Riso SF5 Series - Page 53

Chapter 2 Working with the Printer Driver
51
Chapter 2 Working with the Printer Driver
51
Screenfrequency
You can select the frequency of dots per inch (25.4 mm). You can select the value from 38 to 200. The default value
is 71.
Screenangle
You can select the angle of dot direction so as to make adjustments against moire or other problems. You can select
the value from 0 to 90. The default value is 45.
2
Phototype
Select the type of photo and set image nishing.
Standard
Clicking [Details] enables settings to be made for brightness and contrast.
Clicking [Details] opens the [Photo adjustment] dialog box.
Portrait
Use this setting for pictures of one or two individuals from the bust up. This type of image processing is particularly
good for printing photos of faces.
Group
This setting is for group photos that are over-exposed. This process is effective for restoring facial features that have
become washed out by a ash.
B
When either [Portrait] or [Group] is selected, the “Photo adjustment” settings made for [Standard] are returned to their
defaults.
Photoadjustment
Brightness : The brightness of photo images can be adjusted to 7 levels.
Contrast : The contrast of the overall image can be adjusted to 7 levels.
Backlightcorrection : When a check mark is placed in the check box, back light correction is applied to the image to
make it sharper.
Edgeenhancement : When a check mark is placed in the check box, edge enhancement is applied to the image to
accent con tours.
Tonesmoothing : This setting is available when [Screen-covered] is selected for [Screening type]. When
a check mark is placed in the check box, the tonal expressions used in screen-covered
processing are smooth.