4. ADJUSTMENTOki Data CONFIDENTIAL44983601TH Rev.1 4-6 /4.1.2 System maintenance mode (System maintenance menu)Note! • This mode is only used by maintenance personnel; it is not released to the end user.• This mode is only B431.• Refer to "Maintenance Utility" for B401/B411.• (*1) can be set by "Maintenance Utility".To open System Maintenance Menu, hold down the "MENU " and "MENU " button and turn on the powerswitch. After the Category has been displayed, let go of the "MENU " and "MENU " button.CategoryOperation panel display DefaultvalueFunction* Only English is supported for paneldisplaySetting item(Upper case)Setting item(Lower case)OKIUSER(*1)OKIUSER ODAOELAPSJP1JPOEM1OEMAOEML* Set the destination.JPOEM1: Japan Oriented OEMOEMA: Overseas OEM for A4 defaultOEML: Overseas OEM for Letter defaultAfter passing the MENU, it rebootsautomatically. If the Japanese font exist, JP1 isdefault.MAINTENANCEMENUFLASH FORMAT EXECUTE - Initialize Flash ROM.After executing it passes the MENU. Theformat of Flash Device that is implemented onresident (on board) starts.MENU RESET EXECUTE - Reset the EEPROM content to the (FactoryDefault) setting value . After the settingalteration, it reboots automatically.Part of special item is not initialized.CONFIG MENU CODESET TYPE1TYPE2* This MENU displays as all destination.TYPE1: Non display of Russian / GraceTYPE2: Display Russian / Grace.After passing the MENU, it rebootsautomatically.For destination of OEL/APS/OEMA, TYPE2 isdefault value.For other destinations, TYPE1 is default value.TEST PRINTMENUTEST PRINTMENUENABLEDISABLE *Switch between whether to display ENGINEINFORMATION that is on the INFORMATIONMENU Category of USER MENU. If this item isDisable, ENGINE INFORMATION is not oftendisplayed.FUSE KEEPMODEFUSE KEEPMODEEXECUTE - While press ENTER Key the command is sendfrom CU to PU and then it becomes ONLINE.Replace the consumable by the new one andcheck the operation as the power ON. (At thismoment, the fuser of new consumable is notcut and the operation count is not added to thevalue of old consumable.While turn the power OFF the check mode isterminated.Till the next time of power ON it is Disable.