High-Voltage Power Supply, Sr Pcb - Brother HL-820 Service Manual
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Also See for HL-820:
- Service manual (305 pages) ,
- User manual (91 pages) ,
- Quick setup manual (42 pages)
Table of Contents
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1.5.2
High-voltage Power Supply
This generates and outputs the voltages and currents for the charging, development and
transfer functions.
R1
Current
24VI
Regulator
B1
Voltage
Regulator
VR22
Current
Regulator
B81
Voltage
Regulator
B101 Q101
GND
Current
Regulator
B121 Q121
PAPER
SENSOR
Voltage
Regulator
PC141
Z51
Voltage
Regulator
VR71
Voltage
Regulator
VR61
Q81
VR51
Fig. 2-28
II-25
Transfer Roller
Supply
Roller
Photosensitive
Drum
Developing
Cleaner
Roller
Roller
Corona
Unit
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Troubleshooting
