Canon printer imageCLASS MF236n User Manual

YoucannotprintwithGoogleCloudPrint.UsingGoogleCloudPrint(P.308)
Ittakesalongtimebeforeprintingstarts.
	 Did you print to narrow width paper? After you print to narrow width paper, the machine may cool itself to
maintain the print quality. As a result, it may take some time before the next job is printed. Wait until the machine is ready to print. Printing will resume when the temperature inside the machine has fallen.
Ablanksheetisoutput(nothingisprinted).
	 Did you pull the...

Faxing/TelephoneProblems
1469-09H
See 
CommonProblems(P.566)  also.
SendingProblems(P.574)
ReceivingProblems(P.575)
Sending Problems
Afaxcannotbesent.
	 Is an external phone line busy? Wait until the line becomes free.
	 Has an error occurred? Print and check a Communication Management Report.
CommunicationManagementReport(P.613)
	 Is a telephone line set correctly?
ConnectingtheTelephoneLine(P.112)
	 When sending the fax overseas, insert pauses in the fax number....

Receiving Problems
Theresultsofreceivedfaxarenotsatisfactory.Papercreasesorcurls.When
YouCannotPrintProperly(P.576)
Telephoneandfaxcannotbeswitchedautomatically.
	 Check that the receive mode is set to , , or .
SelectingtheReceiveMode(P.110)
	 Free space in memory may be running low. Print or delete data in memory.
Checking/DeletingDocumentsinMemory(P.151)
PrintingDocumentsinMemory(P.151)
Afaxcannotbereceivedautomatically.
	 Check that the receive mode is set to...

WhenYouCannotPrintProperly
1469-09J
If printing results are not satisfactory, or paper creases or curls, try the following solutions. If the problems persist, contact your local authorized Canon dealer or the Canon help line.
SmudgeMarksAppearonthe
EdgeofPrintouts(P.578)StreaksAppearon
Printouts(P.578)WhiteStreaksAppear(P.579)TonerSmudgesandSplatters
Appear(P.579)PrintoutsAreFaded(P.580)PrintedPagesHaveWhite
Specks(P.580)APortionofthePageIsNot...

CannotScanaPrinted
Barcode(P.582)PaperCreases(P.583)PaperCurls(P.583)
 
PrintoutsAreSkewed(P.585)
PrintoutsAreSkewed(P.585)PaperIsNotFed/TwoorMore
SheetsAreFedTogether(P.585)PaperJamsFrequentlywith2-
SidedPrinting(MF249dw/
MF247dw)(P.586)
Troubleshooting
577                      

PrintingResultsAreNotSatisfactory
1469-09K
Dirt inside the machine may affect printing results. Perform care and cleaning to the machine  4rst.
CleaningtheMachine(P.590)
Smudge Marks Appear on the Edge of Printouts
Doyouprintdatawithoutmargins?
	 This  symptom  occurs  if  a  margin  is  set  to  none  in  the  printer  driver.  A  margin  of  1/4"  (5  mm)  or  less
around  the  edge  of  paper  or  3/8"  (10  mm)  or  less  around  the  edge  of  envelopes  is  not  printable...

Didyoujustreplacethetonercartridge?Haveyounotusedtheprinterfora
longperiodoftime? 	Change the setting for .
SpecialProcessing(P.525)
White Streaks Appear
Istheplatenglassdirty?
	 Clean the platen glass and the underside of the feeder.
PlatenGlass(P.592)
Istheamountremaininginthetonercartridgenearlyempty?
	 Check the amount remaining in the toner cartridge, and replace the toner cartridges as necessary.
ReplacingTonerCartridges(P.599)
Toner Smudges and Splatters...

ReplacingTonerCartridges(P.599)
Printouts Are Faded
Istheamountremaininginthetonercartridgenearlyempty?
	 Check the amount remaining in the toner cartridge, and replace the toner cartridges as necessary.
ReplacingTonerCartridges(P.599)
Areyouusingappropriatepaper?
	 Check  usable  paper,  and  replace  with  appropriate  paper.  Also,  specify  the  paper  size  and  type  settings
properly.
Paper(P.650)
LoadingPaper(P.45)
SpecifyingPaperSizeandType(P.56)...

Isthedruminthetonercartridgedeteriorated?
	 Replace the toner cartridge with a new one.
ReplacingTonerCartridges(P.599)
Areyouprintingadocumentwithstrongcontrasts?
	 Change the setting for [Special Print Mode] using the Printer Driver.
When set to [Special Settings 2], print density is lighter compared with [Off] or [Special Settings 1]. Text and
lines may also appear faded.
A Portion of the Page Is Not Printed
Doyouprintdatawithoutmargins?
	 This  symptom  occurs  if  a  margin...

SpecialProcessing(P.525)
Printouts Are Grayish
Isinsettoodark?
	 Adjust the setting so that density is lighter.
CorrectDensity(P.497)
Istheprinterinstalledwhereitissubjecttodirectsunlightorstronglight?
	 Install the printer in an appropriate location.
Installation(P.3)
RelocatingtheMachine(P.607)
Wasthetonercartridgebeenleftindirectsunlightforalongperiodoftime?
	 Store  the  toner  cartridge  in  an  appropriate  location  for  two  to  three  hours,  then...