Oki Data CONFIDENTIAL42930511TH Rev. 2 26 /Output Voltage+5V (1)+5V (2)+5V (3)+24VPurposePU, Logic Circuit Power SourceLED HeadCUFor Monitor Drive2.3 Power UnitThis is a high voltage power unit consisting of high voltage power source circuit and a low voltagepower unit composed of a power unit consists of an AC filter circuit, low voltage power source circuitand heater drive circuit.(1) Low Voltage Power UnitThis circuit generates the following voltage.(2) High Voltage Power UnitThis circuit generates the following voltage that is more powerful than +24V necessary forthe electrophotographic process, according to the control sequence from the control PCB.OutputCHDBSBBBTRVoltage-0.8 to -1.4kV-100 to -450V/250V-300 to -700VDrop from SB Output with Zener0 to 7kVPurposePower to Electrification RollerPower to Development RollerPower to Toner Supply RollerPower to Development BladePower to Transfer RollerRemarks