
FC2250-UM-251-9370 iv
7.5 YBarPart ........................................................................................................7-36
7.5.1 YBar ....................................................................................................................................................... 7-36
7.5.2 PreparationsbeforedetachingtheYbar ............................................................................................ 7-38
7.5.3 CheckingtheSlidingoftheYBarFrame(ManualCheck)................................................................. 7-39
7.5.4 AdjustingthePerpendicularityPrecision ........................................................................................... 7-40
7.5.5 YBelt....................................................................................................................................................... 7-42
7.5.6 AdjustingtheYBeltTension ................................................................................................................ 7-43
7.5.7 YFlexibleCable ..................................................................................................................................... 7-45
7.5.8 PreparingtheYFlexibleCableAssembly ........................................................................................... 7-52
7.5.9 YHomeSensor ...................................................................................................................................... 7-54
7.5.10 YDriveBelt............................................................................................................................................. 7-56
7.5.11 YSlider ................................................................................................................................................... 7-58
7.5.12 AdjustingtheRollerPressureoftheYSlider ..................................................................................... 7-62
7.6 XSlider ............................................................................................................7-63
7.6.1 FrontXSlider ......................................................................................................................................... 7-63
7.6.2 AdjustingtheRollertensionoftheFrontXSlider ............................................................................. 7-64
7.6.3 RearXSlider .......................................................................................................................................... 7-65
7.6.4 AdjustingtheRollerTensionoftheRearXSlider.............................................................................. 7-66
7.7 ControlBox .....................................................................................................7-68
7.7.1 MainBoard ............................................................................................................................................. 7-68
7.7.2 MainRelayBoard .................................................................................................................................. 7-69
7.7.3 PowerSupplyBoard ............................................................................................................................. 7-70
7.7.4 PowerSupplyRelayBoard................................................................................................................... 7-71
7.8 ReplacingtheElectrostaticAdhesionPlate.................................................7-72
7.8.1 PeelingOfftheElectrostaticAdhesionPlate...................................................................................... 7-72
7.8.2 PreliminaryPreparationsforPastingOnNewPlate .......................................................................... 7-73
7.8.3 AttachingtheElectrostaticAdhesionPlate ........................................................................................ 7-74
8. ELECTRICALADJUSTMENTS......................................8-1
8.1 ListofItemsRequiringReadjustment ............................................................8-1
8.2 FlowchartoftheAdjustmentSequence .........................................................8-2
8.2.1 Themainboardwasreplaced ................................................................................................................ 8-2
8.2.2 Thepenblockwasreplaced................................................................................................................... 8-3
8.2.3 TheXhomesensorwasreplaced.......................................................................................................... 8-3
8.2.4 TheYhomesensorwasreplaced .......................................................................................................... 8-4
8.2.5 Theregistrationmarksensorwasreplaced ......................................................................................... 8-4
8.2.6 TheXorYmotorwasreplaced .............................................................................................................. 8-4
8.2.7 TheXorYbeltwasreplaced .................................................................................................................. 8-5
8.2.8 TheYbarwasremoved........................................................................................................................... 8-5