Panasonic KX-P8420 Operating Guide

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Color Calibration
3
When the screen displays Black Low, begin the 
process of specifying Low and High values for each of 
the four toner colors, and a value for the 30% Match.
Follow the instructions provided on the Limits and 30% Match page.
For startpoints and endpoints:
—Locate the leftmost circle you can distinguish from its background. 
For best visibility, view the page at an angle under normal lighting 
conditions. Position the page over several sheets of white paper. 
For 30% match (bottom row):
—Locate the circle that best matches the surrounding gray tone. 
Holding the page at arm’s length, or even further away, makes it 
easier to choose the best match. 
Note that the term 
Low
 displayed on the front panel corresponds to 
the term 
Start
 on the Limits and 30% Match page; for example, to 
enter the Black Low value, check the Black Start row on the Limits 
and 30% Match page.
Use the Cancel/Left button or the Continue/Forward button to 
access lower or higher values (numbers). Accept a value by 
pressing the Enter button.
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
Black
Start:
Black
End:
30%
Match:
Low value : 3
High value : 6
Best match value : 7
Example 
VisualCal Limits and 30% Match page