| 摘要 |
A printer tear bar and presenter system for printing on a strip of media and presenting a portion of the media to a user. The media comprises a plurality of perforations and a plurality of bridges of connecting material separating the perforations. The tear bar comprises first and second side portions and a center portion. The side portions and the center portions are adapted to abut the surface of the media so that friction creates stress on the bridges of connecting material. The first and second side portions are preferably tapered to concentrate tearing stress on corresponding bridges of connecting material. The printer and control circuitry are adapted to advance the media rapidly after the printer has finished printing to prevent users from pulling on the media prematurely.
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