Oki ML420 Maintenance Manual
Also see for ML420 Series: Specification sheetUser guideUser guideInstallationInstallation
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Contents
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Oki Data CONFIDENTIAL42113931TH Rev.1 68 /3.3.15 Power Supply Unit, Sensor PCBRisk of Electric ShockThere is a risk of electric shock during replacement of the power supply.Use insulating gloves or avoid direct contact with any conducting part of the power supply, andcaution should be exercised during replacement.The capacitor may take one minute to complete discharge after the AC cable is unplugged. Also,there is a possibility that the capacitor doesn’t discharge because of a breakage of the PCB, etc.,so remember the possibility of electric shock to avoid electric shock.CDA7A843312456B903(1) Remove the upper cover (see 3.3.4 (1) – (5)).(2) Disconnect the cable 3 from the connector 2 the Main Control PCB 1.(3) Remove two screws 4, and remove the Power Supply Assy.(4) Remove the cable 3 from the connector 6 on the Power Supply Unit 5.(5) Remove the cable 7 from the connector 8 on the Power Supply Unit 5.(6) Remove the cable 3 from the connector 0 on the Sensor PCB 9.(7) Remove four screws A, and remove the Power Supply Unit 5.(8) Remove the screw B, and remove the Sensor PCB 9.(9) To install, follow the removal steps in the reverse order.Remark on assembly:(1) To mount the Power Supply Unit 5 and Sensor PCB 9, set the change lever to thetop position so that the Switch Lever C will not hooked on the microswitches D. |
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