2Major Components; Major Components - Canon iR4570 Series Service Manual

Chapter 5
Item
CCD
CIS drive control
Original size
identification
The particulars of control differ depending on the selected magnification. For
details, see "Changing the Magnification."

5.1.2 Major Components

iR2270 / iR2870 / iR3570 / iR4570
The machine's original exposure system consists of the following major components:
5-2
Description
number of lines: 1
Number of pixels: Total 7488 (Number of effective pixels:
7180)
maximum original read width: 304 mm
by reader motor (M501)
[1]Book Mode
in main scanning by reflection type sensor (AB/Inch)
direction:
in sub scanning by reflection type sensor (AB/Inch)
direction:
[2]ADF Mode
width: by original width value in ADF
length: by photo sensor in ADF
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