Kyocera TASKalfa 3501i 3501i/4501i/5501i Printer Driver User Guide - Page 75

Setting the Halftone Screen, EcoPrint

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EcoPrint Imaging Setting the Halftone Screen Halftone Screen provides a means to apply shades of gray to black and white printed output. 1 In Imaging > Graphics, click Halftone Screen. 2 Clear the Use printer's default screens check box. 3 Set the available options to the desired values: Ink Lists the halftone screens available. For black and white printers, this option appears unavailable and is permanently set to Black. Frequency Displays the number of rows of dots per inch or centimeter. Set the range from 2.0 to 999.9, and select lines/inch or lines/cm. Angle Sets the angle at which rows are aligned. Set the range from -180 to 180 degrees. Shape Select the shape of the halftone dot: Ellipse Resists optical jump. An optical jump occurs when an area of an image suddenly become darker. An ellipse shape provides a smooth gradation of tones. Select Ellipse for images with dark areas. Round Resists moiré formation and dot gain. Moiré formation is an unintended pattern that occurs when two or more colors are printed at the wrong angles. The correct angles depend on the number of colors being printed. Dot gain is when the halftone dots increase when printed, causing a moiré pattern. Select Round for images with light tints and highlighted areas. Line Used for special effect. Select Line to change the effect by selecting a different angle. 4 Select Increase accuracy of screens for better print quality, possibly increasing print time. 5 Click OK to return to the Print dialog box. 6 Click OK to start printing. EcoPrint changes toner saturation in the print job, making the entire print image, including text and graphics, appear lighter. EcoPrint does not increase print speed. The amount of toner varies based upon your printing system model and the type of data printed (text, graphics, or both). Printer Driver 8-6

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Imaging
Setting the Halftone Screen
Halftone Screen
provides a means to apply shades of gray to black and white
printed output.
1
In
Imaging
>
Graphics
, click
Halftone Screen
.
2
Clear the
Use printer's default screens
check box.
3
Set the available options to the desired values:
Ink
Lists the halftone screens available. For black and white printers, this option
appears unavailable and is permanently set to
Black
.
Frequency
Displays the number of rows of dots per inch or centimeter. Set the range
from 2.0 to 999.9, and select lines/inch or lines/cm.
Angle
Sets the angle at which rows are aligned. Set the range from -180 to 180
degrees.
Shape
Select the shape of the halftone dot:
Ellipse
Resists optical jump. An optical jump occurs when an area of an image
suddenly become darker. An ellipse shape provides a smooth gradation of
tones. Select
Ellipse
for images with dark areas.
Round
Resists moiré formation and dot gain. Moiré formation is an unintended
pattern that occurs when two or more colors are printed at the wrong angles.
The correct angles depend on the number of colors being printed. Dot gain is
when the halftone dots increase when printed, causing a moiré pattern.
Select
Round
for images with light tints and highlighted areas.
Line
Used for special effect. Select
Line
to change the effect by selecting a
different angle.
4
Select
Increase accuracy of screens
for better print quality, possibly
increasing print time.
5
Click
OK
to return to the
Print
dialog box.
6
Click
OK
to start printing.
EcoPrint
EcoPrint
changes toner saturation in the print job, making the entire print
image, including text and graphics, appear lighter.
EcoPrint
does not increase
print speed. The amount of toner varies based upon your printing system model
and the type of data printed (text, graphics, or both).
Printer Driver
8-6