| 摘要 |
An image information reading device for optically scanning an original document placed on a document base with use of an optical system including a light source and a beam condensing fiber lens and a reading device including a photoelectric converter to thereby read out the image information of the document; comprising an adjusting member for adjusting the vertical positions of guide members reciprocatably supporting and guiding the reading device to achieve a parallel relation between parts in the reading device, the fiber lens whose optical axis is disposed parallel to the document, and a printed circuit substrate mounted with circuits for processing of an output signal of the photoelectric converter and disposed parallel to the document surface and under the fiber lens, whereby the apparatus can be made thin and small in weight. Further, the respective parts of the reading device are fixed to a single block, thus improving the assembling accuracy of the respective parts.
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