GRAPHTEC FCX4000 - Page 6

FCX4000-UM-251-9370 iv
7.4 BelttensionAdjustment.................................................................................7-43
7.4.1 AdjustingtheXMotorBeltTension ..................................................................................................... 7-43
7.4.2 AdjustingtheYMotorBeltTension ..................................................................................................... 7-44
7.4.3 AdjustingtheFrontXBeltTension ...................................................................................................... 7-45
7.4.4 AdjustingtheRearXBeltTension ....................................................................................................... 7-48
7.4.5 AdjustingtheYBeltTension ................................................................................................................ 7-51
7.5.1 MainBoard ............................................................................................................................................. 7-53
7.6.1 PowerSupplyBoard ............................................................................................................................. 7-54
7.6.2 Fan .......................................................................................................................................................... 7-55
7.6.3 HighVoltageBoard ................................................................................................................................ 7-56
7.6.4 ElectrostaticRelayBoard ..................................................................................................................... 7-56
7.6.5 MotorPowerRelayBoard ..................................................................................................................... 7-57
7.7 ControlPanel ..................................................................................................7-58
7.7.1 ControlPanelBoard .............................................................................................................................. 7-58
7.7.2 LCD ......................................................................................................................................................... 7-61
7.7.3 ControlPanelkeys ................................................................................................................................ 7-61
7.7.4 ElectrostaticAdhesionSwitch ............................................................................................................. 7-62
7.8 ElectrostaticAdhesionPanel ........................................................................7-64
7.8.1 ReplacingtheElectrostaticAdhesionPanel ....................................................................................... 7-64
8 ELECTRICALADJUSTMENTS ......................................8-1
8.1 ListofItemsRequiringReadjustment ............................................................8-1
8.2 FlowchartoftheAdjustmentSequence .........................................................8-2
8.2.1 Themainboardwasreplaced(Normalprocedure) .............................................................................. 8-2
8.2.2 Themainboardwasreplaced (IftheadjustmentvaluescouldnotcopyfromtheSUB-NVRAM.) ......................8-3
8.2.3 Thepenblockwasreplaced ................................................................................................................... 8-4
8.2.4 TheXhomesensorwasreplaced .......................................................................................................... 8-4
8.2.5 TheYhomesensorwasreplaced .......................................................................................................... 8-4
8.2.6 Theregistrationmarksensorwasreplaced ......................................................................................... 8-4
8.2.7 TheXorYmotorwasreplaced .............................................................................................................. 8-5
8.2.8 TheXorYbeltwasreplaced .................................................................................................................. 8-5
8.3 ExplanationoftheValuesoftheMainBoard .................................................8-6
8.4 SettingtheDIPSwitches ..................................................................................8-7
8.5 UpdatingtheSystemFirmware .......................................................................8-8
8.6 ClearingtheNV-RAM ......................................................................................8-10
8.7 SelectingDisplayLanguage&LengthUnit .................................................8-12
8.8 CopyingtheAdjustmentvalueformtheSUB-NVRAM ................................8-13
8.9 AdjustingtheHomePosition .........................................................................8-15