Brother HL-2170W - Manual (Page 142)

CHAPTER 3 PCL5C - 9
♣ Black reference for value #1, #2, #3
♣ This mode specifies the black value (the highest level of density).
♣ Each value indicates a color as follows;
#1: red
#2: green
#3: blue
Range: -32767 ~ 32767
 When the encoding mode is 2 or 3, this setting is valid.
2.3.
Using HP-GL/2 Color Mode
Two methods are provided to set the color mode in the HP-GL/2 mode. Set the color mode by the PCL
command, then transfer to the HP-GL/2 mode. Execute the NP command.
For the details on how to use the color selections in the HP-GL/2 mode, refer to Section 6 'HP-GL/2'.