Table of Contents
3.9.3
Functions
The following shows the construction and purpose of the scanning system:
1. 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.
2. Scanning section control PC 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 an 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. 3-34
e-STUDIO5540C/6540C/6550C/5560C/6560C/6570C
3 - 63
OUTLINE OF THE MACHINE
3
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