Specifications
CHAPTER 4 IMAGE FORMATION SYSTEM
COPYRIGHT
©
1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
4-5
Figure 4-103
Main
transformer
T101
PR_DC_ON
J103
-5
J203
-5
PDC_PWM
DC bias control signal
P_C_S
DC bias current detection signal
PDC_S
DC voltage monitor signal
Photosensitive
drum
Primary
charging
roller
Microprocessor (Q900)
Microprocessor (Q101)
DC controller PCB
Composite power supply PCB
Serial communication
Voltage
separation
circuit










