| 摘要 |
A method and apparatus for optically scanning a media sheet effectively advances the media sheet relative to a light source. The media sheet is logically divisible into linear portions. Each linear portion has a number of positions. The linear portions are irregularly spaced relative to one another. As the light source becomes incident to each position of each linear portion of the media sheet, the light reflected by the position is optically detected to optically scan the position.
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