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original factory specifications. Automatic density adjustments are per-
formed periodically by the printer.
Instrument-based calibration provides more precise control over toner
density than the built-in automatic density control feature.
Owners of the QMS
magicolor 330 can also purchase optional host-
based software, Southwest Software’s ColorEncore for
magicolor
printers, that requires the use of a densitometer (not included) to per-
form calibration.
Once installed, users simply print a target page from the software
application and measure the page with the densitometer. The mea-
surement results are used by the software application to return the
QMS
magicolor 330’s primary toner densities to factory levels.
Colorific is monitor calibration software that ships with the
magicolor
330. This software, which is available for both Windows and Macin-
tosh operating systems, allows you to calibrate your monitor to a
standard monitor profile that is supported by the CMM built into the
magicolor 330. For best monitor to printer color matching, Colorific
software must be used to calibrate the monitor. Once the monitor is
calibrated, the printer’s built-in ICC color matching, when set to sRGB
source data, ensures that printed output matches the monitor. For
more information concerning the use of the Colorific software, refer to
the instructions that were provided on the
QMS Utilities CD-ROM.
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Line screening and halftones are factors that highly influence color
image rendering. In conventional printing, color images are com-
posed of tightly arranged dots (or halftones) that are spaced in a
regular pattern and appear solid to the eye. Tonal changes are made
by changing the size, or amplitude, of each dot. This technique is
known as Amplitude Modulation, or AM screening.
QMS Q
COLOR
provides a preset AM halftone setting, referred to as
QMS ColorDepth. ColorDepth is designed to eliminate rosette and
moiré patterns, (or steps) in color gradations by increasing the total
