1. Enter service mode, and set the following item to "1".• COPIER > OPTION > USER > SMD-EXPTTNRB-SW : 0SCALL-SW : 0SCALLCMP : 0PC-MODE : 0SMD-EXPT : 1NOTE:The [SMD-EXPT] setting can be specified either from theControl Panel or from the remote UI.2. Using the DCM function (Refer to “SettingInformation Export/Import Function (DCM)” on page58), export the following information.• User data (the settings of the [Settings/Registration] menu and the address book)• Service mode setting information3. Write down the following information because thesesettings need to be configured (entered) afterreplacing the PCB.• The default settings shown on the service label [1]• The machine's serial number• Settings/Registration > System Settings > DeviceInformation> Location[1]4. Enter service mode, and set the following item to "0".• COPIER > OPTION > USER > SMD-EXPTTNRB-SW : 0SCALL-SW : 0SCALLCMP : 0PC-MODE : 0SMD-EXPT : 1NOTE:The [SMD-EXPT] setting can be specified either from theControl Panel or from the remote UI.■ 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. Disassembly/Assembly158
