Toshiba e-STUDIO200L Service Manual page 157

3) Carriage-2
The carriage-2 consists of the mirror-2, mirror-3, etc. and leads the reflected light from the mirror-1
through the mirrors-2 and –3 to the lens.
This carriage is also driven by the scan motor as in the same manner of the carriage-1 at half the
scanning speed of the carriage-1. (The scanning distance is also half that of the carriage-1.)
4) Lens unit
The light reflected from the mirror-3 is led to the CCD placed at the focal point of the lens which is
fixed at this position.
5) CCD driving PC board (CCD board)
This is a board to convert the optical image signal which has been converted by the CCD into an
analog signal.
6) Automatic original detection sensor (APS sensor)
The size of an original placed on the glass is instantly detected using the APS sensor fixed on the
base frame without moving the carriage-1.
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Mirror-2
Mirror-3
Fig. 6-4
Lens unit
CCD board
Fig. 6-5
6 - 3
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