CHAPTER 11 TROUBLESHOOTING
COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
11-84
D.
PCBs
Figure 11-604
Description
Removes noise from the power supply.
Controls sequence of operations.
Supplies DC power, generates high voltage, and
controls the scanning lamp.
Makes an electrical connection between the machine
top and bottom.
Provides copying insurrections/indications.
Detects paper in front of the registration roller.
Detects the density of originals.
Used for blanking exposure.
Used for blanking exposure.
Used for pre-exposure.
Ref.
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
[10]
Name
Noise filter PCB
DC controller PCB
Composite power supply PCB
High-voltage contact PCB
Control panel PCB
Sensor PCB
AE sensor PCB
Blanking PCB (front)
Blanking PCB (rear)
Pre-exposure PCB
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
[10]
[1]
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