Functions - Toshiba e-STUDIO556 Service Manual

3.8.3

Functions

The construction and purpose of the scanning system are described in this section.
1. CCD board (CCD)
Processes such as signal amplification, signal integration and A/D conversion are applied on the
electrical signal which was converted by CCD.
2. SLG board (SLG)
This is a board to perform the image correction, such as the shading correction and 3-line
correction, and control the scan motor (M1) and exposure lamp (EXP).
3. Automatic original detection sensor (S1-5)
The size of the original placed on the glass is instantly detected using the automatic original
detection sensors (S1-5) fixed on the base frame without moving the carriage-1.
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Lens unit CCD driving PC board
Fig. 3-31
3 - 51
e-STUDIO556/656/756/856(Ver03)
OUTLINE OF THE MACHINE
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