Toshiba e-STUDIO 2555C Service Manual page 84

3. Carriage-2
Carriage-2 mainly consists of the mirror-2, mirror-3, etc. and directs the reflected light from the
mirror-1 through the mirrors-2 and -3 to the lens.
This carriage is driven by the same scan motor (M1) as that for the carriage-1 at half the scanning
speed of the carriage-1 (The scanning distance is also half that of the carriage-1).
[1] Mirror-2
[2] Mirror-3
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 in a position.
5. CCD driving PC board (CCD)
Processes such as signal amplification, signal integration and A/D conversion are applied on the
electrical signal which was converted by CCD.
[1] Lens
[2] CCD board
6. Automatic original detection sensor (S24, S25)
The size of an original placed on the glass is instantly detected using the automatic original
detection sensors (S24, S25) fixed on the base frame without moving the carriage-1.
e-STUDIO2555C/3055C/3555C/4555C/5055C
OUTLINE OF THE MACHINE
[1]
[2]
Fig. 3-20
[2]
[1]
Fig. 3-21
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