Canon 7086 Series Service Manual - page 191
Chapter 5
5-5
F-5-4
F-5-5
Scanner motor
M501
2-phase pulse motor (pulse control)
Reader Cooling fan
FM501
cools the reader block
ADF open/closed sensor 1
PS501
detects the state (open/closed) of the ADF; at 5 deg
Scanner HP sensor
PS502
detects scanner home position
ADF open/closed sensor 2
PS503
detects the state (open/closed) of the ADF (detects timing of size detection at 25 deg)
Original size sensor (AB)
---
detects the size in sub scanning direction (AB-configuration)
Original size sensor (inch)
---
detects size in sub scanning direction (inch)
Mirror
---
No. 1, 2, 3 mirrors
Inverter PCB
---
drives the scanning lamp
CCD unit
---
collects image data, performs analog image processing
Reader controller PCB
---
controls the reader unit as a whole, performs digital image processing
Item
Notation
Description
Interface PCB
Scanning lamp
Inverter PCB
CCD unit
Reader controller PCB
Original size sensor
(inch)
Original size sensor
(A/B)
ADF
open/closed sensor
Scanner motor
Scanner
HP sensor
Reader cooling fan 2
Reader cooling fan 1
Platen glass
Original
scanning lamp
Lens
CCD
No. 1 mirror
No. 1 mirror base
No. 2 mirror
No. 2 mirror base
No. 3 mirror
HP
Image leading edge
Size detection
Stream reading position
(start position)