Riso ComColor Series User Manual page 46

1 Printer Driver
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Screening
Specify the method of halftone processing.
Halftone is a processing method that varies the density
and size of ink dots printed on paper to give the
appearance of continuous color gradation when only
using a limited number of inks.
[Error diffusion]
Express gradation through the density of dots. The
higher the density, the darker the gradation. The
lower the density, the lighter the gradation.
[Dot process (70 lpi)], [Dot process (100 lpi)]
Express gradation by changing the size of the dots.
The larger the dots, the darker the gradation. The
smaller the dots, the lighter the gradation. A dot
process of 100 lines per inch provides more detailed
images.
70 lines per inch
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Image quality
Specify the image resolution.
[Standard (300 × 300dpi)]
Suitable for documents and other originals with text.
[Fine (300 × 600dpi)]
Suitable for photos and similar originals.
Printing will take longer if you select [Fine (300 ×
600dpi)].
1-16
100 lines per inch
(Enlarged image)
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Print density
Specify the print density.
Select from the following.
[-2] (light), [-1], [0 (Standard)], [+1], [+2] (dark)
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Save/Call setting
The current settings on the printer driver screen
can be saved and retrieved later as needed. See
"Save/Call setting" (p. 1-11) in "[Basic] Tab" for
details.
ComColor Series User's Guide 01