| 摘要 |
A method and apparatus for determining media size and width and position by detection on a vacuum platen. Detection is provided by using electrical signals from vacuum ports arranged in an X-Y array in the platen. The electrical signals are capable of interfacing with digital circuitry. The X-Y array of vacuum ports with associated detectors permit the determination of media size, shape, and position with reference to the platen, allowing printing to be contained within the media.
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