The user manual for Canon BJC-620, contain information about Maintaining the Printer. Troubleshooting Using Canon’s Support Services Identifying Your Printer Problem General Problems Initialization Errors Clearing Paper Jams
Ink Problems Ink Tanks Continually Run Out of Ink Ink Tank Incorrectly Installed Troubleshooting the Microsoft Windows Printing System. With proper use, the print head unit should last the life of the printer. Eventually, however, as the print head unit wears out, the print quality will deteriorate and you will see irregular or missing dots on printouts. If this occurs and print quality does not improve with repeated print head cleanings, contact the Canon Computer Systems Customer Care Center to find out your service options (see page 1-3). Attempting to repair the printer yourself may void the limited warranty as to that repair. See the limited warranty information at the back of this manual for details.

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