Spotting Missing Ink Channels
Not all problems show as skips or uneven print areas. In some cases an entire ink or
toner color is missing, resulting in smooth, even Quality Check Prints, but not proper
image colors. Compare your Check Print to the image below to assure all colors are
printing. Keep in mind that not all printers’ inks are the same color. If your red is a bit
orange, or your blue a bit purple, that does not mean there is a problem, unless there
are missing colors somewhere else in the check image. Below is an example of a
correct Quality Check Print, followed by examples of problem prints.
Color Order:
From left to right the diagram contains: Red, Green, Blue, Cyan,
Magenta, Yellow, and Black. Please note that the color called Red is usually a blend of
full Magenta and Full Yellow, and may not be precisely Red in tone, while the color
called Blue is usually comprised of full Cyan and full Magenta, and often appears more
purple than blue. The Black ramp will show whatever black generation method your
printer driver uses, so many of the patches in the gray areas of the black ramp will be
printed using combinations of colors other than the black colorant.
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