42049001TH Rev.1 40 /Oki Data CONFIDENTIAL3. ADJUSTMENTSAdjustments on C5100 printers are made by operator panel key entry. In addition to a standardmenu, there is a maintenance menu in the display of their operator panels. The menu that servesthe purpose of intended adjustment is to be selected.3.0 System Maintenance MenuTurning on printer power while holding the MENU+ and MENU- keys down activates SystemMaintenance menu. The menu is only displayed in English on a printer to any destination.Note! System Maintenance menu, from which settings such as printer destinations can bechanged, is hidden from users’ view.Table 3-0 Maintenance Menu Display TableThe switch operation and LCD display during an engine self-diagnostic mode, which are specifiedby engine firmware, differ from controller firmware operating specifications. The engine self-diagnostic mode is enabled in a controller board removed configuration.* Operation in such a configuration is not assured.Refer to the engine block specification for C5100 for further details if necessary.Sets a destination.JPOEM1: Japan OEMsOEMA: A4 default, Overseas OEMsOEML: Letter default, Overseas OEMsWith the selection of a destination, printer rebooting isperformed.Selected using the ENTER switch. Prints engineinformation after initialization, at the press of theONLINE switch after the selection.Sets whether to show the total number of pages onprint menu map.Places the printer online with the issue of a commandfrom the CU to the PU by the press of the ENTERswitch. While printer power is on, replace consum-able part(s) with new one(s) and check printeroperation [without cutting the fuse(s) for the newpart(s) and without counting the operation on theremoved part(s)]. The check mode ends by turningoff the power, and is disabled at next turning-on of thepower.Reserved for expansion. No item or value display isprovided at present.Used to enter engine self-diagnostic mode.OKIUSERENG STATUSPRINTPAGE CNTPRINTFUSE KEEPMODENETWORKENGINE DIAGMODEOKIUSERENG STATUSPRINTPAGE CNTPRINTPAGE KEEPMODEODAOELAPSJP1JPOEM1OEMAOEMLEXECUTEENABLEDISABLEEXECUTEFunctionCategory Item (Upper Display) Value (Lower Display)Operator Panel DisplayDF**www.eManualpro.com