Service manual

COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 6 IMAGE FORMATION SYSTEM
6-1
I. OVERVIEW
A. Construction
The principal components of image formation system are shown in the diagram
below.
This unit’s image formation system uses a cartridge system. The principal compo-
nents are the photosensitive drum, primary charging roller, processing cylinder, drum
cleaner and toner. These are integrated to form the cartridge system.
The DC controller PCB has a built-in high-voltage output assembly, and high-voltage
is output for the charging, with the designated timing.
Figure 6-101
DC power
supply PCB
DC controller
PCB
High-
voltage
output unit
Drum
Primary charging roller
Developing cylinder
Transfer charging roller
Charge
eliminator
Cartridge
Blade
Toner sensor
JH401
JH402
JH406
JH403
JH404
JH405
Re-charge
eliminator
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