Canon printer PIXMA MG3020 User Manual
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NetworkConnectionProblems PrinterSuddenlyCannotBeUsed NetworkKeyUnknown PrinterCannotBeUsedAfterReplacingWirelessRouterorChangingIts Settings 271
PrinterSuddenlyCannotBeUsed CannotCommunicatewithPrinterFollowingNetworkSettingsChange CannotCommunicatewithPrinterviaWirelessLAN CannotCommunicatewithPrinterUsingWirelessDirect CannotPrintorScanfromaComputerConnectedtotheNetwork CannotCommunicatewithPrinterFollowingNetworkSettingsChange ItmaytakeawhileforthecomputertoobtainanIPaddress,oryoumayneedtorestartyourcomputer. MakesurethecomputerhasobtainedavalidIPaddress,andtryagaintofindtheprinter. CannotCommunicatewithPrinterviaWirelessLAN Check1 Checkthepowerstatusofprinter,networkdevices(e.g.wirelessrouter),and smartphone/tablet. Turnontheprinterordevices. Ifthepowerisalreadyturnedon,turnitoffandonagain. Itmaybenecessarytoresolvewirelessrouterproblems(e.g.updateintervalofakey,problemsofDHCP updateinterval,energysavingmode,etc.)ortoupdatethewirelessrouterfirmware. Fordetails,contactthemanufacturerofyourwirelessrouter. Check2 Canyouviewanywebpagesonyourcomputer? Makesureyourcomputerisconnectedtothewirelessrouterproperly. Formoreoncheckingcomputersettingsorconnectionstatus,seetheinstructionmanualsuppliedwiththe wirelessrouterorcontactthemanufacturer. Check3 Makesuretheprinterandwirelessrouternetworksettingsmatch. Makesurethenetworksettingsoftheprinter(e.g.wirelessroutername,SSID,networkkey,etc.)areidentical withthoseofthewirelessrouter. Tocheckthesettingsofthewirelessrouter,refertotheinstructionmanualprovidedwithitorcontactits manufacturer. Tocheckthecurrentnetworksettingsoftheprinter,printoutthenetworksettinginformation. PrintingNetworkSettings Iftheprinternetworksettingsdonotmatchwiththoseofthewirelessrouter,changethenetworksettingsof theprintertomatchwiththoseofthewirelessrouter. 272
NetworkSettings(IJNetworkDeviceSetupUtility)(Windows) Check4Makesuretheprinterisnotplacedtoofarawayfromthewirelessrouter. Placethewirelessrouterandprinterwheretherearenoobstaclesbetweenthem.Wirelesscommunication betweendifferentroomsorfloorsisgenerallypoor.Wirelesscommunicationcanbeimpededbybuilding materialscontainingmetalorconcrete.Iftheprintercannotcommunicatewiththecomputeroverawireless LANduetoawall,placetheprinterandthecomputerinthesameroom. Inaddition,ifadevicelikeamicrowaveoventhatemitsradiowavesofthesamefrequencybandwidthasa wirelessrouterisnearby,itmaycauseinterference.Placethewirelessrouterasfarawayfrominterference sourcesaspossible. Note
PrintingNetworkSettings Check6Makesuretheprinterisnotplacedtoofarawayfromthedevice. Placethedeviceandprinterwheretherearenoobstaclesbetweenthem.Wirelesscommunicationbetween differentroomsorfloorsisgenerallypoor.Wirelesscommunicationcanbeimpededbybuildingmaterials containingmetalorconcrete.IftheprintercannotcommunicatewiththecomputeroverawirelessLANdueto awall,placetheprinterandthecomputerinthesameroom. Inaddition,ifadevicelikeamicrowaveoventhatemitsradiowavesofthesamefrequencybandwidthasa wirelessrouterisnearby,itmaycauseinterference.Placethewirelessrouterasfarawayfrominterference sourcesaspossible. Placedevicesasuitabledistancefromtheprinter. Check7 Makesure5devicesarealreadyconnected. WirelessDirectdoesnotallowmorethan5devicestobeconnected. CannotPrintorScanfromaComputerConnectedtotheNetwork Check1 Makesurethecomputerisconnectedtothewirelessrouter. Formoreonhowtocheckthecomputersettingsorconnectionstatus,seeyourcomputerinstructionmanual orcontactitsmanufacturer. Check2 IfMPDriversarenotinstalled,installthem.
NetworkKeyUnknown WPA/WPA2orWEPKeySetforWirelessRouterUnknown,CannotConnect SettinganEncryptionKey WPA/WPA2orWEPKeySetforWirelessRouterUnknown,Cannot Connect Formoreonsettingupawirelessrouter,seetheinstructionmanualprovidedwiththewirelessrouteror contactitsmanufacturer.Makesureyourcomputercancommunicatewiththewirelessrouter. Note
PrinterCannotBeUsedAfterReplacingWirelessRouteror ChangingItsSettings Whenyoureplaceawirelessrouter,redothenetworksetupfortheprinter.
WithEncryptionOn,CannotCommunicatewithPrinterAfter ChangingEncryptionTypeatWirelessRouter Ifyouchangetheencryptiontypefortheprinteranditsubsequentlycannotcommunicatewiththe computer,makesuretheencryptiontypeforthecomputerandthewirelessroutermatchesthetypeset fortheprinter. CannotCommunicatewithPrinterAfterEnablingMAC/IPAddressFilteringorEncryptionKeyon WirelessRouter 279
OtherNetworkProblems CheckingNetworkInformation RestoringtoFactoryDefaults MessageAppearsonComputerDuringSetup PacketsAreSentConstantly(Windows) 280