» 5. Print Settings from the Command Line » Print Quality Functions » Use Pure Black
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Use Pure Black
Only for the LBP7200C Series, LBP5050 Series, LBP5100, LBP5300, and LBP5000
CNKeepGray: Specifies gray compensation.
$ lpr [File Name] -o CNKeepGray=[Parameter]
Parameter
Select and enter one of the following.
Always
Performs gray compensation on all the objects.
Standard
Performs gray compensation on only text and graphics.
Never
Does not perform gray compensation.
Example
To print the file "sample.ps", specifying gray compensation to all the objects:
$ lpr sample.ps -o CNKeepGray=Always