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3. Printing
308 Printing Guide — Printing from UNIX
Example: The command to set the color mode for the print job is
“lp -o colormode=COLOR filename”
— Pure Black and Pure Gray
The pure black and pure gray mode can be selected using the following options.
Example: The command to set the pure black and pure gray mode for the print job is
“lp -o pureblackgray=1 filename”
— Image Quality Type
The Image Quality Type can be selected using the following options.
Example: The command to set the normal quality type for the print job is
“lp -o iqnormal filename”
— Halftone
The halftone can be selected using the following options.
Example: The command to set the auto halftone for the print job is
“lp -o halftone=AUTO filename”
— Black Over Print
The black over print mode can be selected using the following options.
Option Value Alternate Value Description
pureblackgray=0 Disable the pure black and pure gray mode.
pureblackgray=1 Enable the pure black and pure gray mode.
Option Value Alternate Value Description
iqnormal Set the proper color quality for printing a general color
document.
iqphoto Set the proper color quality for printing photos.
iqpresen Set the proper image quality for printing a vivid docu-
ment.
iqlineart Set the proper image quality for printing a document
contains a lot of characters or line arts.
Option Value Alternate Value Description
halftone=AUTO Set the proper halftone depending on the contents in
the document automatically. When this is selected, the
halftone is printed in detail for the texts, and smoothly
for the graphics.
halftone=DETAIL Set the halftone in detail.
halftone=
SMOOTH
Set the halftone smoothly.
Option Value Alternate Value Description
blackoverprint=0 Disable the black over print mode.
blackoverprint=1 Enable the black over print mode.