| 摘要 |
PROBLEM TO BE SOLVED: To set and release grouping without interrupting printing by inputting a grouping set command for hoppers and stackers through an operator panel, and recognizing the inputted data as a grouping set/release command. SOLUTION: When it is considered to be necessary to automatically change hoppers and stackers in the middle of a printing work, a grouping set command for hoppers and stackers is inputted from an operator panel 7. The set command inputted from the operator panel is recognized as the set command by a main processor part 2. A grouping release command is defined when grouping is to be released. The command is sent from a general-purpose computer, so that the grouping can be released.
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