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3-17 Calibrating from the Control Panel using VisualCal
Limits and 30% Match
The first VisualCal page, “Limits and 30% Match,” provides the basis for
calculating the most acceptable luminosity (brightness) of the toners. This
page consists of rows of CMYK dots in a graduated range of toner densities.
The variables needed to recalculate the density of the colored toners are
determined by identifying the leftmost dots that can be fully distinguished
against their fields in each row, and sequentially entering their corresponding
numeric values on the control panel. The variable needed to recalculate the
luminosity of the toners is determined in a slightly different way—you
identify the black dot which best matches a 30% dot gain field. When all
values have been entered, the printer’s toner density and luminosity settings
are recalculated.
Gray Balance
The second VisualCal page, “Gray Balance,” provides the basis for calculating
a “neutral gray balance,” that is, a CMY gray that as closely as possible
matches a pure K (BlacK) gray produced by the printer’s engine. This page
consists of rows of CMY gray patches on a field of gray produced solely from
black.The variables needed to calculate the printer’s most neutral gray balance
are determined by identifying the CMY patch that best matches this field,
and entering its row and column location on the control panel. When the
values have been entered, the printer’s gray balance is recalculated.
TO PERFORM VISUALCAL CALIBRATION:
1. At the Idle screen, press the Functions button to enter the Functions menu.
2. Choose Calibration, and choose Set Up Calibration.
If a password is set on the iR C2100/2100S, enter it and press OK.
3. For Calibration Mode, select Standard or Expert.
Expert Mode adds the option to print a Comparison Page (see page 3-13).
4. For Measurement Method, chose VisualCal.
5. Back at the main calibration screen, select Calibrate.
6. From the Calibration Set pull-down menu, choose 600dpi, 1200dpi, or
1200dpi (Fine).