| 摘要 |
A printer includes: a print unit performing a printing operation; and a control unit having an operating system and a device driver installed in an operating system layer, a first application installed in an application layer other than the operating system layer so as to transmit and receive information to and from the print unit through the device driver, a transmission information acquiring module installed in the operating system layer so as to acquire transmission information which is information based on the information transmitted and received between the first application and the print unit through the device driver, and a second application installed in the application layer so as to receive the transmission information and to output processing information which is information based on the input transmission information.
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