Samsung ProXpress SL-C3060ND - Engine Firmware Control Algorithm; Feeding; Transfer

2.Productspecicationanddescription
2.2.6.EngineFirmwareControlAlgorithm
2.2.6.1.Feeding
Iffeedingfromacassette,thedriveofthepickuprolleriscontrolledbycontrollingthesolenoid.Theon/offofthe
solenoidiscontrolledbycontrollingthegeneraloutputportortheexternaloutputport.Providedbelowarethejam
conditionsforthedevice:
ItemDescription
Paperjamin
tray1
•Afterpaperpickupinitialization,thepaperisnotfed.
•Afterpickingupthepapertheleadedgedoesnotreachtothefeedsensorwithinapredetermined
periodoftime,duerollerslippage,etc.
•Afterpickingupthepaperfromthecassette,ifthefeedsensorisnotdetected,are-pickup
initializationoccurs.Afterre-pickingup,ifthefeedsensorisstillnotonafterapredetermined
amountoftime,jamoccurs.
•Eventhoughthepaperreachestothefeedsensor,thefeedsensordoesn’tbeON.
Paperjam
insideof
machine
•Eventhoughthepaperreachestothefeedsensor,thefeedsensordoesn’tnotchangestate.
•Afterthetailedgeofthepaperpassesthefeedsensor,theleadedgeofpaperisnotdetectedbytheexit
sensorwithinapredeterminedperiodoftime.
Paperjamin
exitarea
Thetrailedgeofthepaperdoesnotcleartheexitsensorwithinapredeterminedperiodoftime.
2.2.6.2.Transfer
Thechargingvoltage,developingvoltageandthetransfervoltagearecontrolledbyPWM(PulseWidthModulation).Each
outputvoltageischangeableduetothePWMduty.Thetransfervoltageadmittedwhenthepaperpassesthetransferroller
isdecidedbyenvironmentconditions.TheresistancevalueofthetransferrollerischangedwhentheTemperatureand
HumiditySensorinthedevicesensesachangeintheenvironment.ThecurrenttotheTransferRollerischangedusingan
ADconverterontheHVPS.Thevoltagevalueforimpressingtothetransferrollerisdecidedbythechangedvalue.
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