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Printheads
CheckingforNozzleClogging
Ifprintingisfaintorstreakedindifferentcolors,makesurethePrintheadnozzlesareclearbyprintingatest
patterntocheckthenozzles.
Note
•Youcanspecifyanumberofpagesintheprinter’sNoz.CheckFreq.menuforautomaticnozzle
checkingeverytimeyounishprintingthatquantity.(→P.49)
1.Loadunusedpaper.
•LoadingandPrintingonRolls(→P.80)
•LoadingandPrintingonSheetsinthePaperFeedSlot(→P.85)
2.PresstheMenubuttontodisplayMAINMENU.
3.Press▲or▼toselectTestPrint,andthenpressthe►button.
4.Press▲or▼toselectNozzleCheck,andthenpressthe►button.
5.Press▲or▼toselectYes,andthenpresstheOKbutton.
Theprintergoesonlineandprintsatestpattern.
6.Checktheprintingresults.
Ifthehorizontallinesarenotfaintorincomplete,thenozzlesareclear.
Ifsomesectionsofthehorizontallinesarefaintorincomplete,thenozzlesforthosecolors
areclogged.
Ifhorizontallinesarefaintorincomplete,followthestepsbelowandcheckagainfornozzle
clogging.
1.CleanthePrinthead.(→P.624)
2.Printatestpatterntocheckthenozzles.
Note
•Ifyourepeatthesestepsseveraltimesbutthehorizontallinesarestillfaintorincomplete,contact
yourCanondealer.
Maintenance623