Canon LBP 2460 Service Manual - Page 64

CHAPTER 2 C. High-Voltage Power Supply J701-B5 /HV1FRQ J701-B7 /HVT1DCD J701-A6 DENADJ J701-B8 /DBDCD J701-A7 /DBACD J701-A8 /DBFRQ J701-A5 TONRS J701-B1 HVTVLTD J701-A1 HVTS J701-A2 /HVTRVSD DC Transformer Drive Circuit AC Transformer Drive Circuit AC Current detection Circuit Image Density Adjustment Circuit [T701] DC Transformer AC Transformer Drive Circuit [T702] Primary AC HV1 Transformer Primary DC Generation Circuit Developing DC Generation Circuit [T703] Developing AC HVDB Transformer Transfer Positive Voltage Transformer Drive Circuit Transfer Negative Voltage Transformer Drive Circuit Transfer Positive Voltage Sense Circuit [T705] Transfer Negative Voltage Transformer Toner detection Circuit [T704] Transfer Positive Voltage Transformer Negative Voltage Generation Circuit TB701 To primary charging roller TB702 To developing cylinder TB703 From toner sensor To transfer charging roller J701-B2 /HVTCRTD Transfer Constant Current Control Circuit J701-B4 /DCHGBD J701-B6 /DCHGUP J701-B3 /HRLBD J701-A10 +24VB J701-B10 +24VB J701-A9 GND J701-B9 GND Discharge Voltage Transformer Drive Circuit Upper Fixing Roller Voltage Transformer Drive Circuit +24V [T707] Discharge Voltage Transformer [T706] Upper Fixing Roller Voltage Transformer Discharge Voltage DCHGB TB706 Generator Circuit To static charge eliminator Upper Fixing Roller Voltage generation Circuit HRLB TB705 To upper fixing roller +24V +21.5V Reference Voltage Power Supply GND TB704 2 - 18 Figure 2-2-12