Major Components - Canon imageRUNNER 2270 Service Manual

5.1.2 Major Components

The machine's original exposure system consists of the following major components:
[2]
[1]
[12]
[7]
[11]
F-5-1
Item
[1] Original cover open/
closed sensor (rear)
[2] Reader controller PCB
[3] Original sensor 3
[4] Original sensor 4
[5] Original sensor 5
[5]
[4]
[3]
[10]
T-5-2
Notation
PS501
-
PS506
PS507
PS508
[6]
[7]
[9]
Description
photo interrupter: detects the state (open/
closed) of the copyboard cover; starts original
size indication when the original cover is at 25
deg.
controls the drive of the reader unit, and
controls image processing
helps identify original size (for all destinations)
helps identify original size (AB, Inch/AB)
helps identify original size (Inch/A)
Chapter 5
0006-5714
[8]
5-3