High-Voltage Power Supply - Brother MFC8420 Service Manual

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CHAPTER 3 THEORY OF OPERATION

High-voltage power supply

The high-voltage power supply generates and outputs the voltages and currents for the

charging, development and transfer functions.

For the circuit diagram of the high-voltage power supply PCB, see

'HIGH-VOLTAGE POWER SUPPLY PCB CIRCUIT DIAGRAM'

in this manual.

Photosensitive

APPENDIX 4.17 or 4.18

Transfer Roller

Cleaning Brush

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