Epson EPL-5000 Guide De L'utilisateur page 563

Graphic Resolution
Use this pull-down menu to select the resolution you want to use
for printing graphics. The settings available in this list are: 300 ×
300 dpi (default), 150 × 150 dpi, 75 × 75 dpi.
Halftone
Use this pull-down menu to select the grayscale method when
printing graphics. The following selections can be included in this
list.
Dithering
This method uses the standard Windows dithering patterns, and is
the one you should normally select.
Screening (default)
This method represents color intensity by using variable dot sizes.
It is similar to the rastering method used to produce newspaper
images. You should use this method for scanned images, for
bitmap printing, or when your output will be photocopied.
Intensity Control
Use this slider to control the mix of grays sent to the printer.
The driver automatically matches the screen grays to printer
output for the majority of needs. Move the slider to the left to
lighten the grays, and to the right to darken them.
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Printer Driver Configuration