Messages regarding printheadsMessages regarding printheadsCannot adjust printhead.Cause Corrective ActionThe Printhead nozzles are clogged. Follow the steps below to check the nozzles.1.Print a test pattern to check the nozzles.(→P.567)2.Clean the Printhead if the nozzles are clogged.(→P.568)Highly transparent lm is loaded that cannot be usedfor Printhead adjustment.We recommend using a type of paper that you oftenuse, other than lm, for Printhead adjustment.(→P.542)Cannot adjust band.Cause Corrective ActionThe Printhead nozzles are clogged. Follow the steps below to check the nozzles.1.Print a test pattern to check the nozzles.(→P.567)2.Clean the Printhead if the nozzles are clogged.(→P.568)Highly transparent lm is loaded that cannot be usedfor feed amount adjustment.Adjust the feed amount manually.(→P.552)PHead needs cleaning.Cause Corrective ActionThe Printhead nozzles are clogged. Specify Printhead cleaning options.(→P.568)If the message is still displayed after Head CleaningB, contact the Canon dealer for assistance.Problem with PrintheadCause Corrective ActionThe Printhead nozzles are becoming clogged. If printing is faint, clean the Printhead.(→P.568)Error Message 641
