| 摘要 |
A media drive and imaging apparatus such as a document scanner is provided. The apparatus is provided with a rotatable, tubular platen which incorporates one or more light exposure sources or illuminators, and an raster input bar assembly, optionally one or more sensors, and other imaging components and structures inside the tube. The document scanner is also equipped with a pinch roller mechanism which forms a nip with the outside of the tubular platen to pull a document through the apparatus during operation as the document is scanned.
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