Major Components - Canon iR7086 Series Service Manual

Original size detection

5.1.3 Major Components

iR7105 / iR7095
The major components of the original exposure system are as follows:
Item
Scanning lamp
Scanner motor
Reader Cooling fan 1
Reader Cooling fan 2
ADF open/closed sensor
Scanner HP sensor
Original size sensor (AB)
Original size sensor (inch)
Mirror
Inverter PCB
CCD unit
Reader controller PCB
Item
[1]book mode
sub scanning direction: by reflection type sensor
main scanning direction: by CCD
[2] ADF mode
main scanning direction: by slide guide in ADF
sub scanning direction: by photosensor in ADF
Notation
LA1 xenon lamp (120,000 lx)
M501 2-phase pulse motor (pulse control)
FM501 cools the reader block
FM502 cools the reader block
PS501 detects the state (open/closed) of the ADF; at 25 deg
PS502 detects scanner home position
--- detects the size in sub scanning direction (AB-configuration)
--- detects size in sub scanning direction (inch)
No. 1, 2, 3 mirrors
---
drives the scanning lamp
---
collects image data, performs analog image processing
---
controls the reader unit as a whole, performs digital image processing
---
Description
T-5-3
Description
Chapter 5
0010-7882
5-3