Functional Construction - Canon SmartBase 1270D Service Manual

CHAPTER 4 OPERATION

1.2 Functional Construction

The machine may broadly be divided into the following 7 functional blocks:
<System Used for Communication
with External Devices>
Printer Controller PCB
Modular Jack
PCB
*1
NCU PCB
Control panel
Image processor PCB
<Control System>
DC controller PCB
<Fixing System>
Delivery tray
4-4
COPYRIGHT © 2002 CANON INC.
<Image Reading/Processing System>
*1
Analog processor PCB
Laser driver/BD PCB
<Image Formation System>
Drum cleaning
Fixing
Feeding
*1 : If equipped with fax functions.
2000 2000 2000 2000
Original
Contact sensor
Charg-
ing
Drum
Sepa-
ration
Cassette
F04-102-01
CANON SmartBase PC1210D/1230D/1270D REV. 1 MAR. 2002
<Laser Exposure System>
Laser scanner
Development
Trans-
fer
Manual feed tray
<Pickup/Feeding System>