Major Components (When The Original Size Detection Sensor Is Not Equipped For Book Mode) - Canon iR2422 series Service Manual

Major components of the original exposure system are as follows:
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*1 Option setting

4.1.4 Major Components (When the original size detection sensor is not equipped for BOOK mode)

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Component
Copyboard cover open/close
sensor (Rear: SR402)
Reader controller PCB
Original sensor 3
Original sensor 4
Original sensor 5
Reader motor
Reader heater*1
Original sensor 1
Original sensor 2
Contact image sensor (CIS)
CISHP sensor
Copyboard cover open/close
sensor
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F-4-1
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.
- Prevents condensation inside the original glass.
SR404 Detects the original size (AB, INCH/A, INCH/AB).
SR405 Detects the original size (AB, A, INCH/AB)
- Uses LEDs for indirect exposure (LED +
Photoconductor)
SR401 Photo interrupter: Detects the CIS position.
SR403 Finishes detecting the original size when the
copyboard cover angle is 5 deg.
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Chapter 4
0020-4222
4-3