Morgana Digifold Pro CB - Section 15............Sensors and Detectors

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14.5.
14.6.
14.7.
15.1.
Repeatthisprocedurefrom14.3untilthedesiredresultisachievedandthen
returntotheRunScreen.
Withthemotorsrunning,operatetheCompressorSwitchtostarttheCompressor.
FromtheRunScreenstarttheVacuumDrum&Suction.HoldaTestSheetoverthe
drum(donotallowthesheettobefed)&ensurethedrumdoesnotstop.Ifitstops
checktheontheSingleStepperDriverPCBisset
correctly(SetSwitchesasshownontheWiringDiagramonpage85)
EntertheEngineeringToolsSection&Select"".
Alterthesettingasrequired.Thissettingcontrolsthelengthoftimethatthe
suctionisonforbeforethedrumstartstorotate.Resultshaveshownthattheoptimum
settingis03.
TheDigiFoldisequippedwithatotaloffourSensors&threeDetectors.Theyallhaveindicator
LED'sontheMainControlBoard&theiroperationcanbecheckedfromtheAdvancedTools
Menu.ThesensitivityoftheSensorscanbeadjustedindividuallybyadjustingtheappropriate
PotentiometerontheMainControlBoardusingasmallinsulatedelectricalscrewdriver.The
Detectorshavenoadjustments.
ChecktheoperationofeachSensororDetectorinturnbyenteringtheToolsMenu&
operateOperateeachsensormanually.
Theregisterstheleadedgeofthesheettowithin0.1mm.Itscorrect
settingisextremelycriticaltotheperformanceofthemachineand
15.2EnsuretheRedLED3ontheMainControlBoardisOff.Placean80gsm
sheetontheLoadingTablewithitsLayEdgeagainsttheFixedSideLay.Slidethe
sheetuptotheInputRollers&rotatethemachinebyhandtodrivethesheet
throughtheLeadEdgeSensor-thedisplayshouldreadandLED3
shouldcomeonasthesheetpassesthroughthesensorbeam.
15.3.Ensurethereisnopaperinthemachinebeforesettingthesensitivity.Thisisdoneby
adjustingtheCreaseEdgepot(VR4),ontheMainControlBoard.Turnthepotfully
anti-clockwise.TurnthepotclockwiseuntilLED3isjustOn,andthenbackanti-
clockwise60°(i.e.about10clockminutes).
VacuumDrumTorqueSetting
SensorsandDetectors:-
'SensorCheck'.
'PaperEdge'
VacSuckTrim
LeadEdgeSensor
anyadjustmentofits
sensitivitywillrequirere-calibrationofthemachine.
15.
Note.-
IfLED3doesnotcomeOn,whenVR4issetbetweenthe6o’clockand9o’clockpositionsthe
LeadEdgeSensorshouldbereplaced.(SeeBelow)
VR4VR4VR4
Fullyanti-clockwisePosn.6o’clockPosn.9o’clockPosn.
DigifoldPro
SYSTEM