheets 1-N are laminated such that the paper sheet N is positioned at a topmost layer. At each of the jobs of different users, the paper sheet is partially sucked in a different position or in the same position, the paper sheets are sucked to each other at each job, and at a job unit, the paper sheets are not dispersed. The paper sheets do not stick together between different jobs and the own job of a user is easily shifted under network environment utilized by a plurality of users.
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