Canon S450 User Manual - Page 255

Printer Maintenance Note If the cleaning had no effect, perform normal print head cleaning and deep print head cleaning again. After cleaning the print head several times, if the Nozzle Check Pattern is not satisfactory, one of the print heads may be worn out and the corresponding BJ cartridge must be replaced. Replacing a BJ Cartridge I Printing a Nozzle Check Pattern The Nozzle Check Pattern confirms whether the inks are being correctly ejected from the print head nozzles and whether the print head on the BJ cartridge is correctly aligned. Print the Nozzle Check Pattern when your printouts are streaked or the color tones are not correct, or after print head cleaning has been executed. 1 Open the Page Setup dialog box. Normally, select Page Setup from the File menu. 2 Click the Utilities button. 3 Select Test Print, then click the icon. Using the Macintosh Printer Driver 255