| 摘要 |
A printer ( 100 ) for printing based on a print job signal sent from a data processing device ( 200 ) registers print job signal sending sources and a message corresponding to each sending source in memory ( 111, 112 ). A controller ( 113 ) detects whether the sending source of a received print job signal is registered in memory. If the sending source is registered, a messaging unit ( 110, 111 ) outputs a corresponding message. Sending sources that are permitted to print can also be registered in memory ( 111, 112 ). In this case, the controller ( 113 ) detects whether the sending source of a received print job signal is registered in memory, and instructs the printer ( 110 ) to print only when the sending source is registered as permitted to print.
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