Table of Contents
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CHAPTER 3 FUNCTION AND ARRANGEMENT OF THE ELECTRICAL PARTS
D.
PCBS.
Symbol
[1]
DC controller PCB
[2]
Power supply assembly
[3]
AE sensor PCB
[4]
Lamp regulator PCB
[5]
High voltage transformer
PCB
Control panel PCB
[6]
DC power supply PCB (for
[7]
sorter)
DC power supply PCB (for
[8]
ADF)
Noise filter PCB
[9]
Copy density volume PCB
[10]
Power indicator PCB
[11]
3-4
[4]
[8]
[9]
[5]
[2]
[7]
Name
[11]
[6]
[10]
[3]
[1]
Figure 3-4
Controlling operations
Powering the fixing roller heater and supplying DC
power to the copier
Measuring the document density
Contolling scanning lamp voltage
Supplying high voltage for primary and transfer
assemblies and developing bias
Controlling the control panel
Supplying power to the sorter
Supplying power to the ADF
Preventing noise
Controlling copy density
Indicates power on
Function
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Troubleshooting
