| 摘要 |
According to one embodiment, a printer includes a sensor adapted to detect the position of a paper in a paper conveying path, a receiver adapted to receive instructions, and a measurement unit adapted to measure an output value of the sensor based on the instructions, when the paper is conveyed along the paper conveying path. The printer further includes a display unit adapted to display a result indicating whether the output value of the sensor is sufficient to detect the position of the conveyed paper by comparing the output value of the sensor with a predetermined setup value.
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