Kyocera TASKalfa 6501i 3501i/4501i/5501i/6501i/8001i Printer Driver User Guide - Page 74

Halftone Screen, Setting the Halftone Screen

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Imaging 8-6 Halftone Screen Halftone Screen lets an experienced user print different shades of gray as are found in photographs. Shades are produced by printing dots of various sizes and shapes, and by spacing them closer or farther apart. Shading can also be adjusted by the number of rows of data, the angle of the rows, and the shape of the data. Halftone Screen is available when KPDL is selected in the PDL Settings dialog box. It is unavailable when GDI compatible mode is selected in the PDL Settings dialog box. 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. User Guide

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Imaging
Halftone Screen
Halftone Screen
lets an experienced user print different shades of gray as are
found in photographs. Shades are produced by printing dots of various sizes
and shapes, and by spacing them closer or farther apart. Shading can also be
adjusted by the number of rows of data, the angle of the rows, and the shape of
the data.
Halftone Screen
is available when
KPDL
is selected in the
PDL Settings
dialog box. It is unavailable when
GDI compatible mode
is selected in the
PDL
Settings
dialog box.
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.
8-6
User Guide