Printheads
CheckingforNozzleClogging
Ifprintingisfaintorstreakedindifferentcolors,makesurethePrintheadnozzlesareclearbyprintingatest
patterntocheckthenozzles.
Note
•Youcanspecifyanumberofpagesintheprinter’sNoz.CheckFreq.menuforautomaticnozzle
checkingeverytimeyounishprintingthatquantity.(→P.59)
1.Loadunusedpaper.
•LoadingRollsontheRollHolder(→P.119)
•LoadingRollsintheRollFeedUnit(→P.121)
•LoadingtheRollinthePrinter(→P.122)
•LoadingSheetsManually(→P.151)
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.625)
2.Printatestpatterntocheckthenozzles.
Note
•Ifyourepeatthesestepsseveraltimesbutthehorizontallinesarestillfaintorincomplete,contact
yourCanondealer.
624Maintenance
