43827101TH Rev.2 83 /Oki Data CONFIDENTIAL4.2.12 Low-Voltage Power Supply / Low-Voltage Fan / Hopping Motor / Fuser Motor(1) Remove the cassette assembly.(2) Disassemble the print engine controller PCB. (See Subsection 4.2.7.)(3) Disassemble the CU PCB. (See Subsection 4.2.6.)(4) Disconnect all the cables from the Guide Cable PowerLow.(5) Unplug the fuser I/F connector from the low-voltage power supply, and remove Guide CablePowerLow 1 by releasing the two claws.(6) Remove two screws (silver) 2 and four connectors (CN1, CN2, CN3), and disassemble low-voltage power supply 3. At the same time, remove screw 4 to disassemble AC inlet Assy5.(7) Release claw C, and remove low-voltage fan 6.(8) Detach motor cover 7 by releasing two claws D and claw E.(9) Remove two screws (silver) 8, unplug the connector, and disassemble hopping motor 9.(10) Remove four screws (silver) 0, unplug the connector, and disassembleFuser Motor A.(11) Remove three screws (silver) B, unplug the connector, and disassemble ID motor C.Note! • When reassembling low-voltage fan 6, confirm the direction.• When reassembling low-voltage power supply 3, check the setting of the AC inputvoltage.120-V system: Install a short-circuit plug to connector CN6.230-V system: Do not install a short-circuit plug to connector CN6.• Replace low-voltage power supply 3 and AC inlet assembly 5 together in a pair.(Parts approved in a pair under Safety Standard) (they were in a pair qualified toapplicable safety standards).Figure 4-2-12 Low-Voltage Power Supply / Low-Voltage Fan / Hopping Motor / Fuser MotorAirCN3PU PCBPOWER connectorCN1CN2CN633AB267C892451Short-circuit plug for CN67Claws EClaws DClaws CNotes!CN6: Switching connector for AC input voltage settingShort-circuit plug to be equipped for 100-V system/Short-circuit plugnot to be equipped for 230-V systemAC switchFuser unit I/F connectorLow-voltage power supply00
