Panasonic 135FP Operating Instructions Manual page 52

Installation and Configuration (Windows 2000)
Device Settings Tab
Halftone Setup...
Select the method of expressing device halftone (printer-specific halftone). Select the settings
according to printing data and preference.
Halftone Pattern
Select the size of pixels to be used for halftone.
Selecting larger size pixels results in a rough image, which is suitable for printing of wider area.
Enhanced patterns, which allow printing an image of higher resolution using a same number of pixels,
may cause random lines or patterns and moire.
Device Gamma
Adjust the gamma (strength of colors) of printing image.
Pixel Diameter
Adjust the density of a printing image. Specify the size of pixels by moving the slide bar. One of the two
methods, specifying pixel size by inch or by ratio to the printer resolution (in per cent), is selectable.
Luminance (CIE Y)
Adjust the luminance of a printing image.
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