3Construction Of The Control System; Construction Of The Control System - Canon iR4570 Series Service Manual

Chapter 5
[10]
[11]
[12]
*Optional. (100/230-V model only).

5.1.3 Construction of the Control System

iR2270 / iR2870 / iR3570 / iR4570
The machine's control system is constructed as follows:
[4]
[1]
[10]
F-5-2
[1] Connection to ADF
[2] Connection to printer body
[3] Printer body (connected to main controller PCB)
[4] Connection to ADF
[5] Reader controller PCB
[6] Reader motor drive control
5-4
Item Notation
Contact image sensor -
(CIS)
CIS HP sensor PS503
Cupboard cover PS502
open/closed sensor
[8]
Description
uses LEDs for indirect exposure (LED +
photoconducting body)
photo interrupter: detects CIS home
position
ends original size identification with the
copyboard cover at 5 deg.
0006-5715