Scanner Mechanism; Electric Circuit - Epson Stylus CX3100 Service Manual

EPSON Stylus CX3100/3200

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.
Document
Scanner HP
Detector
Figure 2-2. Scanner Mechanism
Operating Principles
Scanner Carriage Unit
Scanner Motor

2.1.2 Electric Circuit

The electric circuit boards of Stylus CX3100/3200 are as follows:
C497MAIN Board (main circuit board)
C497PSB/C497PSE Board (power supply circuit board)
This circuit board supplies the following voltages:
+3.3V: For logic
+42V: Driving power
+12V: Power to the scanner
Scanner circuit board
Panel circuit board
Figure 2-3. Electric Circuit Block
Overview
Revision A
15