| 摘要 |
<P>PROBLEM TO BE SOLVED: To make a book with a suitable bonding state by properly shifting a notching position between sheets even if paper jam occurs. Ž<P>SOLUTION: In the bookbinding device B, a control part changes, for each sheet constituting a sheet bundle Sa, the position of a notch V to be formed on the sheet S, so that when execution of a job is stopped due to paper jam, the position of the notch V to be formed in a sheet S which is subjected to formation of the notch V first after removing the jammed sheet S and restarting the execution of the job is different from the position of the notch in the last sheet S which is normally processed. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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