43856301TH Rev.3 73 /Oki Data CONFIDENTIAL 4. Component replacement4.2.15 Low voltage power supply/Low voltage FAN/Hopping motor/ Fuse motorAir Claw DClaw ECN3PRN PCBPOWER connectorAC switchFuser I/F connectorLow-voltage power supplyCN1CN2CN6For CN6Short plugNote! CN6: A connector used to switch the AC input voltage setting100V short plug is mounted/ 230V short plug is not mounted.(1) Take the cassette Assy out.(2) Remove the print engine controller PCB. (See section 4.2.9)(3) Remove the control PCB. (See section 4.2.8)(4) Remove all cables from Guide cable PowerLow.(5) Remove the fuse I/F connector from low voltage power supply, disengage theclaws (2 places), and remove the Guide cable PowerLow .(6) Remove the two screws (silver) and four connectors (CN1, CN2, CN3), andremove the low voltage power supply .At the same time, remove the screw and remove the AC inlet Assy .(7) Disengage the claw C and remove the low voltage FAN .(8) Disengage the claw D(2 places) and claw E, and remove the motor cover .(9) Remove the 3 or 4 screws (silver) and connector, and take the fuse motor out.(10) Remove the three screws (silver) and connector, and take the ID motor out.Notes! • Be careful to install the low voltage FAN in the proper direction.• Please confirm the setting of AC input voltage when installing the lowvoltage power supply .100V: the short plug is mounted to the connector CN6230V: the short plug is not mounted to the connector CN6• Low-voltage power supply and AC Inlet Assy should be replacedtogether.(The pair of low-voltage power supply and AC Inlet Assy meetsthe safety standards.)• The number of screws varies between fuser motors.Three screws: 43963301 (Sanyo)Four screws: 43070601 (Nidec)Warning Risk of Electric ShockThere is a risk of electric shock during replacement of the low voltage powersupply.Use insulating gloves or avoid direct contact with any conducting part of thepower supply, and caution should be exercised during replacement.The capacitor may take one minute to complete discharge after the AC cordis unplugged. Also, there is a possibility that the capacitor doesn’t dischargebecause of a breakage of the PCB, etc., so remember the possibility ofelectric shock to avoid electric shock.
