Canon S450 User Manual - Page 138
Print Quality, Halftoning, Fine Fast, Diffusion, color boundaries.
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Making the Most of the Windows 98/95 Printer Driver Print Quality: When you wish to improve the print quality, drag the Print Quality slide bar to the right (Fine). The print mode changes according to the setting of the slide bar. Please note that using a higher setting in the direction of Fine requires more time for printing. Halftoning: The colors and shapes of printouts are reproduced by the ink dots ejected from the nozzles of the print head. Halftoning determines the color boundaries of intermediate tones. Fine (Fast): Uses a simplified halftoning method for high speed printing. Fine: Lines up ink dots of different colors under the rules specified in the printer driver. Use this setting for printing graphics or charts with clearly defined color boundaries. Diffusion: Randomly places ink dots of different colors. Use this setting for printing natural color images such as photographs. Auto: The printer driver automatically distinguishes among the types of image data, and switches to the most appropriate halftoning method. Using the Windows 98/95 Printer Driver 138