Bias Types - Canon imageRUNNER ADVANCE C3325 Series Service Manual

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Technical Explanation > Image Formation System > Overview > Bias Types

■ Bias Types

The following 5 types of bias are used with this machine.
Bias
Bias name Application location
types
Primary charging bias (DC) DC Primary Charging Roller Secondary Transfer High Voltage PCB
Developing bias (DC) DC Developing Cylinder
Developing bias (AC) AC
Primary transfer bias DC Primary Transfer Roller
Secondary transfer bias DC Secondary Transfer
Outer Roller
The abovementioned biases are generated by the 2 High Voltage PCBs and are also supplied
to the loads used in printing process.
Y M C
2 Technical Explanation > Image Formation System > Overview > Bias Types
Control PCB
(UN03)
Primary Transfer High Voltage PCB
(UN02)
Secondary Transfer High Voltage PCB
(UN03)
UN02
Primary Transfer DC
Primary Transfer
High-voltage PCB
UN03
BK
Secondary
Transfer
High-voltage
Secondary
PCB
Transfer DC
Charging DC
UN04
DC Controller
PCB
F-2-47
T-2-18
2-35
2-35