Customer Care CenterCanon offers a full range of customer technical support* options:• For e-mail support, the latest driver downloads and answers tofrequently asked questions (wwwwww..uussaa..ccaannoonn..ccoomm//ccoonnssuummeerr)• 24-hour, 7-day-a-week automated support for troubleshootingissues on most current products (11--880000--442233--22336666)• 24-hour, Fax-On-Demand System for product specifications andtechnical information (11--880000--552266--44334455)• Free technical support Monday–Saturday (excluding holidays) forproducts still under warranty** (11--775577--441133--22884488)• Technical support 7 days a week (excluding holidays) for products nolonger under warranty, at $9.99 per call (11--775577--441133--22884488)Within Canada, call for technical support 24 hours aday, 7 days a week (11--880000--OOKK--CCAANNOONN).* Support program specifics are subject to change without notice.** Refer to the product information starting on page 54 for warranty details.4477TroubleshootingWRONGCARTRIDGEPrinthead is notinstalled correctlyRe-install the printhead.Y INK EMP T Y Yellow ink tank isemptyReplace the ink tank. See "Replacing Ink Tanks" on page 33.MessageMessageMessageMessage Possible CausePossible CausePossible CausePossible Cause Try ThisTry ThisTry ThisTry This