Canon printer imageCLASS MF236n User Manual

								Check whether SMTP is running on the network correctly.
	 Check whether the machine is properly installed and correctly connected to the network.
Installation/SettingsProblems(P.567)
WhencommunicatingwiththeSMTPserver,anerrorreturnedfromtheserver.
	Check whether the SMTP server is set correctly.
Adestinationisnotsetcorrectly.
	Check whether the destination is set correctly.
Whenstoringascanneddocumentintothesharedfolder,anerroroccurredfromthefolder.
	Check whether the shared folder and the computer that has the shared folder are running correctly.
Theincorrectfoldernameorpasswordwas specL4edwhenstoringtothesharedfolder.
	 Check the destination settings.
#802
TheSMTP/POP3servernameisnotsetcorrectly.
	Set the SMTP/POP3 server name correctly.
Con4gurLng BasicE-MailSettings(P.359)
Con4gurLngE-MailCommunicationSettings(P.363)
#804
Noaccessprivilegestoaccessthesharedfolderaregranted.
	Grant  the  sending  user  (user  name  registered  to  the  destination)  a  privilege  for  writing  to  the  save
location folder. For details, contact your network administrator.
Theincorrectfoldernamewas specL4edwhenstoringtothesharedfolder.
	 Check the destination settings.
#806
Whenstoringdatatoasharedfolder,anincorrectusernameorpasswordwas specL4ed.
	 The  same  user  name  and  password  as  those  registered  in  a  shared  folder  must  be  registered  in  the
Address Book.
SettingaSharedFolderasaSaveLocation(P.368)
RegisteringAddressBookfromRemoteUI(P.467)
Whensendingane-mail,anincorrectdestinationwas specL4ed.
	 Enter the correct e-mail address, and send the message again. If the destination that was registered in the
Address Book was used, check whether the e-mail address is correct.
RegisteringintheAddressBook(P.60)
Troubleshooting
563                   
						

							#810
WhencommunicatingwiththePOP3servertosende-mail,anerrorreturnedfromtheserver.	Check whether the POP3 server is set correctly.
	 Check  whether  your  mail  server  and  network  are  running  correctly.  For  more  information,  contact  your
Network Administrator.
#813
ThelogonnameorpasswordthatisusedonthePOP3serverisnotsetcorrectly.
	Correctly enter the logon name or password that is used on the POP3 server.
#839
AusernameandpasswordthatareusedforSMTPauthenticationarenotsetcorrectly.
	Set the user name and password correctly.
Con4gurLng BasicE-MailSettings(P.359)
Con4gurLngE-MailCommunicationSettings(P.363)
#841
Whensendingane-mail,anencryptionalgorithmthatiscommontothemailserverisnotpresent.
	Clear the [Use TLS for SMTP] check box for the SMTP server.
Con4gurLng E-MailCommunicationSettings(P.363)
	 Add the common encryption algorithm to the mail server settings.
WhenverifyingaTLSserver certL4catetocommunicatetotheSMTPserver,a verL4catLonerroroccurred.
	 Check that the CA  certi4cate that signed the TLS server  certi4cate on the SMTP server side is registered to
the machine by using the Remote UI.
VerifyingKeyPairsandDigital CertL4cates(P.446)
	 Check that the TLS server  certi4cate on the SMTP server side is valid.
	 Check that the TLS server  certi4cate is not a self-signed  certi4cate.
#844
TLSencryptedcommunicationtoaPOP3serverfailedwhensendingane-mailwithPOPbeforeSMTP.
	Check the TLS encrypted communication settings in the POP3 server.
	 Clear  the  [Use  TLS  for  POP]  check  box  for  the  POP3  server.  If  the  problem  persists,  clear  the  [Use  POP
Authentication Before Sending] check box, and set the communication setting to a setting other than POP before SMTP.
Troubleshooting
564             
						

							Con4gurLngE-MailCommunicationSettings(P.363)
WhenverifyingaTLSserver certL4catetocommunicatetothePOP3server,a verL4catLonerroroccurred.
	 Check that the CA  certi4cate that signed the TLS server  certi4cate on the POP3 server side is registered to
the machine by using the Remote UI.
VerifyingKeyPairsandDigital CertL4cates(P.446)
	 Check that the TLS server  certi4cate on the POP3 server side is valid.
	 Check that the TLS server  certi4cate is not a self-signed  certi4cate.
#846
Ane-mailcouldnotbesentduetoaPOPauthenticationfailure.
	Check the setting, and try again.
Con4gurLng E-MailCommunicationSettings(P.363)
#852
ThemachineturnsOFFforsomereason.
	Check whether the power plug is inserted into an outlet  4rmly.
#995
Adocumentwaitingtobesentwascanceled.
	Send the document again as necessary.
Troubleshooting
565          
						

							CommonProblems
1469-09C
If you encounter problems when using the machine, check the items in this section before contacting us. If the problems persist, contact your local authorized Canon dealer or the Canon help line.
Check the Following
IsthemachineturnedON?Isthepowercordconnected?
	 If the machine is turned ON but does not respond, turn it OFF, check whether the power cord is connected
correctly, and turn it back ON. For information on connecting the power cord, see Getting Started.
ManualsIncludedwiththeMachine(P.660)
Arethephonecord,LANcableandUSBcableconnectedcorrectly?
	 Check whether these cables are connected correctly. Use care not to mistake the phone cord's port for the
other cables' ports.
ConnectingtheTelephoneLine(P.112)
PartsandTheirFunctions(P.17)
Issleepmodeactivated?
	 If  you  leave  the  machine  unattended  for  a  speci4c  period  of  time,  it  enters  sleep  mode  for  power
conservation, not allowing you to operate it.
To cancel sleep mode, press 
.
Isanymessagedisplayedonthescreen?
	 If a problem occurs, a message is displayed.
WhenanErrorMessageAppears(P.550)
IfaProblemPersistsEvenafterChecking
Click the link that corresponds to the problem.
Installation/SettingsProblems(P.567)
Copy/PrintingProblems(P.571)
Faxing/TelephoneProblems(P.574)
Troubleshooting
566                      
						

							Installation/SettingsProblems
1469-09E
See 
CommonProblems(P.566)  also.
ProblemswiththeWireless/WiredLANConnection(P.567)
ProblemwiththeUSBConnection(P.570)
ProblemwiththePrintServer(P.570)
Problems with the Wireless/Wired LAN Connection
ThewirelessLANandwiredLANcannotbeconnectedatthesametime.
	 The wireless LAN and wired LAN cannot be connected at the same time. The following can be used at the
same time: a USB cable and a wireless LAN, or a USB cable and a wired LAN.
RemoteUIisnotdisplayed.
	 Are  and  set to ?
DisablingHTTPCommunication(P.423)
DisablingRemoteUI(P.424)
	 If the machine is connected to a wireless LAN, check that the Wi-Fi indicator is lit and the IP address is set
correctly, and then start the Remote UI again.
OperationPanel(P.25)
ViewingNetworkSettings(P.344)
	 If the machine is connected to a wired LAN, check that the cable is connected  4rmly and the IP address is set
correctly, and then start the Remote UI again.
ConnectingtoaWiredLAN(P.318)
ViewingNetworkSettings(P.344)
	 Are you using a proxy server? If so, add the machine's IP address to the [Exceptions] list (addresses that do
not use the proxy server) in the Web browser's proxy settings dialog.
	 Is communication not limited by the  4rewall on your computer? If IP addresses are or an MAC address is
incorrectly entered, the Remote UI cannot be displayed. In that case, you need to use the operation panel to
set , , or  to .
RestrictingCommunicationbyUsingFirewalls(P.401)
IPv4AddressFilter(P.531)
IPv6AddressFilter(P.532)
MACAddressFilter(P.532)
Aconnectiontoanetworkcannotbeestablished.
	 The IP address may not be set correctly. Set the IP address again.
SettingIPAddresses(P.336)
	 When you connect the machine to a computer via wireless LAN, check whether the machine is properly
installed and ready to connect to the network.
WhentheMachineCannotConnecttotheWirelessLAN(MF249dw/MF247dw)(P.568)
Troubleshooting
567                                                 
						

							YouareunsureofthesetIPaddress.ViewingNetworkSettings(P.344)
TheconnectionmethodcannotbeswitchedbetweenawiredLANanda
wirelessLAN. 	 Did you select a wired LAN or a wireless LAN on the operation panel on the machine as well? This selection is
required to have the machine switch to your selection.
SelectingWiredLANorWirelessLAN(MF249dw/MF247dw)(P.317)
YouareunsureoftheSSIDorthenetworkkeyofthewirelessroutertobe
connected.TheSSIDisnotdisplayedonthescreen. 	 Check whether the SSID can be found on the wireless router or package box.
	 Check the SSID or the network key of the wireless router by using Canon MF/LBP Wireless Setup Assistant.
CheckingtheSSIDandNetworkKey(P.333)
TheSSIDofthewirelessroutertobeconnectedisnotdisplayedintheaccess
pointlist. 	 Check whether the SSID is correct.
CheckingtheSSIDandNetworkKey(P.333)
	 If the SSID of the wireless router is hidden (using a stealth mode *
), set the SSID to be visible on the wireless
router.
 *  A mode that disables the SSID auto-detection of other devices.
	 Check whether the machine is properly installed and ready to connect to the network.
WhentheMachineCannotConnecttotheWirelessLAN(MF249dw/MF247dw)(P.568)
Themachinedialsuptoanunintendedconnectiondestination(ifadialup
routerisconnectedtoanetwork). 	 If a dialup router does not need to pass broadcast packets, set the dialup router so that the broadcast
packets will not pass. If the dialup router needs to pass broadcast packets, check whether the settings arecorrect.
	 If a DNS server is located in an external network, set the IP address to be connected, not the host name, even
if connecting to the devices that are on the network that is connected to the machine.
	 If a DNS server is located on a network that is connected to the machine and the information about the
devices that are connected to an external network is registered to the DNS server, check whether the settingsare correct.
WhentheMachineCannotConnecttotheWirelessLAN
  Checkthestatusofyourcomputer. 	 Have the settings of the computer and the wireless router been completed?
	 Are the cables of the wireless router (including the power cord and LAN cable)
correctly plugged in?
	 Is the wireless router turned on?
Troubleshooting
568                
						

							Iftheproblempersistsevenaftercheckingtheabove:
	 Turn off the devices, and then turn them on again.
	 Wait for a while, and try again to connect to the network. 
 
CheckwhetherthemachineisturnedON.
	 If the machine is turned ON, turn it OFF, and then turn it back ON. 
 
Checktheinstallationsiteofthemachineandthewirelessrouter.
	 Is the machine too far from the wireless router?
	 Are there any obstacles such as walls between the machine and the wireless router?
	 Are there any appliances such as microwave ovens or digital cordless phones that
emit radio waves near the machine? 
 
Performoneofthefollowingsettingsagain.
SettingUpConnectionUsingWPSPushButtonMode(P.321)
SettingUpConnectionUsingWPSPINCodeMode(P.323)
SettingUpConnectionbySelectingaWirelessRouter(P.326)
SettingUpConnectionbySpecifyingDetailedSettings(P.329)
Whenyouneedtomanuallysetuptheconnection If the wireless router is set as described below, manually enter all the required information for the wireless LANconnection ( 
SettingUpConnectionbySpecifyingDetailedSettings(P.329) ).
	 ANY connection refusal *
 is activated.
	 The WEP key that was automatically generated (hexadecimal) is selected.
	 The stealth mode is activated.
 * 
A function in which the wireless router refuses the connection if the SSID on the device to be connected is set to "ANY"
or is blank.
Whenyouneedtochangethesettingsofthewirelessrouter
If the wireless router is set as described below, change the settings of the router.
	 The MAC address packet  4ltering is set.
Troubleshooting
569                
						

								When only IEEE 802.11n is used for the wireless communication, WEP is selected or the WPA/WPA2
encryption method is set to TKIP.
 
Problem with the USB Connection
 Cannotcommunicate.
	 Change the USB cable. If you are using a long USB cable, replace it with a short one.
	 If you are using a USB hub, connect the machine directly to your computer using a USB cable.
 
Problem with the Print Server
 Youcannot 4ndtheprintservertoconnectto.
	 Are the print server and computer connected correctly?
	 Is the print server running?
	 Do you have user rights to connect to the print server? If you are not sure, contact the server administrator.
	 Is [Network discovery] enabled? (Windows Vista/7/8/10/Server 2008/Server 2012)
Enabling[Networkdiscovery@(P.669)
Youcannotconnecttoasharedprinter.
	 On the network, does the machine appear among the printers of the print server? If it is not displayed,
contact the network or server administrator.
DisplayingSharedPrintersinthePrintServer(P.670)
Troubleshooting
570       
						

							Copy/PrintingProblems
1469-09F
See 
CommonProblems(P.566)  also.
Printing/copyresultsarenotsatisfactory.Papercreasesorcurls.WhenYou
CannotPrintProperly(P.576)
Youcannotprint.
	 Can you print a Windows test page? If you can print a Windows test page, there is no problem with the
machine or the printer driver. Check the print settings of your application.
PrintingaTestPageinWindows(P.671)
If you cannot print a test page, check the following according to your environment.
 Wireless LAN connection (MF249dw / MF247dw)
	 Check the connection status (signal strength) of the wireless LAN.
ViewingNetworkSettings(P.344)
If the connection is poor, try the following.
	 Change the channel of your wireless LAN router. If you have more than one router, set the channels to be
at least  4ve channels apart.
	 If you can change the radio output power of your wireless LAN router, raise the output power.
 
	 If  your  computer  is  connected  to  a  wireless  LAN,  are  the  computer  and  this  machine  using  the  same
wireless LAN router SSID? If they are different, reset the wireless LAN connection settings of this machine.
ViewingNetworkSettings(P.344)
CheckingtheSSIDtoWhichYourComputerIsConnected(P.676)
ConnectingtoaWirelessLAN(MF249dw/MF247dw)(P.319)
WhenyouresetwirelessLANconnectionsettings
	 As the wireless LAN router, select the one with the SSID to which the computer is connected.
 
	 Have you selected the correct port? If there is no port to use, create a port.
CheckingthePrinterPort(P.674)
Con4gurLng PrinterPorts(P.351)
	 Is  communication  not  limited  by  the  4rewall  on  your  computer?  If  IP  addresses  are  incorrectly  entered,
you  will  be  not  able  to  access  the  machine.  In  that  case,  you  need  to  use  the  operation  panel  to  set   or  to .
RestrictingCommunicationbyUsingFirewalls(P.401)
IPv4AddressFilter(P.531)
IPv6AddressFilter(P.532)
	 Disable security software and other resident software.
	 Reinstall the printer driver in accordance with the MF Driver Installation Guide.
	 Can  you  print  from  other  computers  on  the  network?  If  you  also  cannot  print  from  other  computers,
contact your local authorized Canon dealer or the Canon help line.
 Wired LAN connection
Troubleshooting
571                                     
						

								Have you selected the correct port? If there is no port to use, create a port.
CheckingthePrinterPort(P.674)
Con4gurLng PrinterPorts(P.351)
	 Is  communication  not  limited  by  the  4rewall  on  your  computer?  If  IP  addresses  are  or  an  MAC  address  is
incorrectly entered, you will be not able to access the machine. In that case, you need to use the operation
panel to set , , or  to .
RestrictingCommunicationbyUsingFirewalls(P.401)
IPv4AddressFilter(P.531)
IPv6AddressFilter(P.532)
MACAddressFilter(P.532)
	 Disable security software and other resident software.
	 Reinstall the printer driver in accordance with the MF Driver Installation Guide.
	 Can  you  print  from  other  computers  on  the  network?  If  you  also  cannot  print  from  other  computers,
contact your local authorized Canon dealer or the Canon help line.
 USB connection
	 Have you selected the correct port? If there is no port to use or you are not sure, reinstall the printer driver
in accordance with the MF Driver Installation Guide. When you reinstall the printer driver, the correct port
is created automatically.
CheckingthePrinterPort(P.674)
	 Is bidirectional communication enabled? Enable bidirectional communication, and restart the computer.
CheckingBidirectionalCommunication(P.675)
	 Disable security software and other resident software.
	 Connect to another USB port on the computer.
	 Can you print from a USB connection to another computer? If you also cannot print from other computers,
contact your local authorized Canon dealer or the Canon help line.
 Via print server
	 Can  you  print  from  the  print  server?  If  you  can  print  from  the  print  server,  check  the  connection  between
the print server and your computer.
ProblemwiththePrintServer(P.570)
	 Disable security software and other resident software.
	 Reinstall the printer driver in accordance with the MF Driver Installation Guide.
	 Can  you  print  from  other  computers  via  the  print  server?  If  you  also  cannot  print  from  other  computers,
contact your local authorized Canon dealer or the Canon help line.
Printingseemstobeslow.*
	 Print or delete data in memory.
PrintingDocumentsinMemory(P.151)
Checking/DeletingDocumentsinMemory(P.151)
 * 
When the free space in memory is running low, the processing speed of the machine becomes slow, just as a computer
does. There is nothing abnormal.
Troubleshooting
572