| 摘要 |
PROBLEM TO BE SOLVED: To provide a printing device, a printed body lower end determining method, a computer program, and a computer system for recognizing a position of a lower end of a printed body accurately. SOLUTION: The printing device includes: a feed means for feeding a supplied printed body in a predetermined feed direction; a light emitting means for emitting light; and a light receiving sensor for receiving light emitted from the light emitting means. The printing device detects a change of an output value of the light receiving sensor occurring when the light emitted from the light emitting means is interrupted by the printed body fed by the feed means. The change of the output value occurring when the lower end of the printed body interrupts the light at a plurality of positions is detected. Based on the detection result, a position in the feed direction of either one of a left end and right end of the lower end, which is fed after in the feed direction, is obtained. COPYRIGHT: (C)2011,JPO&INPIT
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