803. Clean the underside of the top cover. Ink residues may collect in this area.Cleaning the print headYou should start print head cleaning when your print quality is poor. There are two methods of printhead cleaning:z Cleaning: Requires about 30 seconds and can improve print quality.z Flushing: Requires about 60 seconds and corrects severe nozzle clogging. Because Flushingconsumes a lot of ink, execute flushing only when the print quality does not improve afterrepeated cleaning.You can start cleaning or flushing the print head with the Windows printer driver or the operationpanel. For details about starting cleaning or flushing with the Windows printer driver, refer to theWindows Print Guide.To start cleaning/flushing from the operation panel:1. Press and hold down the RESUME button.To start print head cleaning, hold down the RESUME button until you hear two beeps thenrelease it. Cleaning requires about 30 seconds.To start print head flushing, hold down the RESUME button until you hear three beeps thenrelease it. Flushing requires about 60 seconds.2. To check the performance of the print head, print a Nozzle Check Pattern. (p45)80
