Panasonic KX-P8420 Operating Guide
129
Color Calibration
Bias adjustment
The printer’s Bias Adjustment feature provides basic control over the
printer’s color production. The Bias Adjustment screens, accessible via the
front panel, allow you to override the printer’s current toner density and
brightness settings.
printer’s color production. The Bias Adjustment screens, accessible via the
front panel, allow you to override the printer’s current toner density and
brightness settings.
Using the Bias Adjustment and calibration offset controls, you can increase
or decrease the density of cyan, magenta, yellow or black, and increase or
decrease the overall brightness of all toner colors.
or decrease the density of cyan, magenta, yellow or black, and increase or
decrease the overall brightness of all toner colors.
To perform Bias Adjustment:
1. Print a color calibration page to confirm the current Bias Adjustment.
(See below.)
2. Compare the color calibration page with the provided color calibration
card. (See
3. Perform Bias Adjustment. (See
NOTE:
•
Visual Calibration and Color Adjustment settings may affect the settings
of Bias Adjustment.
of Bias Adjustment.
— Reset VisualCal before performing the Bias Adjustment. (See
— Restore the settings in Color Adjustment to the default values
(all 0) before using the Bias Adjustment. (See
To print a color calibration page:
1
Press the Menu/Exit button on the printer panel.
Test Page
is displayed in the LCD panel.
2
Press the Continue/Forward button.
Bias Adjustment
is displayed in the LCD panel.
3
Press the Enter button.
Calibration Offset
is displayed in the LCD panel.
4
Press the Continue/Forward button 5 times.
Calibration
Test Print
is displayed in the LCD panel.
5
Press the Enter button.
A Color Calibration Page will be printed. (See next page.)