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Printheads
CleaningthePrinthead
CleaningthePrintheadmayhelpclearnozzlesthatareclogged.
Note
•Youcanperformautomaticnozzlecheckingandcleaningeverytimeyounishprintingthatquantityby
specifyinganumberofpagesintheprinter’sNozzleCheckmenu.(→P.47)
•YoucanstartHeadCleaningAbyholdingdowntheInformationbuttonforthreesecondsormore.
•IfPOPBoard(paperthickness1.5mm[0.06in])isloadedinFrontPaperFeedSlot,printheadcleaning
willnotworkcorrectly.Removethepaperbeforecleaning.
CleaningthePrinthead
1.PresstheMenubuttontodisplayMAINMENU.
2.Press◄or►toselectHeadCleaning,andthenpress▼.
MAINMENU
HeadCleaning↓
3.Press◄or►toselectthetypeofcleaning,andthenpresstheOKbutton.
•HeadCleaningA
UseHeadCleaningAifprintingisfaintorcontainsforeignsubstances.Thismethodofcleaning
consumestheleastamountofink.Ittakesaboutfourminutestocomplete.
•HeadCleaningB
UseHeadCleaningAifnoinkcomesoutoftheprinthead,orifHeadCleaningBdoesnotsolvethe
problem.Ittakesaboutsixminutestocomplete.
Thesettingisupdated,andanequalssign“=”isdisplayedatleft.
HeadCleaning
=HeadCleaningA
Theprintheadcleaningisnished,andtheprintergoesonline.
4.Printatestpatterntocheckthenozzles,anddeterminewhethercleaninghasclearedthe
nozzles.(→P.651)
Note
•IfprintingdoesnotimproveafterHeadCleaningA,tryHeadCleaningB.Ifthisdoesnotsolve
theproblem,repeatHeadCleaningBtwoorthreetimes.Ifthisstilldoesnotimproveprinting,the
Printheadmayhavereachedtheendofitsusefullife.ContactyourCanondealer.
652Maintenance