5. Remove the Low Voltage Unit [1]• 3 connectors [2][1][2]3xRemoving the Fixing Sub PCB■ Preparation1. Removing the Right Cover.(Refer to “Removing theRight Cover” on page 120)2. Removing the Controller Cover.(Refer to “Removingthe Controller Cover” on page 157)3. Removing the Wireless LAN PCB.(MF728Cdw /727Cdw / 724Cdw only) (Refer to “Removing theWireless LAN PCB (MF728Cdw / 727Cdw / 724Cdw)”on page 157)4. Removing the Main Controller PCB.(Refer to“Removing the Main Controller PCB” on page 157)5. Removing the Main Controller Support Plate.(Referto “Removing the Main Controller Support Plate” onpage 161)6. Removing the FAX PCB.(MF728Cdw / 727Cdw /725Cdn only) (Refer to “Removing the FAX PCB(MF728Cdw / 727Cdw / 725Cdw)” on page 171)7. Removing the Fixing/Fixing Power Supply CoolingFan Unit.(Refer to “Removing the Fixing/FixingPower Supply Cooling Fan Unit” on page 180)■ Procedure1. Remove the PCB Fixation Plate [1] (FAX model only).• 2 Screws [2][1][2]2x2. Remove the wire harness [1], and remove the wireharness guide [2].• 3 connectors [3]• 4 fixing guides [4]• 1 claw [5][2][5][3][3][1][4]4x1x3x4. Disassembly/Assembly166
