Xerox 6030 User Manual page 129

When the threshold level is set to
[On]
Set the threshold value (0 to 127)
for recognizing white or black with
the use of the [ ] and [ ] buttons.
Press the [ 10] and [10 ]
buttons to increase or decrease
the values in increments of 10
mm.
3
Press the [Done] button.
The [Threshold Level] parameters
will be set up, and the screen will
return to the copier's menu screen.
Threshold
Cancel
Level
White Range
Off
On
(127 0 127)
10
Done
Black Range
1
10