CCuussttoommeerr CCaarree CCeenntteerrCanon offers a full range of customer technical support* options:• For e-mail support, the latest driver downloads and answers to frequentlyasked questions (wwwwww..uussaa..ccaannoonn..ccoomm)• 24-hour, 7-day-a-week automated support for troubleshooting issues onmost current products (11--880000--442233--22336666)• 24-hour, Fax-On-Demand System for product specifications and technicalinformation (11--880000--552266--44334455)• Free technical support Monday–Saturday (excluding holidays) for productsstill under warranty** (11--775577--441133--22884488)• Technical support 7 days a week (excluding holidays) for products no longerunder warranty, at $9.99 per call (11--775577--441133--22884488)Within Canada, call for technical support 24 hours a day, 7days a week (11--880000--OOKK--CCAANNOONN).* Support program specifics are subject to change without notice.** Refer to the product information starting on page 49 for warranty details.Troubleshooting3322Problem Possible Cause Try ThisSystem errormessagedisplaysSystem erroroccurredIf a system error occurs, printing stops.WWIINNDDOOWWSSA window displays the error message. System errors mayinclude problems writing to LPT1 or USBPRN, applicationerrors, or general protection faults. Make sure that the printeris turned on, the printer and computer are connected securely,and that the printer port is operating correctly.MMAACC OOSSThe error message contains an error code *XXX, where * is aletter and XXX is a number, which represents the cause of theerror. Make sure that the printer is turned on, the printer andcomputer are connected securely, and that the printer port isoperating correctly.