| 摘要 |
In a printer control device, the number of documents to be copied and the number of recording sheets on a sheet supplying tray are detected and subjected to comparison, and when the number of recording sheets is smaller than the number of documents, a signal is generated to replenish the tray with recording sheets, whereby if the number of recording sheets on the tray is not sufficient to copy all the documents, the operator is informed of the shortage of recording sheets before the printing operation starts.
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