Major Components (Ir2030I/Ir2030/Ir2025I/Ir2025/Ir2022I/Ir2022) - Canon iR2030 Series Service Manual

Chapter 4
Item
Carriage position
detection
Magnification range
Lens
CMOS sensor
CIS drive control
Original size detection
*1 The control method depends on the magnification. For more details, refer to "Magnification Change".

4.1.3 Major Components (iR2030i/iR2030/iR2025i/iR2025/iR2022i/iR2022)

iR2022i / iR2025 / iR2030 / iR2022
Major components of the original exposure system are as follows:
[1]
[2]
[3]
[4]
[5]
[6]
4-2
Function/Method
Contact image sensor (CIS) HP sensor (SR401)
50% to 200%
Vertical scan direction:
Horizontal scan direction:
BOOK mode:
Rod lens array
Number of lines: 1
Number of pixels: Total 7488 (incl. 7176 effective pixels)
Maximum original scan width: 304 mm
Drive control by reader motor (M401)
[1] BOOK mode: not used
[2] When ADF is used
Width:
Length:
[3]
[2]
[1]
[12]
[7]
[11]
Component
Copyboard cover open/close
sensor (Rear: SR402)
Reader controller PCB
Original sensor 3
Original sensor 4
Original sensor 5
Reader motor
Image processing is by image processor PCB
Carriage movement speed change and image
processing by image processor PCB *1
Original feed speed change and image processing by
ADF mode:
image processor PCB *1
Detection by original width sensor PCB in ADF
Detection by photo sensor in ADF
[5]
[6]
[4]
[10]
F-4-1
T-4-3
No. Function/Specification
SR402 Photo interrupter: Detects the copyboard cover open/
close status. Starts detecting the original size when the
copyboard cover angle is 30 deg.
- Controls drive of the reader unit and image processing.
SR406 Detects the original size (for all destinations).
SR407 Detects the original size (AB, INCH/AB).
SR408 Detects the original size (INCH/A)
M401 Pulse motor: Controls drive of the carriage.
[7]
[8]
[9]
0017-5568