Removing the Low VoltageUnit■ Preparation1. Removing the Right Cover.(Refer to “Removing theRight Cover” on page 120)2. Removing the Right Front Cover.(Refer to“Removing the Right Front Cover” on page 121)3. Removing the Controller Cover.(Refer to “Removingthe Controller Cover” on page 157)4. Removing the Wireless LAN PCB.(MF728Cdw /727Cdw / 724Cdw only) (Refer to “Removing theWireless LAN PCB (MF728Cdw / 727Cdw / 724Cdw)”on page 157)5. Removing the Main Controller PCB.(Refer to“Removing the Main Controller PCB” on page 157)6. Removing the Main Controller Support Plate.(Referto “Removing the Main Controller Support Plate” onpage 161)7. Removing the Fixing/Fixing Power Supply CoolingFan Unit.(Refer to “Removing the Fixing/FixingPower Supply Cooling Fan Unit” on page 180)■ Procedure1. Free the harness [1] from the guide [A].• 1 Connector [2]2. Free the harness [3] from the guide [B].• 1 Connector [4][A][1] [2][B][3][4]2x2x3. Slide and open the Power Supply Unit [1] in thedirection of the arrow.• 6 Screws [2]• 1 Screw [3] (Toothed washer screw)• 2 Claws [4][1][2][2][2][3][4][4]5x1x2x1x4. Remove 3 connectors [1].[1][1]3x4. Disassembly/Assembly165
