| 摘要 |
<p>A data printing system 1000 according to the invention includes a data processing apparatus 100 and a printer apparatus 200. The data processing apparatus includes a transmission converting unit 130, a data transmitting unit 140, a transmission confirming unit 150, and an alarm providing unit 160. The transmission converting unit converts electronic data to be printed out into print data. The data transmitting unit transmits the converted print data to the printer apparatus. The transmission confirming unit detects an alteration of the printed out electronic data. The alarm providing unit provides predetermined alarm data to the print data to be transmitted when the alteration is detected. The printer apparatus includes a data receiving unit 210, a data printing unit 220, an alarm detecting unit 230, and an alarm reporting unit 250. The data receiving unit receives the print data from the data processing apparatus. The data printing unit prints out the received print data. The alarm detecting unit detects the alarm data provided on the received print data. The alarm reporting unit reports an alteration alarm when the alarm data is detected.
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