Canon S9000 S9000 Quick Start Guide - Page 31
Printing a Nozzle Check Pattern - printhead cleaning
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Printing Maintenance To align the printhead in Mac OS: 1. Make sure the printer is on and paper is loaded. 2. From an application File menu, click Page Setup. 3. Click Utilities. 4. Click the down-arrow to select Test Print. 5. Click Print Head Alignment. 6. Follow the on-screen instructions to print an alignment pattern. 7. From each column of the printed alignment pattern, select the most uniform pattern, enter the number in the corresponding field, then click Send. 8. Click Close to complete printhead alignment. Printing a Nozzle Check Pattern The printhead discharges ink through nozzles-tiny openings from which the ink is sprayed. If faded or streaked colors and text appear on your output when you print, some of the nozzles may be clogged. You can check for this problem by printing a nozzle check pattern. The nozzle check pattern should appear as follows when ink is discharged properly. Examine the nozzle check pattern output. Lines missing here indicate the printhead requires cleaning. Unevenness in these patterns indicates the printhead requires alignment. 24