Supply - Canon LBP-3260 Service Manual

CHAPTER 2
C. High-Voltage Power Supply
PR1ACCLK
J701-B7
/PR1ACD
J701-B8
/PR1DCD
J701-B9
HVTCLK
J701-A6
DENADJ
J701-B10
/DEVDCD
J701-A9
/DEVACD
J701-A7
DEVACCLK
J701-A8
TONSNS
J701-A10
/TRFCCD
J701-A3
TRFVCNT
J701-A1
TRFCLK
J701-A4
TRFVSNS
J701-A2
/TRFNVD
J701-B1
/HRLBD
J701-B2
/DCHGBD
J701-B3
/DCHGUP
J701-B4
+24VB
J701-A12
+24VB
J701-B12
GND
J701-A11
GND
J701-B11
2 - 16
AC Transformer
Drive Circuit
AC Transformer
Drive Circuit
Image Density
Adjustment Circuit
DC Transformer
Drive Circuit
AC Transformer
Drive Circuit
Transfer Constant Current
Control Circuit
Transfer Positive Voltage
Transformer Drive Circuit
Transfer Positive
Voltage Sense Circuit
Transfer Negative
Transfer Negative
Voltage Transformer
Voltage Transformer
Drive Circuit
Upper Fixing Roller
Upper Fixing
Voltage Transformer
Roller Voltage
Drive Circuit
Transformer
Discharge Voltage Discharge
Transformer Drive Voltage
Circuit Transformer
+24V
+24V
Reference
Voltage
Power Supply
Figure 2-2-10
[T701]
Primary AC
Transformer
AC Current
detection Circuit
[T702]
Primary DC
Transformer
Developing DC
Transformer
[T703]
Developing AC
Transformer
Toner detection
Circuit
[T705]
Transfer Positive
Voltage
Transformer
[T706]
Negative Voltage
Generation Circuit
[T707]
Upper Fixing Roller
Voltage generation
Circuit
[T708]
Discharge
Voltage
Generator Circuit
+21.5V
PR1 TB701
To primary
charging roller
[T704]
DEV TB702
To developing
cylinder
TB703
TONANT
From toner
sensor
To transfer
charging roller
HRLB TB705
To upper fixing
roller
DCHGB
TB706
To static charge
eliminator
GND TB704