Epson Stylus CX3100 - Scanner Mechanism; Electric Circuit

EPSON Stylus CX3100/3200 Revision A
Operating Principles Overview 15
2.1.1.2 Scanner Mechanism
The scanner consists of the Scanner Carriage Unit comprising the CCD for capturing
images and the light source for illuminating the document, the Scanner Motor and
Timing Belt for moving the scanner carriage unit along the document surface, and the
Scan HP Detector for detecting the position of the scanner carriage unit.
Figure 2-2. Scanner Mechanism
2.1.2 Electric Circuit
The electric circuit boards of Stylus CX3100/3200 are as follows:
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C497MAIN Board (main circuit board)
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C497PSB/C497PSE Board (power supply circuit board)
This circuit board supplies the following voltages:
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+3.3V: For logic
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+42V: Driving power
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+12V: Power to the scanner
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Scanner circuit board
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Panel circuit board
Figure 2-3. Electric Circuit Block
Scanner Carriage Unit
Scanner Motor
Scanner HP
Detector
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