| 摘要 |
<p>A scanner having a frame assembly (15) for supporting a movable document reading head (17) for scanning movement in a scanning path in a first direction (33a) has a document transport (35, 42) to transport a document (14) through the scanner and a drive (31, 32) to move the reading head (17) across the document (14) to read at least a portion of the document (14), the reading head (17) having an optical imaging assembly (21, 23, 26) including a frame (57) supporting an imaging platen (54), the scanner including a floating document backstop (76) opposite the imaging platen (54) and extending across the scanning path to precisely position a document on the platen (54) during an imaging operation: In a preferred embodiment the scanner includes a printing head (25) with a comounted printing head. <IMAGE></p> |
