Canon imageRUNNER 2545i, Printer Manual

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PS Settings 4-29
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Halftones
Text: High Resolution , Gradation, Resolution
Graphics: Gradation , Resolution, High Resolution
Image: Gradation , Resolution, High Resolution
This setting specifies how to express halftones in black and white data.
Print data is expressed in dots. Fine gradations, edges, and shades are expressed by using
dither patterns, which are groups of dots. This is called halftone processing.
For example, using a pattern that sharpens character and line edges, or a pattern that
smoothens image and graph gradation, enables you to obtain the most suitable texture.
[Gradation]: Select to print with both smooth gradation and outlines. Best for
printing graphs and graphics that use gradation.
[Resolution]: Select to print text with distinct outlines. Best for printing text and thin
lines.
[High
Resolution]: Select to print finer than with [Resolution], although toner stability is
somewhat weaker. Best for printing small characters, fine lines, and
outlines (such as from CAD data) sharply.