Functional Construction - Canon ImageRunner iR8500 Series Service Manual

Chapter 3
Printer unit
The symbol

3.1.3 Functional Construction

iR85+
The machine is divided into the following four functional blocks
- Laser exposure system
- Image formation system
- Pickup/feeding system
- Control system
3-2
J6802
LCD panel
(LCD)
J6803
Control
J3 J2
panel
CPU
J1
Inverter
PCB
PCB
J6804
J1017
HDD
J1551
Card
J1024
Reader-D1
(option)
Controller block
J1532
Copy Data
J1022
Controller
(option)
J1530
J1015
Image line
conversion
PCB
J1451
in the diagram indicates the connection between major PCBs, not the direction of signals.
J6807
Key PCB A
J6605
J6808
Key PCB B
J6901
J6601
J6806
Key PCB C
J6805
J6602
J6801
J1018
Reader unit
J1104
J9202
J9201
Differntial
PCB
J1014
F-3-2
0008-8662