| 摘要 |
A request condition managing table is provided to a request-sender digital copying machine. For example, when the request-sender digital copying machine is reset to a predetermined condition, the PCU of the request-sender digital copying machine outputs a clear signal to a request-receiver digital copying machine through a transmitting apparatus, so that the image data stored therein on behalf of the request-sender digital copying machine are cleared. Alternatively, the operator can erase such image data manually by checking the request condition managing table. In this manner, when the image data read by the request-sender image forming apparatus and stored temporarily in the request-receiver image forming apparatus become useless, the request-sender image forming apparatus so notifies the request-receiver image forming apparatus and directs the same to erase the image data, thereby preventing the request-receiver image forming apparatus from storing useless image data over a long period.
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