Pcbs - Canon NP6412 Service Manual

CHAPTER 3 ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS
D.

PCBs

Ref.
[1] Noise filter PCB
[2] DC controller PCB
[3] Composite power supply PCB
[4] High-voltage contact PCB
[5] Control panel PCB
[6] Sensor PCB
[7] AE sensor PCB
[8] Blanking PCB (front)
[9] Blanking PCB (rear)
[10] Pre-exposure PCB
3-4
[3]
[4]
[1]
[7]
Figure 3-4
Name
[9]
[10]
[8]
[2]
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.
[5]
[6]