Canon Plain Paper Copier Manuel D’Utilisation
3–35
OPERATIONS AND TIMING
COPYRIGHT © 1998 CANON INC.
CANON NP6621 REV.0 FEB. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
III. IMAGE FORMATION
SYSTEM
A. Outline
The machine’s image formation system con-
sists of the following:
• Controls the scanning lamp.
• Controls the primary charging.
• Controls the transfer charging.
• Controls the separation static eliminator.
• Controls the developing bias.
• Controls the blank exposure lamp.
• Controls the primary charging.
• Controls the transfer charging.
• Controls the separation static eliminator.
• Controls the developing bias.
• Controls the blank exposure lamp.
Figure 3-301
DC controller
PCB
Q301
Microprocessor
AE sensor
Scanning lamp
Copyboard
Lens
Blank exposure
unit
unit
Primary
charging
roller
charging
roller
Composite power
supply
supply
Scanning lamp
ON control circuit
Microprocessor
High-voltage
circuit
T1
T2
T5
T2
T5
Static
eliminator
eliminator
Developing cylinder
Transfer
roller
roller