HP 2425 - Manual (Page 79)

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See chapter 5, “Additional Technical Information,” in the Reference,
for more detailed information on halftones and how to change their
characteristics via the printer configuration menu.
» Note: The standard settings listed in this table are optimized for
performance, and the advanced settings are optimized for quality.
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Print density is the amount of toner placed on each dot, making the
print appear lighter or darker. The higher the density, the darker the
print looks and the higher the contrast is on the page. Toner density
can be used to change contrast on scanned images, or to customize
smoothing.
» Note: If the print density is too light, make sure that the
Administration/Engine/Print Quality/Normal option is turned on before
making any adjustments. The Conserve Toner option saves toner by
simulating draft-quality printing. (See chapter 4, “Printer
Configuration,” of the Reference for more information.)
Adjust the print density using the Administration/Engine/Toner Den-
sity setting.
Halftone
Type
300 DPI 600 DPI 1200 DPI
LPI Angle Level LPI Angle Level LPI Angle Level
Basic 53.03 45.0 33 70.71 45.0 73 84.85 45.0 200
Standard 53.03 45.0 129 106.06 45.0 129 106.06 45.0 256
Advanced 67.08 26.56 81 102.89 59.04 137 126.49 18.43 256
Menu Administration/Engine/Toner Density
Choices 00—15
00—The lightest available setting
15—The darkest available setting
Default 07