Original Exposure System; Overview; Major Components - Canon M3010 Series Service Manual

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Technical Overview > Original Exposure System > Major Components

Original Exposure System

Overview

item
document exposure LED
document scan Scan by the shift of the CIS Unit
scanning resolution 600 dpi x 400 dpi, 600 dpi x 600 dpi (Horizontal x Vertical)
number of gradations 256 gradations
magnification 50 % to 200 % (10 % increment)
Horizontal: image processing by Main Controller PCB
Vertical: change of carriage shift speed, image processing by Main
Controller PCB
lens CIS / Color
CIS Unit number of lines: 1 line
number of pixels: 5148 pixels as total pixels (5104 pixels as effective
pixels)
maximum document scanning width: 216 mm
CIS Unit drive control drive control by Reader motor (M3)
document size detection none
2 Technical Overview > Original Exposure System > Major Components
function / method
T-2-2

Major Components

Followings are the major components for Document Exposure System.
• The CIS Unit to scan document
• The Reader motor, the drive pulley, the drive belt, to shift the CIS Unit
In image scanning control, the CIS Unit is shifted by rotating the Reader motor based on the
drive signal from the Engine Controller PCB and scan the original on the copyboard glass.
Reader Motor(M3)
Drive Pulley
2-7
Drive Belt
Drive Pulley
CIS Unit
F-2-5
2-7