Canon MultiPASS F50 Software User's Manual page 29

2. In the Set Print Quality dialog box, move the print quality slider to
choose the best balance between printing speed and print quality.
3. Click the halftoning method:
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Chapter 3
Auto Fine (Auto in Windows NT/2000)
Click to automatically change dithering and diffusion based on
the characteristics of the image.
Auto Fast (Windows 95/98/Me)
When Quality is set to 5, Auto Fine changes to Auto Fast. Click to
automatically change dithering and diffusion based on the
characteristics of the image.
Dither and Dither Fast (Windows 95/98/Me)
Click to arrange image pixels in a fixed pattern to create
halftones. This setting is suitable for business charts and graphics
with well-defined color boundaries. Dither Fast prints at a higher
speed after performing simple dithering.
Diffusion
Click to arrange image pixels randomly. This setting is suitable
for photographs and graphics that require a finer color gradation.
Printing 23