| 摘要 |
In a sheet conveyance system in which a plurality of apparatuses each including a communication unit with a plurality of communication channels are connected, and a sheet is conveyed between the apparatuses, each of the plurality of communication channels can be switched between a transmission mode and a reception mode. When a plurality of transmission channels are set by channel assignment, communication can be executed by giving a priority to each transmission destination. If transmission data are accumulated in an apparatus, and they include data for a transmission destination with a higher priority over the current data transmission destination, the number of transmission channels is increased, and the priority is raised.
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