| 摘要 |
The present invention, which includes a USB interface for receiving recording data from an external processor by using a first logical channel of multiple logical channels thereof, a recording unit for recording an image on the basis of recording data, and the USB interface for connecting with the recording unit, transfers recording data to the recoding unit via the USB interface and causes the recording unit to record, while forbidding to receive the recording data from the external processor via the USB interface during a recording operation of the recording unit.
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