Major Components <Ir7086 - Canon imageRUNNER 7095 Service Manual

Chapter 5
5.1.4 Major Components <iR7086>
The major components of the original exposure system are as follows:
Item
Scanning lamp
Scanner motor
Reader Cooling fan
ADF open/closed sensor 1
Scanner HP sensor
ADF open/closed sensor 2
Original size sensor (AB)
Original size sensor (inch)
Mirror
Inverter PCB
CCD unit
Reader controller PCB
open/closed sensor 1
No. 2 mirror base
5-4
Notation
LA1 xenon lamp (90,000 lx)
M501 2-phase pulse motor (pulse control)
FM501 cools the reader block
PS501 detects the state (open/closed) of the ADF; at 5 deg
PS502 detects scanner home position
PS503 detects the state (open/closed) of the ADF (detects timing of size
detection at 25 deg)
--- 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
Original size sensor
Interface
PCB
Reader cooling fan
ADF
Scanner
HP sensor
ADF
open/closed sensor 2
Stream reading position
(start position)
No. 2 mirror
No. 1 mirror
No. 3 mirror
T-5-4
Description
Scanner motor
Original size sensor
(inch)
(A/B)
Reader controller
Scanning lamp
F-5-4
Image leading edge
HP Size detection
Original
No. 1 mirror base
scanning lamp
F-5-5
PCB
CCD unit
Inverter PCB
Platen glass
CCD
Lens
0011-1912