| 摘要 |
An image forming system includes an image forming mechanism, optional units including at least one recording medium feed unit, and at least one recording medium eject unit. The image forming mechanism includes a transport mechanism for taking the recording medium from one of the optional units and for ejecting the recording medium to one of the optional units in accordance with first control data and second control data defining transport characteristics of the transport mechanism, and a sending part for sending the optional units the first control data through a serial signal line. Each of the optional units includes a memory for storing a plurality of different control data defining different transport characteristics of each optical unit, a receiving part for receiving the first control data sent from the sending part, a selecting part for selecting one of the different control data so as to conform to the first control data sent from the sending part, and a sending part for sending the transport mechanism the selected one of control data. The selected one of control data serves as the second data used in the transport mechanism of the image forming mechanism.
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